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authorGrant Likely <grant.likely@secretlab.ca>2010-01-28 16:38:25 -0500
committerGrant Likely <grant.likely@secretlab.ca>2010-01-28 16:38:25 -0500
commit0ada0a73120c28cc432bcdbac061781465c2f48f (patch)
treed17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/sparc/kernel
parent6016a363f6b56b46b24655bcfc0499b715851cf3 (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/apc.c37
-rw-r--r--arch/sparc/kernel/auxio_32.c1
-rw-r--r--arch/sparc/kernel/btext.c673
-rw-r--r--arch/sparc/kernel/cpu.c11
-rw-r--r--arch/sparc/kernel/entry.S35
-rw-r--r--arch/sparc/kernel/ftrace.c11
-rw-r--r--arch/sparc/kernel/head_32.S22
-rw-r--r--arch/sparc/kernel/iommu.c3
-rw-r--r--arch/sparc/kernel/ioport.c5
-rw-r--r--arch/sparc/kernel/irq_64.c16
-rw-r--r--arch/sparc/kernel/kprobes.c3
-rw-r--r--arch/sparc/kernel/ldc.c20
-rw-r--r--arch/sparc/kernel/leon_kernel.c84
-rw-r--r--arch/sparc/kernel/leon_smp.c468
-rw-r--r--arch/sparc/kernel/mdesc.c21
-rw-r--r--arch/sparc/kernel/nmi.c11
-rw-r--r--arch/sparc/kernel/of_device_64.c14
-rw-r--r--arch/sparc/kernel/pci.c8
-rw-r--r--arch/sparc/kernel/pci_msi.c2
-rw-r--r--arch/sparc/kernel/perf_event.c11
-rw-r--r--arch/sparc/kernel/ptrace_64.c10
-rw-r--r--arch/sparc/kernel/setup_64.c6
-rw-r--r--arch/sparc/kernel/smp_32.c10
-rw-r--r--arch/sparc/kernel/sparc_ksyms_64.c12
-rw-r--r--arch/sparc/kernel/sys_sparc32.c84
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c64
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c50
-rw-r--r--arch/sparc/kernel/syscalls.S14
-rw-r--r--arch/sparc/kernel/systbls.h1
-rw-r--r--arch/sparc/kernel/systbls_32.S6
-rw-r--r--arch/sparc/kernel/systbls_64.S10
-rw-r--r--arch/sparc/kernel/time_32.c3
-rw-r--r--arch/sparc/kernel/time_64.c26
-rw-r--r--arch/sparc/kernel/trampoline_32.S69
-rw-r--r--arch/sparc/kernel/unaligned_32.c15
-rw-r--r--arch/sparc/kernel/unaligned_64.c23
-rw-r--r--arch/sparc/kernel/visemul.c3
38 files changed, 1528 insertions, 337 deletions
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 5b47fab9966e..c6316142db4e 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -72,7 +72,7 @@ obj-y += dma.o
72obj-$(CONFIG_SPARC32_PCI) += pcic.o 72obj-$(CONFIG_SPARC32_PCI) += pcic.o
73 73
74obj-$(CONFIG_SMP) += trampoline_$(BITS).o smp_$(BITS).o 74obj-$(CONFIG_SMP) += trampoline_$(BITS).o smp_$(BITS).o
75obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o 75obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o leon_smp.o
76obj-$(CONFIG_SPARC64_SMP) += hvtramp.o 76obj-$(CONFIG_SPARC64_SMP) += hvtramp.o
77 77
78obj-y += auxio_$(BITS).o 78obj-y += auxio_$(BITS).o
@@ -87,6 +87,7 @@ obj-$(CONFIG_KGDB) += kgdb_$(BITS).o
87obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o 87obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
88CFLAGS_REMOVE_ftrace.o := -pg 88CFLAGS_REMOVE_ftrace.o := -pg
89 89
90obj-$(CONFIG_EARLYFB) += btext.o
90obj-$(CONFIG_STACKTRACE) += stacktrace.o 91obj-$(CONFIG_STACKTRACE) += stacktrace.o
91# sparc64 PCI 92# sparc64 PCI
92obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o 93obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index 9c115823c4b5..71ec90b9e316 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -10,7 +10,6 @@
10#include <linux/errno.h> 10#include <linux/errno.h>
11#include <linux/init.h> 11#include <linux/init.h>
12#include <linux/miscdevice.h> 12#include <linux/miscdevice.h>
13#include <linux/smp_lock.h>
14#include <linux/pm.h> 13#include <linux/pm.h>
15#include <linux/of.h> 14#include <linux/of.h>
16#include <linux/of_device.h> 15#include <linux/of_device.h>
@@ -76,7 +75,6 @@ static inline void apc_free(struct of_device *op)
76 75
77static int apc_open(struct inode *inode, struct file *f) 76static int apc_open(struct inode *inode, struct file *f)
78{ 77{
79 cycle_kernel_lock();
80 return 0; 78 return 0;
81} 79}
82 80
@@ -87,61 +85,46 @@ static int apc_release(struct inode *inode, struct file *f)
87 85
88static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg) 86static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg)
89{ 87{
90 __u8 inarg, __user *arg; 88 __u8 inarg, __user *arg = (__u8 __user *) __arg;
91
92 arg = (__u8 __user *) __arg;
93
94 lock_kernel();
95 89
96 switch (cmd) { 90 switch (cmd) {
97 case APCIOCGFANCTL: 91 case APCIOCGFANCTL:
98 if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) { 92 if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg))
99 unlock_kernel();
100 return -EFAULT; 93 return -EFAULT;
101 }
102 break; 94 break;
103 95
104 case APCIOCGCPWR: 96 case APCIOCGCPWR:
105 if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) { 97 if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg))
106 unlock_kernel();
107 return -EFAULT; 98 return -EFAULT;
108 }
109 break; 99 break;
110 100
111 case APCIOCGBPORT: 101 case APCIOCGBPORT:
112 if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) { 102 if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg))
113 unlock_kernel();
114 return -EFAULT; 103 return -EFAULT;
115 }
116 break; 104 break;
117 105
118 case APCIOCSFANCTL: 106 case APCIOCSFANCTL:
119 if (get_user(inarg, arg)) { 107 if (get_user(inarg, arg))
120 unlock_kernel();
121 return -EFAULT; 108 return -EFAULT;
122 }
123 apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG); 109 apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG);
124 break; 110 break;
111
125 case APCIOCSCPWR: 112 case APCIOCSCPWR:
126 if (get_user(inarg, arg)) { 113 if (get_user(inarg, arg))
127 unlock_kernel();
128 return -EFAULT; 114 return -EFAULT;
129 }
130 apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG); 115 apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG);
131 break; 116 break;
117
132 case APCIOCSBPORT: 118 case APCIOCSBPORT:
133 if (get_user(inarg, arg)) { 119 if (get_user(inarg, arg))
134 unlock_kernel();
135 return -EFAULT; 120 return -EFAULT;
136 }
137 apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG); 121 apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG);
138 break; 122 break;
123
139 default: 124 default:
140 unlock_kernel();
141 return -EINVAL; 125 return -EINVAL;
142 }; 126 };
143 127
144 unlock_kernel();
145 return 0; 128 return 0;
146} 129}
147 130
diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index 45c41232fc4c..ee8d214cae1e 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -28,6 +28,7 @@ void __init auxio_probe(void)
28 struct resource r; 28 struct resource r;
29 29
30 switch (sparc_cpu_model) { 30 switch (sparc_cpu_model) {
31 case sparc_leon:
31 case sun4d: 32 case sun4d:
32 case sun4: 33 case sun4:
33 return; 34 return;
diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c
new file mode 100644
index 000000000000..8cc2d56ffe9a
--- /dev/null
+++ b/arch/sparc/kernel/btext.c
@@ -0,0 +1,673 @@
1/*
2 * Procedures for drawing on the screen early on in the boot process.
3 *
4 * Benjamin Herrenschmidt <benh@kernel.crashing.org>
5 */
6#include <linux/kernel.h>
7#include <linux/string.h>
8#include <linux/init.h>
9#include <linux/module.h>
10#include <linux/console.h>
11
12#include <asm/btext.h>
13#include <asm/oplib.h>
14#include <asm/io.h>
15
16#define NO_SCROLL
17
18#ifndef NO_SCROLL
19static void scrollscreen(void);
20#endif
21
22static void draw_byte(unsigned char c, long locX, long locY);
23static void draw_byte_32(unsigned char *bits, unsigned int *base, int rb);
24static void draw_byte_16(unsigned char *bits, unsigned int *base, int rb);
25static void draw_byte_8(unsigned char *bits, unsigned int *base, int rb);
26
27#define __force_data __attribute__((__section__(".data")))
28
29static int g_loc_X __force_data;
30static int g_loc_Y __force_data;
31static int g_max_loc_X __force_data;
32static int g_max_loc_Y __force_data;
33
34static int dispDeviceRowBytes __force_data;
35static int dispDeviceDepth __force_data;
36static int dispDeviceRect[4] __force_data;
37static unsigned char *dispDeviceBase __force_data;
38
39#define cmapsz (16*256)
40
41static unsigned char vga_font[cmapsz];
42
43static int __init btext_initialize(unsigned int node)
44{
45 unsigned int width, height, depth, pitch;
46 unsigned long address = 0;
47 u32 prop;
48
49 if (prom_getproperty(node, "width", (char *)&width, 4) < 0)
50 return -EINVAL;
51 if (prom_getproperty(node, "height", (char *)&height, 4) < 0)
52 return -EINVAL;
53 if (prom_getproperty(node, "depth", (char *)&depth, 4) < 0)
54 return -EINVAL;
55 pitch = width * ((depth + 7) / 8);
56
57 if (prom_getproperty(node, "linebytes", (char *)&prop, 4) >= 0 &&
58 prop != 0xffffffffu)
59 pitch = prop;
60
61 if (pitch == 1)
62 pitch = 0x1000;
63
64 if (prom_getproperty(node, "address", (char *)&prop, 4) >= 0)
65 address = prop;
66
67 /* FIXME: Add support for PCI reg properties. Right now, only
68 * reliable on macs
69 */
70 if (address == 0)
71 return -EINVAL;
72
73 g_loc_X = 0;
74 g_loc_Y = 0;
75 g_max_loc_X = width / 8;
76 g_max_loc_Y = height / 16;
77 dispDeviceBase = (unsigned char *)address;
78 dispDeviceRowBytes = pitch;
79 dispDeviceDepth = depth == 15 ? 16 : depth;
80 dispDeviceRect[0] = dispDeviceRect[1] = 0;
81 dispDeviceRect[2] = width;
82 dispDeviceRect[3] = height;
83
84 return 0;
85}
86
87/* Calc the base address of a given point (x,y) */
88static unsigned char * calc_base(int x, int y)
89{
90 unsigned char *base = dispDeviceBase;
91
92 base += (x + dispDeviceRect[0]) * (dispDeviceDepth >> 3);
93 base += (y + dispDeviceRect[1]) * dispDeviceRowBytes;
94 return base;
95}
96
97static void btext_clearscreen(void)
98{
99 unsigned int *base = (unsigned int *)calc_base(0, 0);
100 unsigned long width = ((dispDeviceRect[2] - dispDeviceRect[0]) *
101 (dispDeviceDepth >> 3)) >> 2;
102 int i,j;
103
104 for (i=0; i<(dispDeviceRect[3] - dispDeviceRect[1]); i++)
105 {
106 unsigned int *ptr = base;
107 for(j=width; j; --j)
108 *(ptr++) = 0;
109 base += (dispDeviceRowBytes >> 2);
110 }
111}
112
113#ifndef NO_SCROLL
114static void scrollscreen(void)
115{
116 unsigned int *src = (unsigned int *)calc_base(0,16);
117 unsigned int *dst = (unsigned int *)calc_base(0,0);
118 unsigned long width = ((dispDeviceRect[2] - dispDeviceRect[0]) *
119 (dispDeviceDepth >> 3)) >> 2;
120 int i,j;
121
122 for (i=0; i<(dispDeviceRect[3] - dispDeviceRect[1] - 16); i++)
123 {
124 unsigned int *src_ptr = src;
125 unsigned int *dst_ptr = dst;
126 for(j=width; j; --j)
127 *(dst_ptr++) = *(src_ptr++);
128 src += (dispDeviceRowBytes >> 2);
129 dst += (dispDeviceRowBytes >> 2);
130 }
131 for (i=0; i<16; i++)
132 {
133 unsigned int *dst_ptr = dst;
134 for(j=width; j; --j)
135 *(dst_ptr++) = 0;
136 dst += (dispDeviceRowBytes >> 2);
137 }
138}
139#endif /* ndef NO_SCROLL */
140
141void btext_drawchar(char c)
142{
143 int cline = 0;
144#ifdef NO_SCROLL
145 int x;
146#endif
147 switch (c) {
148 case '\b':
149 if (g_loc_X > 0)
150 --g_loc_X;
151 break;
152 case '\t':
153 g_loc_X = (g_loc_X & -8) + 8;
154 break;
155 case '\r':
156 g_loc_X = 0;
157 break;
158 case '\n':
159 g_loc_X = 0;
160 g_loc_Y++;
161 cline = 1;
162 break;
163 default:
164 draw_byte(c, g_loc_X++, g_loc_Y);
165 }
166 if (g_loc_X >= g_max_loc_X) {
167 g_loc_X = 0;
168 g_loc_Y++;
169 cline = 1;
170 }
171#ifndef NO_SCROLL
172 while (g_loc_Y >= g_max_loc_Y) {
173 scrollscreen();
174 g_loc_Y--;
175 }
176#else
177 /* wrap around from bottom to top of screen so we don't
178 waste time scrolling each line. -- paulus. */
179 if (g_loc_Y >= g_max_loc_Y)
180 g_loc_Y = 0;
181 if (cline) {
182 for (x = 0; x < g_max_loc_X; ++x)
183 draw_byte(' ', x, g_loc_Y);
184 }
185#endif
186}
187
188static void btext_drawtext(const char *c, unsigned int len)
189{
190 while (len--)
191 btext_drawchar(*c++);
192}
193
194static void draw_byte(unsigned char c, long locX, long locY)
195{
196 unsigned char *base = calc_base(locX << 3, locY << 4);
197 unsigned char *font = &vga_font[((unsigned int)c) * 16];
198 int rb = dispDeviceRowBytes;
199
200 switch(dispDeviceDepth) {
201 case 24:
202 case 32:
203 draw_byte_32(font, (unsigned int *)base, rb);
204 break;
205 case 15:
206 case 16:
207 draw_byte_16(font, (unsigned int *)base, rb);
208 break;
209 case 8:
210 draw_byte_8(font, (unsigned int *)base, rb);
211 break;
212 }
213}
214
215static unsigned int expand_bits_8[16] = {
216 0x00000000,
217 0x000000ff,
218 0x0000ff00,
219 0x0000ffff,
220 0x00ff0000,
221 0x00ff00ff,
222 0x00ffff00,
223 0x00ffffff,
224 0xff000000,
225 0xff0000ff,
226 0xff00ff00,
227 0xff00ffff,
228 0xffff0000,
229 0xffff00ff,
230 0xffffff00,
231 0xffffffff
232};
233
234static unsigned int expand_bits_16[4] = {
235 0x00000000,
236 0x0000ffff,
237 0xffff0000,
238 0xffffffff
239};
240
241
242static void draw_byte_32(unsigned char *font, unsigned int *base, int rb)
243{
244 int l, bits;
245 int fg = 0xFFFFFFFFUL;
246 int bg = 0x00000000UL;
247
248 for (l = 0; l < 16; ++l)
249 {
250 bits = *font++;
251 base[0] = (-(bits >> 7) & fg) ^ bg;
252 base[1] = (-((bits >> 6) & 1) & fg) ^ bg;
253 base[2] = (-((bits >> 5) & 1) & fg) ^ bg;
254 base[3] = (-((bits >> 4) & 1) & fg) ^ bg;
255 base[4] = (-((bits >> 3) & 1) & fg) ^ bg;
256 base[5] = (-((bits >> 2) & 1) & fg) ^ bg;
257 base[6] = (-((bits >> 1) & 1) & fg) ^ bg;
258 base[7] = (-(bits & 1) & fg) ^ bg;
259 base = (unsigned int *) ((char *)base + rb);
260 }
261}
262
263static void draw_byte_16(unsigned char *font, unsigned int *base, int rb)
264{
265 int l, bits;
266 int fg = 0xFFFFFFFFUL;
267 int bg = 0x00000000UL;
268 unsigned int *eb = (int *)expand_bits_16;
269
270 for (l = 0; l < 16; ++l)
271 {
272 bits = *font++;
273 base[0] = (eb[bits >> 6] & fg) ^ bg;
274 base[1] = (eb[(bits >> 4) & 3] & fg) ^ bg;
275 base[2] = (eb[(bits >> 2) & 3] & fg) ^ bg;
276 base[3] = (eb[bits & 3] & fg) ^ bg;
277 base = (unsigned int *) ((char *)base + rb);
278 }
279}
280
281static void draw_byte_8(unsigned char *font, unsigned int *base, int rb)
282{
283 int l, bits;
284 int fg = 0x0F0F0F0FUL;
285 int bg = 0x00000000UL;
286 unsigned int *eb = (int *)expand_bits_8;
287
288 for (l = 0; l < 16; ++l)
289 {
290 bits = *font++;
291 base[0] = (eb[bits >> 4] & fg) ^ bg;
292 base[1] = (eb[bits & 0xf] & fg) ^ bg;
293 base = (unsigned int *) ((char *)base + rb);
294 }
295}
296
297static void btext_console_write(struct console *con, const char *s,
298 unsigned int n)
299{
300 btext_drawtext(s, n);
301}
302
303static struct console btext_console = {
304 .name = "btext",
305 .write = btext_console_write,
306 .flags = CON_PRINTBUFFER | CON_ENABLED | CON_BOOT | CON_ANYTIME,
307 .index = 0,
308};
309
310int __init btext_find_display(void)
311{
312 unsigned int node;
313 char type[32];
314 int ret;
315
316 node = prom_inst2pkg(prom_stdout);
317 if (prom_getproperty(node, "device_type", type, 32) < 0)
318 return -ENODEV;
319 if (strcmp(type, "display"))
320 return -ENODEV;
321
322 ret = btext_initialize(node);
323 if (!ret) {
324 btext_clearscreen();
325 register_console(&btext_console);
326 }
327 return ret;
328}
329
330static unsigned char vga_font[cmapsz] = {
3310x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
3320x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0x81, 0xbd,
3330x99, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xff,
3340xdb, 0xff, 0xff, 0xc3, 0xe7, 0xff, 0xff, 0x7e, 0x00, 0x00, 0x00, 0x00,
3350x00, 0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10,
3360x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x7c, 0xfe,
3370x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
3380x3c, 0x3c, 0xe7, 0xe7, 0xe7, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
3390x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x7e, 0x18, 0x18, 0x3c,
3400x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c,
3410x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
3420xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
3430x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00,
3440x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
3450xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x1e, 0x0e,
3460x1a, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
3470x00, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x18,
3480x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x30,
3490x30, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0x63,
3500x7f, 0x63, 0x63, 0x63, 0x63, 0x67, 0xe7, 0xe6, 0xc0, 0x00, 0x00, 0x00,
3510x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18,
3520x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfe, 0xf8,
3530xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x06, 0x0e,
3540x1e, 0x3e, 0xfe, 0x3e, 0x1e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
3550x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00,
3560x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
3570x66, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xdb,
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6660x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x6c, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00,
6670x00, 0xd8, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00,
6680x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xd8, 0x30, 0x60, 0xc8, 0xf8, 0x00,
6690x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
6700x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
6710x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
6720x00, 0x00, 0x00, 0x00,
673};
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 1446df90ef85..e447938d39cf 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -185,6 +185,17 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
185 FPU(-1, NULL) 185 FPU(-1, NULL)
186 } 186 }
187},{ 187},{
188 0xF, /* Aeroflex Gaisler */
189 .cpu_info = {
190 CPU(3, "LEON"),
191 CPU(-1, NULL)
192 },
193 .fpu_info = {
194 FPU(2, "GRFPU"),
195 FPU(3, "GRFPU-Lite"),
196 FPU(-1, NULL)
197 }
198},{
188 0x17, 199 0x17,
189 .cpu_info = { 200 .cpu_info = {
190 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"), 201 CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index f41ecc5ac0b4..1504df8ddf70 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -400,6 +400,39 @@ linux_trap_ipi15_sun4d:
400 /* FIXME */ 400 /* FIXME */
4011: b,a 1b 4011: b,a 1b
402 402
403#ifdef CONFIG_SPARC_LEON
404
405 .globl smpleon_ticker
406 /* SMP per-cpu ticker interrupts are handled specially. */
407smpleon_ticker:
408 SAVE_ALL
409 or %l0, PSR_PIL, %g2
410 wr %g2, 0x0, %psr
411 WRITE_PAUSE
412 wr %g2, PSR_ET, %psr
413 WRITE_PAUSE
414 call leon_percpu_timer_interrupt
415 add %sp, STACKFRAME_SZ, %o0
416 wr %l0, PSR_ET, %psr
417 WRITE_PAUSE
418 RESTORE_ALL
419
420 .align 4
421 .globl linux_trap_ipi15_leon
422linux_trap_ipi15_leon:
423 SAVE_ALL
424 or %l0, PSR_PIL, %l4
425 wr %l4, 0x0, %psr
426 WRITE_PAUSE
427 wr %l4, PSR_ET, %psr
428 WRITE_PAUSE
429 call leon_cross_call_irq
430 nop
431 b ret_trap_lockless_ipi
432 clr %l6
433
434#endif /* CONFIG_SPARC_LEON */
435
403#endif /* CONFIG_SMP */ 436#endif /* CONFIG_SMP */
404 437
405 /* This routine handles illegal instructions and privileged 438 /* This routine handles illegal instructions and privileged
@@ -1261,7 +1294,7 @@ linux_sparc_syscall:
1261 sethi %hi(PSR_SYSCALL), %l4 1294 sethi %hi(PSR_SYSCALL), %l4
1262 or %l0, %l4, %l0 1295 or %l0, %l4, %l0
1263 /* Direct access to user regs, must faster. */ 1296 /* Direct access to user regs, must faster. */
1264 cmp %g1, NR_SYSCALLS 1297 cmp %g1, NR_syscalls
1265 bgeu linux_sparc_ni_syscall 1298 bgeu linux_sparc_ni_syscall
1266 sll %g1, 2, %l4 1299 sll %g1, 2, %l4
1267 ld [%l7 + %l4], %l7 1300 ld [%l7 + %l4], %l7
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index d3b1a3076569..29973daa9930 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -4,6 +4,7 @@
4#include <linux/percpu.h> 4#include <linux/percpu.h>
5#include <linux/init.h> 5#include <linux/init.h>
6#include <linux/list.h> 6#include <linux/list.h>
7#include <trace/syscall.h>
7 8
8#include <asm/ftrace.h> 9#include <asm/ftrace.h>
9 10
@@ -91,3 +92,13 @@ int __init ftrace_dyn_arch_init(void *data)
91} 92}
92#endif 93#endif
93 94
95#ifdef CONFIG_FTRACE_SYSCALLS
96
97extern unsigned int sys_call_table[];
98
99unsigned long __init arch_syscall_addr(int nr)
100{
101 return (unsigned long)sys_call_table[nr];
102}
103
104#endif
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index 439d82a95ac9..21bb2590d4ae 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -811,9 +811,31 @@ found_version:
811got_prop: 811got_prop:
812#ifdef CONFIG_SPARC_LEON 812#ifdef CONFIG_SPARC_LEON
813 /* no cpu-type check is needed, it is a SPARC-LEON */ 813 /* no cpu-type check is needed, it is a SPARC-LEON */
814#ifdef CONFIG_SMP
815 ba leon_smp_init
816 nop
817
818 .global leon_smp_init
819leon_smp_init:
820 sethi %hi(boot_cpu_id), %g1 ! master always 0
821 stb %g0, [%g1 + %lo(boot_cpu_id)]
822 sethi %hi(boot_cpu_id4), %g1 ! master always 0
823 stb %g0, [%g1 + %lo(boot_cpu_id4)]
824
825 rd %asr17,%g1
826 srl %g1,28,%g1
827
828 cmp %g0,%g1
829 beq sun4c_continue_boot !continue with master
830 nop
831
832 ba leon_smp_cpu_startup
833 nop
834#else
814 ba sun4c_continue_boot 835 ba sun4c_continue_boot
815 nop 836 nop
816#endif 837#endif
838#endif
817 set cputypval, %o2 839 set cputypval, %o2
818 ldub [%o2 + 0x4], %l1 840 ldub [%o2 + 0x4], %l1
819 841
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 7690cc219ecc..5fad94950e76 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -11,6 +11,7 @@
11#include <linux/dma-mapping.h> 11#include <linux/dma-mapping.h>
12#include <linux/errno.h> 12#include <linux/errno.h>
13#include <linux/iommu-helper.h> 13#include <linux/iommu-helper.h>
14#include <linux/bitmap.h>
14 15
15#ifdef CONFIG_PCI 16#ifdef CONFIG_PCI
16#include <linux/pci.h> 17#include <linux/pci.h>
@@ -169,7 +170,7 @@ void iommu_range_free(struct iommu *iommu, dma_addr_t dma_addr, unsigned long np
169 170
170 entry = (dma_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT; 171 entry = (dma_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT;
171 172
172 iommu_area_free(arena->map, entry, npages); 173 bitmap_clear(arena->map, entry, npages);
173} 174}
174 175
175int iommu_table_init(struct iommu *iommu, int tsbsize, 176int iommu_table_init(struct iommu *iommu, int tsbsize,
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 9f61fd8cbb7b..3c8c44f6a41c 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -48,8 +48,13 @@
48#include <asm/dma.h> 48#include <asm/dma.h>
49#include <asm/iommu.h> 49#include <asm/iommu.h>
50#include <asm/io-unit.h> 50#include <asm/io-unit.h>
51#include <asm/leon.h>
51 52
53#ifdef CONFIG_SPARC_LEON
54#define mmu_inval_dma_area(p, l) leon_flush_dcache_all()
55#else
52#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */ 56#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
57#endif
53 58
54static struct resource *_sparc_find_resource(struct resource *r, 59static struct resource *_sparc_find_resource(struct resource *r,
55 unsigned long); 60 unsigned long);
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 8ab1d4728a4b..8d6882bb480a 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -176,7 +176,7 @@ int show_interrupts(struct seq_file *p, void *v)
176 } 176 }
177 177
178 if (i < NR_IRQS) { 178 if (i < NR_IRQS) {
179 spin_lock_irqsave(&irq_desc[i].lock, flags); 179 raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
180 action = irq_desc[i].action; 180 action = irq_desc[i].action;
181 if (!action) 181 if (!action)
182 goto skip; 182 goto skip;
@@ -187,7 +187,7 @@ int show_interrupts(struct seq_file *p, void *v)
187 for_each_online_cpu(j) 187 for_each_online_cpu(j)
188 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); 188 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
189#endif 189#endif
190 seq_printf(p, " %9s", irq_desc[i].chip->typename); 190 seq_printf(p, " %9s", irq_desc[i].chip->name);
191 seq_printf(p, " %s", action->name); 191 seq_printf(p, " %s", action->name);
192 192
193 for (action=action->next; action; action = action->next) 193 for (action=action->next; action; action = action->next)
@@ -195,7 +195,7 @@ int show_interrupts(struct seq_file *p, void *v)
195 195
196 seq_putc(p, '\n'); 196 seq_putc(p, '\n');
197skip: 197skip:
198 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 198 raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
199 } else if (i == NR_IRQS) { 199 } else if (i == NR_IRQS) {
200 seq_printf(p, "NMI: "); 200 seq_printf(p, "NMI: ");
201 for_each_online_cpu(j) 201 for_each_online_cpu(j)
@@ -484,7 +484,7 @@ static void sun4v_virq_eoi(unsigned int virt_irq)
484} 484}
485 485
486static struct irq_chip sun4u_irq = { 486static struct irq_chip sun4u_irq = {
487 .typename = "sun4u", 487 .name = "sun4u",
488 .enable = sun4u_irq_enable, 488 .enable = sun4u_irq_enable,
489 .disable = sun4u_irq_disable, 489 .disable = sun4u_irq_disable,
490 .eoi = sun4u_irq_eoi, 490 .eoi = sun4u_irq_eoi,
@@ -492,7 +492,7 @@ static struct irq_chip sun4u_irq = {
492}; 492};
493 493
494static struct irq_chip sun4v_irq = { 494static struct irq_chip sun4v_irq = {
495 .typename = "sun4v", 495 .name = "sun4v",
496 .enable = sun4v_irq_enable, 496 .enable = sun4v_irq_enable,
497 .disable = sun4v_irq_disable, 497 .disable = sun4v_irq_disable,
498 .eoi = sun4v_irq_eoi, 498 .eoi = sun4v_irq_eoi,
@@ -500,7 +500,7 @@ static struct irq_chip sun4v_irq = {
500}; 500};
501 501
502static struct irq_chip sun4v_virq = { 502static struct irq_chip sun4v_virq = {
503 .typename = "vsun4v", 503 .name = "vsun4v",
504 .enable = sun4v_virq_enable, 504 .enable = sun4v_virq_enable,
505 .disable = sun4v_virq_disable, 505 .disable = sun4v_virq_disable,
506 .eoi = sun4v_virq_eoi, 506 .eoi = sun4v_virq_eoi,
@@ -785,14 +785,14 @@ void fixup_irqs(void)
785 for (irq = 0; irq < NR_IRQS; irq++) { 785 for (irq = 0; irq < NR_IRQS; irq++) {
786 unsigned long flags; 786 unsigned long flags;
787 787
788 spin_lock_irqsave(&irq_desc[irq].lock, flags); 788 raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
789 if (irq_desc[irq].action && 789 if (irq_desc[irq].action &&
790 !(irq_desc[irq].status & IRQ_PER_CPU)) { 790 !(irq_desc[irq].status & IRQ_PER_CPU)) {
791 if (irq_desc[irq].chip->set_affinity) 791 if (irq_desc[irq].chip->set_affinity)
792 irq_desc[irq].chip->set_affinity(irq, 792 irq_desc[irq].chip->set_affinity(irq,
793 irq_desc[irq].affinity); 793 irq_desc[irq].affinity);
794 } 794 }
795 spin_unlock_irqrestore(&irq_desc[irq].lock, flags); 795 raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
796 } 796 }
797 797
798 tick_ops->disable_irq(); 798 tick_ops->disable_irq();
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index 3bc6527c95af..6716584e48ab 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -46,6 +46,9 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}};
46 46
47int __kprobes arch_prepare_kprobe(struct kprobe *p) 47int __kprobes arch_prepare_kprobe(struct kprobe *p)
48{ 48{
49 if ((unsigned long) p->addr & 0x3UL)
50 return -EILSEQ;
51
49 p->ainsn.insn[0] = *p->addr; 52 p->ainsn.insn[0] = *p->addr;
50 flushi(&p->ainsn.insn[0]); 53 flushi(&p->ainsn.insn[0]);
51 54
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index cb3c72c45aab..df39a0f0d27a 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -14,6 +14,7 @@
14#include <linux/interrupt.h> 14#include <linux/interrupt.h>
15#include <linux/list.h> 15#include <linux/list.h>
16#include <linux/init.h> 16#include <linux/init.h>
17#include <linux/bitmap.h>
17 18
18#include <asm/hypervisor.h> 19#include <asm/hypervisor.h>
19#include <asm/iommu.h> 20#include <asm/iommu.h>
@@ -1242,13 +1243,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
1242 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); 1243 snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
1243 1244
1244 err = request_irq(lp->cfg.rx_irq, ldc_rx, 1245 err = request_irq(lp->cfg.rx_irq, ldc_rx,
1245 IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED, 1246 IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
1246 lp->rx_irq_name, lp); 1247 lp->rx_irq_name, lp);
1247 if (err) 1248 if (err)
1248 return err; 1249 return err;
1249 1250
1250 err = request_irq(lp->cfg.tx_irq, ldc_tx, 1251 err = request_irq(lp->cfg.tx_irq, ldc_tx,
1251 IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED, 1252 IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
1252 lp->tx_irq_name, lp); 1253 lp->tx_irq_name, lp);
1253 if (err) { 1254 if (err) {
1254 free_irq(lp->cfg.rx_irq, lp); 1255 free_irq(lp->cfg.rx_irq, lp);
@@ -1875,7 +1876,7 @@ EXPORT_SYMBOL(ldc_read);
1875static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages) 1876static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
1876{ 1877{
1877 struct iommu_arena *arena = &iommu->arena; 1878 struct iommu_arena *arena = &iommu->arena;
1878 unsigned long n, i, start, end, limit; 1879 unsigned long n, start, end, limit;
1879 int pass; 1880 int pass;
1880 1881
1881 limit = arena->limit; 1882 limit = arena->limit;
@@ -1883,7 +1884,7 @@ static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
1883 pass = 0; 1884 pass = 0;
1884 1885
1885again: 1886again:
1886 n = find_next_zero_bit(arena->map, limit, start); 1887 n = bitmap_find_next_zero_area(arena->map, limit, start, npages, 0);
1887 end = n + npages; 1888 end = n + npages;
1888 if (unlikely(end >= limit)) { 1889 if (unlikely(end >= limit)) {
1889 if (likely(pass < 1)) { 1890 if (likely(pass < 1)) {
@@ -1896,16 +1897,7 @@ again:
1896 return -1; 1897 return -1;
1897 } 1898 }
1898 } 1899 }
1899 1900 bitmap_set(arena->map, n, npages);
1900 for (i = n; i < end; i++) {
1901 if (test_bit(i, arena->map)) {
1902 start = i + 1;
1903 goto again;
1904 }
1905 }
1906
1907 for (i = n; i < end; i++)
1908 __set_bit(i, arena->map);
1909 1901
1910 arena->hint = end; 1902 arena->hint = end;
1911 1903
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 54d8a5bd4824..87f1760c0aa2 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -12,11 +12,14 @@
12#include <linux/of_platform.h> 12#include <linux/of_platform.h>
13#include <linux/interrupt.h> 13#include <linux/interrupt.h>
14#include <linux/of_device.h> 14#include <linux/of_device.h>
15
15#include <asm/oplib.h> 16#include <asm/oplib.h>
16#include <asm/timer.h> 17#include <asm/timer.h>
17#include <asm/prom.h> 18#include <asm/prom.h>
18#include <asm/leon.h> 19#include <asm/leon.h>
19#include <asm/leon_amba.h> 20#include <asm/leon_amba.h>
21#include <asm/traps.h>
22#include <asm/cacheflush.h>
20 23
21#include "prom.h" 24#include "prom.h"
22#include "irq.h" 25#include "irq.h"
@@ -115,6 +118,21 @@ void __init leon_init_timers(irq_handler_t counter_fn)
115 (((1000000 / 100) - 1))); 118 (((1000000 / 100) - 1)));
116 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 0); 119 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 0);
117 120
121#ifdef CONFIG_SMP
122 leon_percpu_timer_dev[0].start = (int)leon3_gptimer_regs;
123 leon_percpu_timer_dev[0].irq = leon3_gptimer_irq+1;
124
125 if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) &
126 (1<<LEON3_GPTIMER_SEPIRQ))) {
127 prom_printf("irq timer not configured with seperate irqs \n");
128 BUG();
129 }
130
131 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].val, 0);
132 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].rld, (((1000000/100) - 1)));
133 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, 0);
134# endif
135
118 } else { 136 } else {
119 printk(KERN_ERR "No Timer/irqctrl found\n"); 137 printk(KERN_ERR "No Timer/irqctrl found\n");
120 BUG(); 138 BUG();
@@ -130,11 +148,41 @@ void __init leon_init_timers(irq_handler_t counter_fn)
130 prom_halt(); 148 prom_halt();
131 } 149 }
132 150
151# ifdef CONFIG_SMP
152 {
153 unsigned long flags;
154 struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (leon_percpu_timer_dev[0].irq - 1)];
155
156 /* For SMP we use the level 14 ticker, however the bootup code
157 * has copied the firmwares level 14 vector into boot cpu's
158 * trap table, we must fix this now or we get squashed.
159 */
160 local_irq_save(flags);
161
162 patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */
163
164 /* Adjust so that we jump directly to smpleon_ticker */
165 trap_table->inst_three += smpleon_ticker - real_irq_entry;
166
167 local_flush_cache_all();
168 local_irq_restore(flags);
169 }
170# endif
171
133 if (leon3_gptimer_regs) { 172 if (leon3_gptimer_regs) {
134 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 173 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl,
135 LEON3_GPTIMER_EN | 174 LEON3_GPTIMER_EN |
136 LEON3_GPTIMER_RL | 175 LEON3_GPTIMER_RL |
137 LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN); 176 LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN);
177
178#ifdef CONFIG_SMP
179 LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl,
180 LEON3_GPTIMER_EN |
181 LEON3_GPTIMER_RL |
182 LEON3_GPTIMER_LD |
183 LEON3_GPTIMER_IRQEN);
184#endif
185
138 } 186 }
139} 187}
140 188
@@ -175,6 +223,42 @@ void __init leon_node_init(struct device_node *dp, struct device_node ***nextp)
175 } 223 }
176} 224}
177 225
226#ifdef CONFIG_SMP
227
228void leon_set_cpu_int(int cpu, int level)
229{
230 unsigned long mask;
231 mask = get_irqmask(level);
232 LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask);
233}
234
235static void leon_clear_ipi(int cpu, int level)
236{
237 unsigned long mask;
238 mask = get_irqmask(level);
239 LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask<<16);
240}
241
242static void leon_set_udt(int cpu)
243{
244}
245
246void leon_clear_profile_irq(int cpu)
247{
248}
249
250void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu)
251{
252 unsigned long mask, flags, *addr;
253 mask = get_irqmask(irq_nr);
254 local_irq_save(flags);
255 addr = (unsigned long *)&(leon3_irqctrl_regs->mask[cpu]);
256 LEON3_BYPASS_STORE_PA(addr, (LEON3_BYPASS_LOAD_PA(addr) | (mask)));
257 local_irq_restore(flags);
258}
259
260#endif
261
178void __init leon_init_IRQ(void) 262void __init leon_init_IRQ(void)
179{ 263{
180 sparc_init_timers = leon_init_timers; 264 sparc_init_timers = leon_init_timers;
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
new file mode 100644
index 000000000000..05c0dadd6371
--- /dev/null
+++ b/arch/sparc/kernel/leon_smp.c
@@ -0,0 +1,468 @@
1/* leon_smp.c: Sparc-Leon SMP support.
2 *
3 * based on sun4m_smp.c
4 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
6 * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB
7 */
8
9#include <asm/head.h>
10
11#include <linux/kernel.h>
12#include <linux/sched.h>
13#include <linux/threads.h>
14#include <linux/smp.h>
15#include <linux/smp_lock.h>
16#include <linux/interrupt.h>
17#include <linux/kernel_stat.h>
18#include <linux/init.h>
19#include <linux/spinlock.h>
20#include <linux/mm.h>
21#include <linux/swap.h>
22#include <linux/profile.h>
23#include <linux/pm.h>
24#include <linux/delay.h>
25
26#include <asm/cacheflush.h>
27#include <asm/tlbflush.h>
28
29#include <asm/ptrace.h>
30#include <asm/atomic.h>
31#include <asm/irq_regs.h>
32
33#include <asm/delay.h>
34#include <asm/irq.h>
35#include <asm/page.h>
36#include <asm/pgalloc.h>
37#include <asm/pgtable.h>
38#include <asm/oplib.h>
39#include <asm/cpudata.h>
40#include <asm/asi.h>
41#include <asm/leon.h>
42#include <asm/leon_amba.h>
43
44#ifdef CONFIG_SPARC_LEON
45
46#include "irq.h"
47
48extern ctxd_t *srmmu_ctx_table_phys;
49static int smp_processors_ready;
50extern volatile unsigned long cpu_callin_map[NR_CPUS];
51extern unsigned char boot_cpu_id;
52extern cpumask_t smp_commenced_mask;
53void __init leon_configure_cache_smp(void);
54
55static inline unsigned long do_swap(volatile unsigned long *ptr,
56 unsigned long val)
57{
58 __asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
59 : "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
60 : "memory");
61 return val;
62}
63
64static void smp_setup_percpu_timer(void);
65
66void __cpuinit leon_callin(void)
67{
68 int cpuid = hard_smpleon_processor_id();
69
70 local_flush_cache_all();
71 local_flush_tlb_all();
72 leon_configure_cache_smp();
73
74 /* Get our local ticker going. */
75 smp_setup_percpu_timer();
76
77 calibrate_delay();
78 smp_store_cpu_info(cpuid);
79
80 local_flush_cache_all();
81 local_flush_tlb_all();
82
83 /*
84 * Unblock the master CPU _only_ when the scheduler state
85 * of all secondary CPUs will be up-to-date, so after
86 * the SMP initialization the master will be just allowed
87 * to call the scheduler code.
88 * Allow master to continue.
89 */
90 do_swap(&cpu_callin_map[cpuid], 1);
91
92 local_flush_cache_all();
93 local_flush_tlb_all();
94
95 cpu_probe();
96
97 /* Fix idle thread fields. */
98 __asm__ __volatile__("ld [%0], %%g6\n\t" : : "r"(&current_set[cpuid])
99 : "memory" /* paranoid */);
100
101 /* Attach to the address space of init_task. */
102 atomic_inc(&init_mm.mm_count);
103 current->active_mm = &init_mm;
104
105 while (!cpu_isset(cpuid, smp_commenced_mask))
106 mb();
107
108 local_irq_enable();
109 cpu_set(cpuid, cpu_online_map);
110}
111
112/*
113 * Cycle through the processors asking the PROM to start each one.
114 */
115
116extern struct linux_prom_registers smp_penguin_ctable;
117
118void __init leon_configure_cache_smp(void)
119{
120 unsigned long cfg = sparc_leon3_get_dcachecfg();
121 int me = smp_processor_id();
122
123 if (ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg) > 4) {
124 printk(KERN_INFO "Note: SMP with snooping only works on 4k cache, found %dk(0x%x) on cpu %d, disabling caches\n",
125 (unsigned int)ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg),
126 (unsigned int)cfg, (unsigned int)me);
127 sparc_leon3_disable_cache();
128 } else {
129 if (cfg & ASI_LEON3_SYSCTRL_CFG_SNOOPING) {
130 sparc_leon3_enable_snooping();
131 } else {
132 printk(KERN_INFO "Note: You have to enable snooping in the vhdl model cpu %d, disabling caches\n",
133 me);
134 sparc_leon3_disable_cache();
135 }
136 }
137
138 local_flush_cache_all();
139 local_flush_tlb_all();
140}
141
142void leon_smp_setbroadcast(unsigned int mask)
143{
144 int broadcast =
145 ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
146 LEON3_IRQMPSTATUS_BROADCAST) & 1);
147 if (!broadcast) {
148 prom_printf("######## !!!! The irqmp-ctrl must have broadcast enabled, smp wont work !!!!! ####### nr cpus: %d\n",
149 leon_smp_nrcpus());
150 if (leon_smp_nrcpus() > 1) {
151 BUG();
152 } else {
153 prom_printf("continue anyway\n");
154 return;
155 }
156 }
157 LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpbroadcast), mask);
158}
159
160unsigned int leon_smp_getbroadcast(void)
161{
162 unsigned int mask;
163 mask = LEON_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpbroadcast));
164 return mask;
165}
166
167int leon_smp_nrcpus(void)
168{
169 int nrcpu =
170 ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
171 LEON3_IRQMPSTATUS_CPUNR) & 0xf) + 1;
172 return nrcpu;
173}
174
175void __init leon_boot_cpus(void)
176{
177 int nrcpu = leon_smp_nrcpus();
178 int me = smp_processor_id();
179
180 printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x \n", (unsigned int)me,
181 (unsigned int)nrcpu, (unsigned int)NR_CPUS,
182 (unsigned int)&(leon3_irqctrl_regs->mpstatus));
183
184 leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, me);
185 leon_enable_irq_cpu(LEON3_IRQ_TICKER, me);
186 leon_enable_irq_cpu(LEON3_IRQ_RESCHEDULE, me);
187
188 leon_smp_setbroadcast(1 << LEON3_IRQ_TICKER);
189
190 leon_configure_cache_smp();
191 smp_setup_percpu_timer();
192 local_flush_cache_all();
193
194}
195
196int __cpuinit leon_boot_one_cpu(int i)
197{
198
199 struct task_struct *p;
200 int timeout;
201
202 /* Cook up an idler for this guy. */
203 p = fork_idle(i);
204
205 current_set[i] = task_thread_info(p);
206
207 /* See trampoline.S:leon_smp_cpu_startup for details...
208 * Initialize the contexts table
209 * Since the call to prom_startcpu() trashes the structure,
210 * we need to re-initialize it for each cpu
211 */
212 smp_penguin_ctable.which_io = 0;
213 smp_penguin_ctable.phys_addr = (unsigned int)srmmu_ctx_table_phys;
214 smp_penguin_ctable.reg_size = 0;
215
216 /* whirrr, whirrr, whirrrrrrrrr... */
217 printk(KERN_INFO "Starting CPU %d : (irqmp: 0x%x)\n", (unsigned int)i,
218 (unsigned int)&leon3_irqctrl_regs->mpstatus);
219 local_flush_cache_all();
220
221 LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpstatus), 1 << i);
222
223 /* wheee... it's going... */
224 for (timeout = 0; timeout < 10000; timeout++) {
225 if (cpu_callin_map[i])
226 break;
227 udelay(200);
228 }
229 printk(KERN_INFO "Started CPU %d \n", (unsigned int)i);
230
231 if (!(cpu_callin_map[i])) {
232 printk(KERN_ERR "Processor %d is stuck.\n", i);
233 return -ENODEV;
234 } else {
235 leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, i);
236 leon_enable_irq_cpu(LEON3_IRQ_TICKER, i);
237 leon_enable_irq_cpu(LEON3_IRQ_RESCHEDULE, i);
238 }
239
240 local_flush_cache_all();
241 return 0;
242}
243
244void __init leon_smp_done(void)
245{
246
247 int i, first;
248 int *prev;
249
250 /* setup cpu list for irq rotation */
251 first = 0;
252 prev = &first;
253 for (i = 0; i < NR_CPUS; i++) {
254 if (cpu_online(i)) {
255 *prev = i;
256 prev = &cpu_data(i).next;
257 }
258 }
259 *prev = first;
260 local_flush_cache_all();
261
262 /* Free unneeded trap tables */
263 if (!cpu_isset(1, cpu_present_map)) {
264 ClearPageReserved(virt_to_page(trapbase_cpu1));
265 init_page_count(virt_to_page(trapbase_cpu1));
266 free_page((unsigned long)trapbase_cpu1);
267 totalram_pages++;
268 num_physpages++;
269 }
270 if (!cpu_isset(2, cpu_present_map)) {
271 ClearPageReserved(virt_to_page(trapbase_cpu2));
272 init_page_count(virt_to_page(trapbase_cpu2));
273 free_page((unsigned long)trapbase_cpu2);
274 totalram_pages++;
275 num_physpages++;
276 }
277 if (!cpu_isset(3, cpu_present_map)) {
278 ClearPageReserved(virt_to_page(trapbase_cpu3));
279 init_page_count(virt_to_page(trapbase_cpu3));
280 free_page((unsigned long)trapbase_cpu3);
281 totalram_pages++;
282 num_physpages++;
283 }
284 /* Ok, they are spinning and ready to go. */
285 smp_processors_ready = 1;
286
287}
288
289void leon_irq_rotate(int cpu)
290{
291}
292
293static struct smp_funcall {
294 smpfunc_t func;
295 unsigned long arg1;
296 unsigned long arg2;
297 unsigned long arg3;
298 unsigned long arg4;
299 unsigned long arg5;
300 unsigned long processors_in[NR_CPUS]; /* Set when ipi entered. */
301 unsigned long processors_out[NR_CPUS]; /* Set when ipi exited. */
302} ccall_info;
303
304static DEFINE_SPINLOCK(cross_call_lock);
305
306/* Cross calls must be serialized, at least currently. */
307static void leon_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
308 unsigned long arg2, unsigned long arg3,
309 unsigned long arg4)
310{
311 if (smp_processors_ready) {
312 register int high = NR_CPUS - 1;
313 unsigned long flags;
314
315 spin_lock_irqsave(&cross_call_lock, flags);
316
317 {
318 /* If you make changes here, make sure gcc generates proper code... */
319 register smpfunc_t f asm("i0") = func;
320 register unsigned long a1 asm("i1") = arg1;
321 register unsigned long a2 asm("i2") = arg2;
322 register unsigned long a3 asm("i3") = arg3;
323 register unsigned long a4 asm("i4") = arg4;
324 register unsigned long a5 asm("i5") = 0;
325
326 __asm__ __volatile__("std %0, [%6]\n\t"
327 "std %2, [%6 + 8]\n\t"
328 "std %4, [%6 + 16]\n\t" : :
329 "r"(f), "r"(a1), "r"(a2), "r"(a3),
330 "r"(a4), "r"(a5),
331 "r"(&ccall_info.func));
332 }
333
334 /* Init receive/complete mapping, plus fire the IPI's off. */
335 {
336 register int i;
337
338 cpu_clear(smp_processor_id(), mask);
339 cpus_and(mask, cpu_online_map, mask);
340 for (i = 0; i <= high; i++) {
341 if (cpu_isset(i, mask)) {
342 ccall_info.processors_in[i] = 0;
343 ccall_info.processors_out[i] = 0;
344 set_cpu_int(i, LEON3_IRQ_CROSS_CALL);
345
346 }
347 }
348 }
349
350 {
351 register int i;
352
353 i = 0;
354 do {
355 if (!cpu_isset(i, mask))
356 continue;
357
358 while (!ccall_info.processors_in[i])
359 barrier();
360 } while (++i <= high);
361
362 i = 0;
363 do {
364 if (!cpu_isset(i, mask))
365 continue;
366
367 while (!ccall_info.processors_out[i])
368 barrier();
369 } while (++i <= high);
370 }
371
372 spin_unlock_irqrestore(&cross_call_lock, flags);
373 }
374}
375
376/* Running cross calls. */
377void leon_cross_call_irq(void)
378{
379 int i = smp_processor_id();
380
381 ccall_info.processors_in[i] = 1;
382 ccall_info.func(ccall_info.arg1, ccall_info.arg2, ccall_info.arg3,
383 ccall_info.arg4, ccall_info.arg5);
384 ccall_info.processors_out[i] = 1;
385}
386
387void leon_percpu_timer_interrupt(struct pt_regs *regs)
388{
389 struct pt_regs *old_regs;
390 int cpu = smp_processor_id();
391
392 old_regs = set_irq_regs(regs);
393
394 leon_clear_profile_irq(cpu);
395
396 profile_tick(CPU_PROFILING);
397
398 if (!--prof_counter(cpu)) {
399 int user = user_mode(regs);
400
401 irq_enter();
402 update_process_times(user);
403 irq_exit();
404
405 prof_counter(cpu) = prof_multiplier(cpu);
406 }
407 set_irq_regs(old_regs);
408}
409
410static void __init smp_setup_percpu_timer(void)
411{
412 int cpu = smp_processor_id();
413
414 prof_counter(cpu) = prof_multiplier(cpu) = 1;
415}
416
417void __init leon_blackbox_id(unsigned *addr)
418{
419 int rd = *addr & 0x3e000000;
420 int rs1 = rd >> 11;
421
422 /* patch places where ___b_hard_smp_processor_id appears */
423 addr[0] = 0x81444000 | rd; /* rd %asr17, reg */
424 addr[1] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */
425 addr[2] = 0x01000000; /* nop */
426}
427
428void __init leon_blackbox_current(unsigned *addr)
429{
430 int rd = *addr & 0x3e000000;
431 int rs1 = rd >> 11;
432
433 /* patch LOAD_CURRENT macro where ___b_load_current appears */
434 addr[0] = 0x81444000 | rd; /* rd %asr17, reg */
435 addr[2] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */
436 addr[4] = 0x81282002 | rd | rs1; /* sll reg, 0x2, reg */
437
438}
439
440/*
441 * CPU idle callback function
442 * See .../arch/sparc/kernel/process.c
443 */
444void pmc_leon_idle(void)
445{
446 __asm__ volatile ("mov %g0, %asr19");
447}
448
449void __init leon_init_smp(void)
450{
451 /* Patch ipi15 trap table */
452 t_nmi[1] = t_nmi[1] + (linux_trap_ipi15_leon - linux_trap_ipi15_sun4m);
453
454 BTFIXUPSET_BLACKBOX(hard_smp_processor_id, leon_blackbox_id);
455 BTFIXUPSET_BLACKBOX(load_current, leon_blackbox_current);
456 BTFIXUPSET_CALL(smp_cross_call, leon_cross_call, BTFIXUPCALL_NORM);
457 BTFIXUPSET_CALL(__hard_smp_processor_id, __leon_processor_id,
458 BTFIXUPCALL_NORM);
459
460#ifndef PMC_NO_IDLE
461 /* Assign power management IDLE handler */
462 pm_idle = pmc_leon_idle;
463 printk(KERN_INFO "leon: power management initialized\n");
464#endif
465
466}
467
468#endif /* CONFIG_SPARC_LEON */
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 938da19dc065..cdc91d919e93 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -10,6 +10,7 @@
10#include <linux/slab.h> 10#include <linux/slab.h>
11#include <linux/mm.h> 11#include <linux/mm.h>
12#include <linux/miscdevice.h> 12#include <linux/miscdevice.h>
13#include <linux/bootmem.h>
13 14
14#include <asm/cpudata.h> 15#include <asm/cpudata.h>
15#include <asm/hypervisor.h> 16#include <asm/hypervisor.h>
@@ -108,25 +109,15 @@ static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
108 109
109static void mdesc_lmb_free(struct mdesc_handle *hp) 110static void mdesc_lmb_free(struct mdesc_handle *hp)
110{ 111{
111 unsigned int alloc_size, handle_size = hp->handle_size; 112 unsigned int alloc_size;
112 unsigned long start, end; 113 unsigned long start;
113 114
114 BUG_ON(atomic_read(&hp->refcnt) != 0); 115 BUG_ON(atomic_read(&hp->refcnt) != 0);
115 BUG_ON(!list_empty(&hp->list)); 116 BUG_ON(!list_empty(&hp->list));
116 117
117 alloc_size = PAGE_ALIGN(handle_size); 118 alloc_size = PAGE_ALIGN(hp->handle_size);
118 119 start = __pa(hp);
119 start = (unsigned long) hp; 120 free_bootmem_late(start, alloc_size);
120 end = start + alloc_size;
121
122 while (start < end) {
123 struct page *p;
124
125 p = virt_to_page(start);
126 ClearPageReserved(p);
127 __free_page(p);
128 start += PAGE_SIZE;
129 }
130} 121}
131 122
132static struct mdesc_mem_ops lmb_mdesc_ops = { 123static struct mdesc_mem_ops lmb_mdesc_ops = {
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index b129611590a4..d242a7340541 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -47,7 +47,7 @@ static DEFINE_PER_CPU(short, wd_enabled);
47static int endflag __initdata; 47static int endflag __initdata;
48 48
49static DEFINE_PER_CPU(unsigned int, last_irq_sum); 49static DEFINE_PER_CPU(unsigned int, last_irq_sum);
50static DEFINE_PER_CPU(local_t, alert_counter); 50static DEFINE_PER_CPU(long, alert_counter);
51static DEFINE_PER_CPU(int, nmi_touch); 51static DEFINE_PER_CPU(int, nmi_touch);
52 52
53void touch_nmi_watchdog(void) 53void touch_nmi_watchdog(void)
@@ -96,7 +96,6 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
96 int cpu = smp_processor_id(); 96 int cpu = smp_processor_id();
97 97
98 clear_softint(1 << irq); 98 clear_softint(1 << irq);
99 pcr_ops->write(PCR_PIC_PRIV);
100 99
101 local_cpu_data().__nmi_count++; 100 local_cpu_data().__nmi_count++;
102 101
@@ -105,6 +104,8 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
105 if (notify_die(DIE_NMI, "nmi", regs, 0, 104 if (notify_die(DIE_NMI, "nmi", regs, 0,
106 pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP) 105 pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
107 touched = 1; 106 touched = 1;
107 else
108 pcr_ops->write(PCR_PIC_PRIV);
108 109
109 sum = kstat_irqs_cpu(0, cpu); 110 sum = kstat_irqs_cpu(0, cpu);
110 if (__get_cpu_var(nmi_touch)) { 111 if (__get_cpu_var(nmi_touch)) {
@@ -112,13 +113,13 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
112 touched = 1; 113 touched = 1;
113 } 114 }
114 if (!touched && __get_cpu_var(last_irq_sum) == sum) { 115 if (!touched && __get_cpu_var(last_irq_sum) == sum) {
115 local_inc(&__get_cpu_var(alert_counter)); 116 __this_cpu_inc(per_cpu_var(alert_counter));
116 if (local_read(&__get_cpu_var(alert_counter)) == 30 * nmi_hz) 117 if (__this_cpu_read(per_cpu_var(alert_counter)) == 30 * nmi_hz)
117 die_nmi("BUG: NMI Watchdog detected LOCKUP", 118 die_nmi("BUG: NMI Watchdog detected LOCKUP",
118 regs, panic_on_timeout); 119 regs, panic_on_timeout);
119 } else { 120 } else {
120 __get_cpu_var(last_irq_sum) = sum; 121 __get_cpu_var(last_irq_sum) = sum;
121 local_set(&__get_cpu_var(alert_counter), 0); 122 __this_cpu_write(per_cpu_var(alert_counter), 0);
122 } 123 }
123 if (__get_cpu_var(wd_enabled)) { 124 if (__get_cpu_var(wd_enabled)) {
124 write_pic(picl_value(nmi_hz)); 125 write_pic(picl_value(nmi_hz));
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 036f18ae59a6..b3d4cb5d21b3 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -104,9 +104,19 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
104 int i; 104 int i;
105 105
106 /* Check address type match */ 106 /* Check address type match */
107 if ((addr[0] ^ range[0]) & 0x03000000) 107 if (!((addr[0] ^ range[0]) & 0x03000000))
108 return -EINVAL; 108 goto type_match;
109
110 /* Special exception, we can map a 64-bit address into
111 * a 32-bit range.
112 */
113 if ((addr[0] & 0x03000000) == 0x03000000 &&
114 (range[0] & 0x03000000) == 0x02000000)
115 goto type_match;
116
117 return -EINVAL;
109 118
119type_match:
110 if (of_out_of_range(addr + 1, range + 1, range + na + pna, 120 if (of_out_of_range(addr + 1, range + 1, range + na + pna,
111 na - 1, ns)) 121 na - 1, ns))
112 return -EINVAL; 122 return -EINVAL;
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c68648662802..539e83f8e087 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1064,7 +1064,6 @@ int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask)
1064 1064
1065 return (device_mask & dma_addr_mask) == dma_addr_mask; 1065 return (device_mask & dma_addr_mask) == dma_addr_mask;
1066} 1066}
1067EXPORT_SYMBOL(pci_dma_supported);
1068 1067
1069void pci_resource_to_user(const struct pci_dev *pdev, int bar, 1068void pci_resource_to_user(const struct pci_dev *pdev, int bar,
1070 const struct resource *rp, resource_size_t *start, 1069 const struct resource *rp, resource_size_t *start,
@@ -1081,3 +1080,10 @@ void pci_resource_to_user(const struct pci_dev *pdev, int bar,
1081 *start = rp->start - offset; 1080 *start = rp->start - offset;
1082 *end = rp->end - offset; 1081 *end = rp->end - offset;
1083} 1082}
1083
1084static int __init pcibios_init(void)
1085{
1086 pci_dfl_cache_line_size = 64 >> 2;
1087 return 0;
1088}
1089subsys_initcall(pcibios_init);
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index f1be37a7b123..e1b0541feb19 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -112,7 +112,7 @@ static void free_msi(struct pci_pbm_info *pbm, int msi_num)
112} 112}
113 113
114static struct irq_chip msi_irq = { 114static struct irq_chip msi_irq = {
115 .typename = "PCI-MSI", 115 .name = "PCI-MSI",
116 .mask = mask_msi_irq, 116 .mask = mask_msi_irq,
117 .unmask = unmask_msi_irq, 117 .unmask = unmask_msi_irq,
118 .enable = unmask_msi_irq, 118 .enable = unmask_msi_irq,
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index fa5936e1c3b9..198fb4e79ba2 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -986,6 +986,17 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
986 data.addr = 0; 986 data.addr = 0;
987 987
988 cpuc = &__get_cpu_var(cpu_hw_events); 988 cpuc = &__get_cpu_var(cpu_hw_events);
989
990 /* If the PMU has the TOE IRQ enable bits, we need to do a
991 * dummy write to the %pcr to clear the overflow bits and thus
992 * the interrupt.
993 *
994 * Do this before we peek at the counters to determine
995 * overflow so we don't lose any events.
996 */
997 if (sparc_pmu->irq_bit)
998 pcr_ops->write(cpuc->pcr);
999
989 for (idx = 0; idx < MAX_HWEVENTS; idx++) { 1000 for (idx = 0; idx < MAX_HWEVENTS; idx++) {
990 struct perf_event *event = cpuc->events[idx]; 1001 struct perf_event *event = cpuc->events[idx];
991 struct hw_perf_event *hwc; 1002 struct hw_perf_event *hwc;
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 4ae91dc2feb9..2f6524d1a817 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -23,6 +23,7 @@
23#include <linux/signal.h> 23#include <linux/signal.h>
24#include <linux/regset.h> 24#include <linux/regset.h>
25#include <linux/tracehook.h> 25#include <linux/tracehook.h>
26#include <trace/syscall.h>
26#include <linux/compat.h> 27#include <linux/compat.h>
27#include <linux/elf.h> 28#include <linux/elf.h>
28 29
@@ -37,6 +38,9 @@
37#include <asm/cpudata.h> 38#include <asm/cpudata.h>
38#include <asm/cacheflush.h> 39#include <asm/cacheflush.h>
39 40
41#define CREATE_TRACE_POINTS
42#include <trace/events/syscalls.h>
43
40#include "entry.h" 44#include "entry.h"
41 45
42/* #define ALLOW_INIT_TRACING */ 46/* #define ALLOW_INIT_TRACING */
@@ -1059,6 +1063,9 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
1059 if (test_thread_flag(TIF_SYSCALL_TRACE)) 1063 if (test_thread_flag(TIF_SYSCALL_TRACE))
1060 ret = tracehook_report_syscall_entry(regs); 1064 ret = tracehook_report_syscall_entry(regs);
1061 1065
1066 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
1067 trace_sys_enter(regs, regs->u_regs[UREG_G1]);
1068
1062 if (unlikely(current->audit_context) && !ret) 1069 if (unlikely(current->audit_context) && !ret)
1063 audit_syscall_entry((test_thread_flag(TIF_32BIT) ? 1070 audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
1064 AUDIT_ARCH_SPARC : 1071 AUDIT_ARCH_SPARC :
@@ -1084,6 +1091,9 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
1084 audit_syscall_exit(result, regs->u_regs[UREG_I0]); 1091 audit_syscall_exit(result, regs->u_regs[UREG_I0]);
1085 } 1092 }
1086 1093
1094 if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
1095 trace_sys_exit(regs, regs->u_regs[UREG_G1]);
1096
1087 if (test_thread_flag(TIF_SYSCALL_TRACE)) 1097 if (test_thread_flag(TIF_SYSCALL_TRACE))
1088 tracehook_report_syscall_exit(regs, 0); 1098 tracehook_report_syscall_exit(regs, 0);
1089} 1099}
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 21180339cb09..a2a79e76344f 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -46,6 +46,7 @@
46#include <asm/setup.h> 46#include <asm/setup.h>
47#include <asm/mmu.h> 47#include <asm/mmu.h>
48#include <asm/ns87303.h> 48#include <asm/ns87303.h>
49#include <asm/btext.h>
49 50
50#ifdef CONFIG_IP_PNP 51#ifdef CONFIG_IP_PNP
51#include <net/ipconfig.h> 52#include <net/ipconfig.h>
@@ -286,7 +287,10 @@ void __init setup_arch(char **cmdline_p)
286 parse_early_param(); 287 parse_early_param();
287 288
288 boot_flags_init(*cmdline_p); 289 boot_flags_init(*cmdline_p);
289 register_console(&prom_early_console); 290#ifdef CONFIG_EARLYFB
291 if (btext_find_display())
292#endif
293 register_console(&prom_early_console);
290 294
291 if (tlb_type == hypervisor) 295 if (tlb_type == hypervisor)
292 printk("ARCH: SUN4V\n"); 296 printk("ARCH: SUN4V\n");
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 132d81fb2616..91c10fb70858 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -32,6 +32,7 @@
32#include <asm/cacheflush.h> 32#include <asm/cacheflush.h>
33#include <asm/tlbflush.h> 33#include <asm/tlbflush.h>
34#include <asm/cpudata.h> 34#include <asm/cpudata.h>
35#include <asm/leon.h>
35 36
36#include "irq.h" 37#include "irq.h"
37 38
@@ -96,6 +97,9 @@ void __init smp_cpus_done(unsigned int max_cpus)
96 case sun4d: 97 case sun4d:
97 smp4d_smp_done(); 98 smp4d_smp_done();
98 break; 99 break;
100 case sparc_leon:
101 leon_smp_done();
102 break;
99 case sun4e: 103 case sun4e:
100 printk("SUN4E\n"); 104 printk("SUN4E\n");
101 BUG(); 105 BUG();
@@ -306,6 +310,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
306 case sun4d: 310 case sun4d:
307 smp4d_boot_cpus(); 311 smp4d_boot_cpus();
308 break; 312 break;
313 case sparc_leon:
314 leon_boot_cpus();
315 break;
309 case sun4e: 316 case sun4e:
310 printk("SUN4E\n"); 317 printk("SUN4E\n");
311 BUG(); 318 BUG();
@@ -376,6 +383,9 @@ int __cpuinit __cpu_up(unsigned int cpu)
376 case sun4d: 383 case sun4d:
377 ret = smp4d_boot_one_cpu(cpu); 384 ret = smp4d_boot_one_cpu(cpu);
378 break; 385 break;
386 case sparc_leon:
387 ret = leon_boot_one_cpu(cpu);
388 break;
379 case sun4e: 389 case sun4e:
380 printk("SUN4E\n"); 390 printk("SUN4E\n");
381 BUG(); 391 BUG();
diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c
index 0f26066a08d9..372ad59c4cba 100644
--- a/arch/sparc/kernel/sparc_ksyms_64.c
+++ b/arch/sparc/kernel/sparc_ksyms_64.c
@@ -38,17 +38,5 @@ EXPORT_SYMBOL(sun4v_niagara_setperf);
38EXPORT_SYMBOL(sun4v_niagara2_getperf); 38EXPORT_SYMBOL(sun4v_niagara2_getperf);
39EXPORT_SYMBOL(sun4v_niagara2_setperf); 39EXPORT_SYMBOL(sun4v_niagara2_setperf);
40 40
41#ifdef CONFIG_PCI
42/* inline functions in asm/pci_64.h */
43EXPORT_SYMBOL(pci_alloc_consistent);
44EXPORT_SYMBOL(pci_free_consistent);
45EXPORT_SYMBOL(pci_map_single);
46EXPORT_SYMBOL(pci_unmap_single);
47EXPORT_SYMBOL(pci_map_sg);
48EXPORT_SYMBOL(pci_unmap_sg);
49EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
50EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
51#endif
52
53/* Exporting a symbol from /init/main.c */ 41/* Exporting a symbol from /init/main.c */
54EXPORT_SYMBOL(saved_command_line); 42EXPORT_SYMBOL(saved_command_line);
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 04e28b2671c8..dc0ac197e7e2 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -26,11 +26,6 @@
26#include <linux/nfs_fs.h> 26#include <linux/nfs_fs.h>
27#include <linux/quota.h> 27#include <linux/quota.h>
28#include <linux/module.h> 28#include <linux/module.h>
29#include <linux/sunrpc/svc.h>
30#include <linux/nfsd/nfsd.h>
31#include <linux/nfsd/cache.h>
32#include <linux/nfsd/xdr.h>
33#include <linux/nfsd/syscall.h>
34#include <linux/poll.h> 29#include <linux/poll.h>
35#include <linux/personality.h> 30#include <linux/personality.h>
36#include <linux/stat.h> 31#include <linux/stat.h>
@@ -569,85 +564,6 @@ asmlinkage long sparc32_open(const char __user *filename,
569 return do_sys_open(AT_FDCWD, filename, flags, mode); 564 return do_sys_open(AT_FDCWD, filename, flags, mode);
570} 565}
571 566
572extern unsigned long do_mremap(unsigned long addr,
573 unsigned long old_len, unsigned long new_len,
574 unsigned long flags, unsigned long new_addr);
575
576asmlinkage unsigned long sys32_mremap(unsigned long addr,
577 unsigned long old_len, unsigned long new_len,
578 unsigned long flags, u32 __new_addr)
579{
580 unsigned long ret = -EINVAL;
581 unsigned long new_addr = __new_addr;
582
583 if (unlikely(sparc_mmap_check(addr, old_len)))
584 goto out;
585 if (unlikely(sparc_mmap_check(new_addr, new_len)))
586 goto out;
587 down_write(&current->mm->mmap_sem);
588 ret = do_mremap(addr, old_len, new_len, flags, new_addr);
589 up_write(&current->mm->mmap_sem);
590out:
591 return ret;
592}
593
594struct __sysctl_args32 {
595 u32 name;
596 int nlen;
597 u32 oldval;
598 u32 oldlenp;
599 u32 newval;
600 u32 newlen;
601 u32 __unused[4];
602};
603
604asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
605{
606#ifndef CONFIG_SYSCTL_SYSCALL
607 return -ENOSYS;
608#else
609 struct __sysctl_args32 tmp;
610 int error;
611 size_t oldlen, __user *oldlenp = NULL;
612 unsigned long addr = (((unsigned long)&args->__unused[0]) + 7UL) & ~7UL;
613
614 if (copy_from_user(&tmp, args, sizeof(tmp)))
615 return -EFAULT;
616
617 if (tmp.oldval && tmp.oldlenp) {
618 /* Duh, this is ugly and might not work if sysctl_args
619 is in read-only memory, but do_sysctl does indirectly
620 a lot of uaccess in both directions and we'd have to
621 basically copy the whole sysctl.c here, and
622 glibc's __sysctl uses rw memory for the structure
623 anyway. */
624 if (get_user(oldlen, (u32 __user *)(unsigned long)tmp.oldlenp) ||
625 put_user(oldlen, (size_t __user *)addr))
626 return -EFAULT;
627 oldlenp = (size_t __user *)addr;
628 }
629
630 lock_kernel();
631 error = do_sysctl((int __user *)(unsigned long) tmp.name,
632 tmp.nlen,
633 (void __user *)(unsigned long) tmp.oldval,
634 oldlenp,
635 (void __user *)(unsigned long) tmp.newval,
636 tmp.newlen);
637 unlock_kernel();
638 if (oldlenp) {
639 if (!error) {
640 if (get_user(oldlen, (size_t __user *)addr) ||
641 put_user(oldlen, (u32 __user *)(unsigned long) tmp.oldlenp))
642 error = -EFAULT;
643 }
644 if (copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused)))
645 error = -EFAULT;
646 }
647 return error;
648#endif
649}
650
651long sys32_lookup_dcookie(unsigned long cookie_high, 567long sys32_lookup_dcookie(unsigned long cookie_high,
652 unsigned long cookie_low, 568 unsigned long cookie_low,
653 char __user *buf, size_t len) 569 char __user *buf, size_t len)
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 03035c852a43..3a82e65d8db2 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -45,7 +45,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
45 /* We do not accept a shared mapping if it would violate 45 /* We do not accept a shared mapping if it would violate
46 * cache aliasing constraints. 46 * cache aliasing constraints.
47 */ 47 */
48 if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1))) 48 if ((flags & MAP_SHARED) &&
49 ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
49 return -EINVAL; 50 return -EINVAL;
50 return addr; 51 return addr;
51 } 52 }
@@ -79,15 +80,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
79 } 80 }
80} 81}
81 82
82asmlinkage unsigned long sparc_brk(unsigned long brk)
83{
84 if(ARCH_SUN4C) {
85 if ((brk & 0xe0000000) != (current->mm->brk & 0xe0000000))
86 return current->mm->brk;
87 }
88 return sys_brk(brk);
89}
90
91/* 83/*
92 * sys_pipe() is the normal C calling standard for creating 84 * sys_pipe() is the normal C calling standard for creating
93 * a pipe. It's not the way unix traditionally does this, though. 85 * a pipe. It's not the way unix traditionally does this, though.
@@ -234,31 +226,6 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
234} 226}
235 227
236/* Linux version of mmap */ 228/* Linux version of mmap */
237static unsigned long do_mmap2(unsigned long addr, unsigned long len,
238 unsigned long prot, unsigned long flags, unsigned long fd,
239 unsigned long pgoff)
240{
241 struct file * file = NULL;
242 unsigned long retval = -EBADF;
243
244 if (!(flags & MAP_ANONYMOUS)) {
245 file = fget(fd);
246 if (!file)
247 goto out;
248 }
249
250 len = PAGE_ALIGN(len);
251 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
252
253 down_write(&current->mm->mmap_sem);
254 retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
255 up_write(&current->mm->mmap_sem);
256
257 if (file)
258 fput(file);
259out:
260 return retval;
261}
262 229
263asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len, 230asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
264 unsigned long prot, unsigned long flags, unsigned long fd, 231 unsigned long prot, unsigned long flags, unsigned long fd,
@@ -266,14 +233,16 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
266{ 233{
267 /* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE 234 /* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE
268 we have. */ 235 we have. */
269 return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12)); 236 return sys_mmap_pgoff(addr, len, prot, flags, fd,
237 pgoff >> (PAGE_SHIFT - 12));
270} 238}
271 239
272asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, 240asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
273 unsigned long prot, unsigned long flags, unsigned long fd, 241 unsigned long prot, unsigned long flags, unsigned long fd,
274 unsigned long off) 242 unsigned long off)
275{ 243{
276 return do_mmap2(addr, len, prot, flags, fd, off >> PAGE_SHIFT); 244 /* no alignment check? */
245 return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
277} 246}
278 247
279long sparc_remap_file_pages(unsigned long start, unsigned long size, 248long sparc_remap_file_pages(unsigned long start, unsigned long size,
@@ -287,27 +256,6 @@ long sparc_remap_file_pages(unsigned long start, unsigned long size,
287 (pgoff >> (PAGE_SHIFT - 12)), flags); 256 (pgoff >> (PAGE_SHIFT - 12)), flags);
288} 257}
289 258
290extern unsigned long do_mremap(unsigned long addr,
291 unsigned long old_len, unsigned long new_len,
292 unsigned long flags, unsigned long new_addr);
293
294asmlinkage unsigned long sparc_mremap(unsigned long addr,
295 unsigned long old_len, unsigned long new_len,
296 unsigned long flags, unsigned long new_addr)
297{
298 unsigned long ret = -EINVAL;
299
300 if (unlikely(sparc_mmap_check(addr, old_len)))
301 goto out;
302 if (unlikely(sparc_mmap_check(new_addr, new_len)))
303 goto out;
304 down_write(&current->mm->mmap_sem);
305 ret = do_mremap(addr, old_len, new_len, flags, new_addr);
306 up_write(&current->mm->mmap_sem);
307out:
308 return ret;
309}
310
311/* we come to here via sys_nis_syscall so it can setup the regs argument */ 259/* we come to here via sys_nis_syscall so it can setup the regs argument */
312asmlinkage unsigned long 260asmlinkage unsigned long
313c_sys_nis_syscall (struct pt_regs *regs) 261c_sys_nis_syscall (struct pt_regs *regs)
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index e2d102447a43..cfa0e19abe3b 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -317,10 +317,14 @@ bottomup:
317unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags) 317unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags)
318{ 318{
319 unsigned long align_goal, addr = -ENOMEM; 319 unsigned long align_goal, addr = -ENOMEM;
320 unsigned long (*get_area)(struct file *, unsigned long,
321 unsigned long, unsigned long, unsigned long);
322
323 get_area = current->mm->get_unmapped_area;
320 324
321 if (flags & MAP_FIXED) { 325 if (flags & MAP_FIXED) {
322 /* Ok, don't mess with it. */ 326 /* Ok, don't mess with it. */
323 return get_unmapped_area(NULL, orig_addr, len, pgoff, flags); 327 return get_area(NULL, orig_addr, len, pgoff, flags);
324 } 328 }
325 flags &= ~MAP_SHARED; 329 flags &= ~MAP_SHARED;
326 330
@@ -333,7 +337,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
333 align_goal = (64UL * 1024); 337 align_goal = (64UL * 1024);
334 338
335 do { 339 do {
336 addr = get_unmapped_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags); 340 addr = get_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags);
337 if (!(addr & ~PAGE_MASK)) { 341 if (!(addr & ~PAGE_MASK)) {
338 addr = (addr + (align_goal - 1UL)) & ~(align_goal - 1UL); 342 addr = (addr + (align_goal - 1UL)) & ~(align_goal - 1UL);
339 break; 343 break;
@@ -351,7 +355,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
351 * be obtained. 355 * be obtained.
352 */ 356 */
353 if (addr & ~PAGE_MASK) 357 if (addr & ~PAGE_MASK)
354 addr = get_unmapped_area(NULL, orig_addr, len, pgoff, flags); 358 addr = get_area(NULL, orig_addr, len, pgoff, flags);
355 359
356 return addr; 360 return addr;
357} 361}
@@ -399,18 +403,6 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
399 } 403 }
400} 404}
401 405
402SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
403{
404 /* People could try to be nasty and use ta 0x6d in 32bit programs */
405 if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
406 return current->mm->brk;
407
408 if (unlikely(straddles_64bit_va_hole(current->mm->brk, brk)))
409 return current->mm->brk;
410
411 return sys_brk(brk);
412}
413
414/* 406/*
415 * sys_pipe() is the normal C calling standard for creating 407 * sys_pipe() is the normal C calling standard for creating
416 * a pipe. It's not the way unix traditionally does this, though. 408 * a pipe. It's not the way unix traditionally does this, though.
@@ -568,23 +560,13 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
568 unsigned long, prot, unsigned long, flags, unsigned long, fd, 560 unsigned long, prot, unsigned long, flags, unsigned long, fd,
569 unsigned long, off) 561 unsigned long, off)
570{ 562{
571 struct file * file = NULL; 563 unsigned long retval = -EINVAL;
572 unsigned long retval = -EBADF;
573
574 if (!(flags & MAP_ANONYMOUS)) {
575 file = fget(fd);
576 if (!file)
577 goto out;
578 }
579 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
580 len = PAGE_ALIGN(len);
581 564
582 down_write(&current->mm->mmap_sem); 565 if ((off + PAGE_ALIGN(len)) < off)
583 retval = do_mmap(file, addr, len, prot, flags, off); 566 goto out;
584 up_write(&current->mm->mmap_sem); 567 if (off & ~PAGE_MASK)
585 568 goto out;
586 if (file) 569 retval = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
587 fput(file);
588out: 570out:
589 return retval; 571 return retval;
590} 572}
@@ -614,12 +596,6 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
614 596
615 if (test_thread_flag(TIF_32BIT)) 597 if (test_thread_flag(TIF_32BIT))
616 goto out; 598 goto out;
617 if (unlikely(new_len >= VA_EXCLUDE_START))
618 goto out;
619 if (unlikely(sparc_mmap_check(addr, old_len)))
620 goto out;
621 if (unlikely(sparc_mmap_check(new_addr, new_len)))
622 goto out;
623 599
624 down_write(&current->mm->mmap_sem); 600 down_write(&current->mm->mmap_sem);
625 ret = do_mremap(addr, old_len, new_len, flags, new_addr); 601 ret = do_mremap(addr, old_len, new_len, flags, new_addr);
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index d150c2aa98d2..dc4a458f74dc 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -62,7 +62,7 @@ sys32_rt_sigreturn:
62#endif 62#endif
63 .align 32 63 .align 32
641: ldx [%g6 + TI_FLAGS], %l5 641: ldx [%g6 + TI_FLAGS], %l5
65 andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 65 andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
66 be,pt %icc, rtrap 66 be,pt %icc, rtrap
67 nop 67 nop
68 call syscall_trace_leave 68 call syscall_trace_leave
@@ -187,7 +187,7 @@ linux_syscall_trace:
187 .globl linux_sparc_syscall32 187 .globl linux_sparc_syscall32
188linux_sparc_syscall32: 188linux_sparc_syscall32:
189 /* Direct access to user regs, much faster. */ 189 /* Direct access to user regs, much faster. */
190 cmp %g1, NR_SYSCALLS ! IEU1 Group 190 cmp %g1, NR_syscalls ! IEU1 Group
191 bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI 191 bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
192 srl %i0, 0, %o0 ! IEU0 192 srl %i0, 0, %o0 ! IEU0
193 sll %g1, 2, %l4 ! IEU0 Group 193 sll %g1, 2, %l4 ! IEU0 Group
@@ -198,7 +198,7 @@ linux_sparc_syscall32:
198 198
199 srl %i5, 0, %o5 ! IEU1 199 srl %i5, 0, %o5 ! IEU1
200 srl %i2, 0, %o2 ! IEU0 Group 200 srl %i2, 0, %o2 ! IEU0 Group
201 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 201 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
202 bne,pn %icc, linux_syscall_trace32 ! CTI 202 bne,pn %icc, linux_syscall_trace32 ! CTI
203 mov %i0, %l5 ! IEU1 203 mov %i0, %l5 ! IEU1
204 call %l7 ! CTI Group brk forced 204 call %l7 ! CTI Group brk forced
@@ -210,7 +210,7 @@ linux_sparc_syscall32:
210 .globl linux_sparc_syscall 210 .globl linux_sparc_syscall
211linux_sparc_syscall: 211linux_sparc_syscall:
212 /* Direct access to user regs, much faster. */ 212 /* Direct access to user regs, much faster. */
213 cmp %g1, NR_SYSCALLS ! IEU1 Group 213 cmp %g1, NR_syscalls ! IEU1 Group
214 bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI 214 bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
215 mov %i0, %o0 ! IEU0 215 mov %i0, %o0 ! IEU0
216 sll %g1, 2, %l4 ! IEU0 Group 216 sll %g1, 2, %l4 ! IEU0 Group
@@ -221,7 +221,7 @@ linux_sparc_syscall:
221 221
222 mov %i3, %o3 ! IEU1 222 mov %i3, %o3 ! IEU1
223 mov %i4, %o4 ! IEU0 Group 223 mov %i4, %o4 ! IEU0 Group
224 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0 224 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
225 bne,pn %icc, linux_syscall_trace ! CTI Group 225 bne,pn %icc, linux_syscall_trace ! CTI Group
226 mov %i0, %l5 ! IEU0 226 mov %i0, %l5 ! IEU0
2272: call %l7 ! CTI Group brk forced 2272: call %l7 ! CTI Group brk forced
@@ -245,7 +245,7 @@ ret_sys_call:
245 245
246 cmp %o0, -ERESTART_RESTARTBLOCK 246 cmp %o0, -ERESTART_RESTARTBLOCK
247 bgeu,pn %xcc, 1f 247 bgeu,pn %xcc, 1f
248 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 248 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
24980: 24980:
250 /* System call success, clear Carry condition code. */ 250 /* System call success, clear Carry condition code. */
251 andn %g3, %g2, %g3 251 andn %g3, %g2, %g3
@@ -260,7 +260,7 @@ ret_sys_call:
260 /* System call failure, set Carry condition code. 260 /* System call failure, set Carry condition code.
261 * Also, get abs(errno) to return to the process. 261 * Also, get abs(errno) to return to the process.
262 */ 262 */
263 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6 263 andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
264 sub %g0, %o0, %o0 264 sub %g0, %o0, %o0
265 or %g3, %g2, %g3 265 or %g3, %g2, %g3
266 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0] 266 stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index a63c5d2d9849..d2f999ae2b85 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -9,7 +9,6 @@
9struct new_utsname; 9struct new_utsname;
10 10
11extern asmlinkage unsigned long sys_getpagesize(void); 11extern asmlinkage unsigned long sys_getpagesize(void);
12extern asmlinkage unsigned long sparc_brk(unsigned long brk);
13extern asmlinkage long sparc_pipe(struct pt_regs *regs); 12extern asmlinkage long sparc_pipe(struct pt_regs *regs);
14extern asmlinkage long sys_ipc(unsigned int call, int first, 13extern asmlinkage long sys_ipc(unsigned int call, int first,
15 unsigned long second, 14 unsigned long second,
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 0f1658d37490..801fc8e5a0e8 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -19,7 +19,7 @@ sys_call_table:
19/*0*/ .long sys_restart_syscall, sys_exit, sys_fork, sys_read, sys_write 19/*0*/ .long sys_restart_syscall, sys_exit, sys_fork, sys_read, sys_write
20/*5*/ .long sys_open, sys_close, sys_wait4, sys_creat, sys_link 20/*5*/ .long sys_open, sys_close, sys_wait4, sys_creat, sys_link
21/*10*/ .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod 21/*10*/ .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
22/*15*/ .long sys_chmod, sys_lchown16, sparc_brk, sys_nis_syscall, sys_lseek 22/*15*/ .long sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys_lseek
23/*20*/ .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 23/*20*/ .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
24/*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause 24/*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
25/*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice 25/*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
@@ -67,7 +67,7 @@ sys_call_table:
67/*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall 67/*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
68/*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler 68/*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
69/*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep 69/*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
70/*250*/ .long sparc_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl 70/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
71/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep 71/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
72/*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun 72/*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
73/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy 73/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
@@ -82,5 +82,5 @@ sys_call_table:
82/*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate 82/*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
83/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 83/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
84/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv 84/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
85/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open 85/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
86 86
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 009825f6e73c..e575b46bd7a9 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -21,7 +21,7 @@ sys_call_table32:
21/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write 21/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
22/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link 22/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
23/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod 23/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
24/*15*/ .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek 24/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek
25/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 25/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
26/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause 26/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
27/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice 27/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@@ -68,7 +68,7 @@ sys_call_table32:
68 .word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall 68 .word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall
69/*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler 69/*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler
70 .word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep 70 .word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
71/*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl 71/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
72 .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep 72 .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
73/*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun 73/*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
74 .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy 74 .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
@@ -83,7 +83,7 @@ sys_call_table32:
83/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate 83/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
84 .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 84 .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
85/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv 85/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
86 .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open 86 .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg
87 87
88#endif /* CONFIG_COMPAT */ 88#endif /* CONFIG_COMPAT */
89 89
@@ -96,7 +96,7 @@ sys_call_table:
96/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write 96/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
97/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link 97/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
98/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod 98/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
99/*15*/ .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek 99/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek
100/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid 100/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
101/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall 101/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
102/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice 102/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
@@ -158,4 +158,4 @@ sys_call_table:
158/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate 158/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
159 .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 159 .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
160/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv 160/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
161 .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open 161 .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 614ac7b4a9dd..5b2f595fe65b 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -210,9 +210,6 @@ static void __init sbus_time_init(void)
210 btfixup(); 210 btfixup();
211 211
212 sparc_init_timers(timer_interrupt); 212 sparc_init_timers(timer_interrupt);
213
214 /* Now that OBP ticker has been silenced, it is safe to enable IRQ. */
215 local_irq_enable();
216} 213}
217 214
218void __init time_init(void) 215void __init time_init(void)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index da1218e8ee87..67e165102885 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -774,26 +774,9 @@ void __devinit setup_sparc64_timer(void)
774static struct clocksource clocksource_tick = { 774static struct clocksource clocksource_tick = {
775 .rating = 100, 775 .rating = 100,
776 .mask = CLOCKSOURCE_MASK(64), 776 .mask = CLOCKSOURCE_MASK(64),
777 .shift = 16,
778 .flags = CLOCK_SOURCE_IS_CONTINUOUS, 777 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
779}; 778};
780 779
781static void __init setup_clockevent_multiplier(unsigned long hz)
782{
783 unsigned long mult, shift = 32;
784
785 while (1) {
786 mult = div_sc(hz, NSEC_PER_SEC, shift);
787 if (mult && (mult >> 32UL) == 0UL)
788 break;
789
790 shift--;
791 }
792
793 sparc64_clockevent.shift = shift;
794 sparc64_clockevent.mult = mult;
795}
796
797static unsigned long tb_ticks_per_usec __read_mostly; 780static unsigned long tb_ticks_per_usec __read_mostly;
798 781
799void __delay(unsigned long loops) 782void __delay(unsigned long loops)
@@ -828,9 +811,7 @@ void __init time_init(void)
828 clocksource_hz2mult(freq, SPARC64_NSEC_PER_CYC_SHIFT); 811 clocksource_hz2mult(freq, SPARC64_NSEC_PER_CYC_SHIFT);
829 812
830 clocksource_tick.name = tick_ops->name; 813 clocksource_tick.name = tick_ops->name;
831 clocksource_tick.mult = 814 clocksource_calc_mult_shift(&clocksource_tick, freq, 4);
832 clocksource_hz2mult(freq,
833 clocksource_tick.shift);
834 clocksource_tick.read = clocksource_tick_read; 815 clocksource_tick.read = clocksource_tick_read;
835 816
836 printk("clocksource: mult[%x] shift[%d]\n", 817 printk("clocksource: mult[%x] shift[%d]\n",
@@ -839,15 +820,14 @@ void __init time_init(void)
839 clocksource_register(&clocksource_tick); 820 clocksource_register(&clocksource_tick);
840 821
841 sparc64_clockevent.name = tick_ops->name; 822 sparc64_clockevent.name = tick_ops->name;
842 823 clockevents_calc_mult_shift(&sparc64_clockevent, freq, 4);
843 setup_clockevent_multiplier(freq);
844 824
845 sparc64_clockevent.max_delta_ns = 825 sparc64_clockevent.max_delta_ns =
846 clockevent_delta2ns(0x7fffffffffffffffUL, &sparc64_clockevent); 826 clockevent_delta2ns(0x7fffffffffffffffUL, &sparc64_clockevent);
847 sparc64_clockevent.min_delta_ns = 827 sparc64_clockevent.min_delta_ns =
848 clockevent_delta2ns(0xF, &sparc64_clockevent); 828 clockevent_delta2ns(0xF, &sparc64_clockevent);
849 829
850 printk("clockevent: mult[%lx] shift[%d]\n", 830 printk("clockevent: mult[%x] shift[%d]\n",
851 sparc64_clockevent.mult, sparc64_clockevent.shift); 831 sparc64_clockevent.mult, sparc64_clockevent.shift);
852 832
853 setup_sparc64_timer(); 833 setup_sparc64_timer();
diff --git a/arch/sparc/kernel/trampoline_32.S b/arch/sparc/kernel/trampoline_32.S
index 5e235c52d667..691f484e03b3 100644
--- a/arch/sparc/kernel/trampoline_32.S
+++ b/arch/sparc/kernel/trampoline_32.S
@@ -15,7 +15,7 @@
15#include <asm/contregs.h> 15#include <asm/contregs.h>
16#include <asm/thread_info.h> 16#include <asm/thread_info.h>
17 17
18 .globl sun4m_cpu_startup, __smp4m_processor_id 18 .globl sun4m_cpu_startup, __smp4m_processor_id, __leon_processor_id
19 .globl sun4d_cpu_startup, __smp4d_processor_id 19 .globl sun4d_cpu_startup, __smp4d_processor_id
20 20
21 __CPUINIT 21 __CPUINIT
@@ -106,6 +106,12 @@ __smp4d_processor_id:
106 retl 106 retl
107 mov %g1, %o7 107 mov %g1, %o7
108 108
109__leon_processor_id:
110 rd %asr17,%g2
111 srl %g2,28,%g2
112 retl
113 mov %g1, %o7
114
109/* CPUID in bootbus can be found at PA 0xff0140000 */ 115/* CPUID in bootbus can be found at PA 0xff0140000 */
110#define SUN4D_BOOTBUS_CPUID 0xf0140000 116#define SUN4D_BOOTBUS_CPUID 0xf0140000
111 117
@@ -160,3 +166,64 @@ sun4d_cpu_startup:
160 nop 166 nop
161 167
162 b,a smp_do_cpu_idle 168 b,a smp_do_cpu_idle
169
170#ifdef CONFIG_SPARC_LEON
171
172 __CPUINIT
173 .align 4
174 .global leon_smp_cpu_startup, smp_penguin_ctable
175
176leon_smp_cpu_startup:
177
178 set smp_penguin_ctable,%g1
179 ld [%g1+4],%g1
180 srl %g1,4,%g1
181 set 0x00000100,%g5 /* SRMMU_CTXTBL_PTR */
182 sta %g1, [%g5] ASI_M_MMUREGS
183
184 /* Set up a sane %psr -- PIL<0xf> S<0x1> PS<0x1> CWP<0x0> */
185 set (PSR_PIL | PSR_S | PSR_PS), %g1
186 wr %g1, 0x0, %psr ! traps off though
187 WRITE_PAUSE
188
189 /* Our %wim is one behind CWP */
190 mov 2, %g1
191 wr %g1, 0x0, %wim
192 WRITE_PAUSE
193
194 /* Set tbr - we use just one trap table. */
195 set trapbase, %g1
196 wr %g1, 0x0, %tbr
197 WRITE_PAUSE
198
199 /* Get our CPU id */
200 rd %asr17,%g3
201
202 /* Give ourselves a stack and curptr. */
203 set current_set, %g5
204 srl %g3, 28, %g4
205 sll %g4, 2, %g4
206 ld [%g5 + %g4], %g6
207
208 sethi %hi(THREAD_SIZE - STACKFRAME_SZ), %sp
209 or %sp, %lo(THREAD_SIZE - STACKFRAME_SZ), %sp
210 add %g6, %sp, %sp
211
212 /* Turn on traps (PSR_ET). */
213 rd %psr, %g1
214 wr %g1, PSR_ET, %psr ! traps on
215 WRITE_PAUSE
216
217 /* Init our caches, etc. */
218 set poke_srmmu, %g5
219 ld [%g5], %g5
220 call %g5
221 nop
222
223 /* Start this processor. */
224 call leon_callin
225 nop
226
227 b,a smp_do_cpu_idle
228
229#endif
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index 6b1e6cde6fff..f8514e291e15 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -17,8 +17,7 @@
17#include <asm/uaccess.h> 17#include <asm/uaccess.h>
18#include <linux/smp.h> 18#include <linux/smp.h>
19#include <linux/smp_lock.h> 19#include <linux/smp_lock.h>
20 20#include <linux/perf_event.h>
21/* #define DEBUG_MNA */
22 21
23enum direction { 22enum direction {
24 load, /* ld, ldd, ldh, ldsh */ 23 load, /* ld, ldd, ldh, ldsh */
@@ -29,12 +28,6 @@ enum direction {
29 invalid, 28 invalid,
30}; 29};
31 30
32#ifdef DEBUG_MNA
33static char *dirstrings[] = {
34 "load", "store", "both", "fpload", "fpstore", "invalid"
35};
36#endif
37
38static inline enum direction decode_direction(unsigned int insn) 31static inline enum direction decode_direction(unsigned int insn)
39{ 32{
40 unsigned long tmp = (insn >> 21) & 1; 33 unsigned long tmp = (insn >> 21) & 1;
@@ -255,10 +248,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
255 unsigned long addr = compute_effective_address(regs, insn); 248 unsigned long addr = compute_effective_address(regs, insn);
256 int err; 249 int err;
257 250
258#ifdef DEBUG_MNA 251 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
259 printk("KMNA: pc=%08lx [dir=%s addr=%08lx size=%d] retpc[%08lx]\n",
260 regs->pc, dirstrings[dir], addr, size, regs->u_regs[UREG_RETPC]);
261#endif
262 switch (dir) { 252 switch (dir) {
263 case load: 253 case load:
264 err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f), 254 err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f),
@@ -350,6 +340,7 @@ asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn)
350 } 340 }
351 341
352 addr = compute_effective_address(regs, insn); 342 addr = compute_effective_address(regs, insn);
343 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
353 switch(dir) { 344 switch(dir) {
354 case load: 345 case load:
355 err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f), 346 err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f),
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 379209982a07..378ca82b9ccc 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -20,10 +20,9 @@
20#include <asm/uaccess.h> 20#include <asm/uaccess.h>
21#include <linux/smp.h> 21#include <linux/smp.h>
22#include <linux/bitops.h> 22#include <linux/bitops.h>
23#include <linux/perf_event.h>
23#include <asm/fpumacro.h> 24#include <asm/fpumacro.h>
24 25
25/* #define DEBUG_MNA */
26
27enum direction { 26enum direction {
28 load, /* ld, ldd, ldh, ldsh */ 27 load, /* ld, ldd, ldh, ldsh */
29 store, /* st, std, sth, stsh */ 28 store, /* st, std, sth, stsh */
@@ -33,12 +32,6 @@ enum direction {
33 invalid, 32 invalid,
34}; 33};
35 34
36#ifdef DEBUG_MNA
37static char *dirstrings[] = {
38 "load", "store", "both", "fpload", "fpstore", "invalid"
39};
40#endif
41
42static inline enum direction decode_direction(unsigned int insn) 35static inline enum direction decode_direction(unsigned int insn)
43{ 36{
44 unsigned long tmp = (insn >> 21) & 1; 37 unsigned long tmp = (insn >> 21) & 1;
@@ -327,12 +320,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
327 320
328 addr = compute_effective_address(regs, insn, 321 addr = compute_effective_address(regs, insn,
329 ((insn >> 25) & 0x1f)); 322 ((insn >> 25) & 0x1f));
330#ifdef DEBUG_MNA 323 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
331 printk("KMNA: pc=%016lx [dir=%s addr=%016lx size=%d] "
332 "retpc[%016lx]\n",
333 regs->tpc, dirstrings[dir], addr, size,
334 regs->u_regs[UREG_RETPC]);
335#endif
336 switch (asi) { 324 switch (asi) {
337 case ASI_NL: 325 case ASI_NL:
338 case ASI_AIUPL: 326 case ASI_AIUPL:
@@ -399,6 +387,7 @@ int handle_popc(u32 insn, struct pt_regs *regs)
399 int ret, i, rd = ((insn >> 25) & 0x1f); 387 int ret, i, rd = ((insn >> 25) & 0x1f);
400 int from_kernel = (regs->tstate & TSTATE_PRIV) != 0; 388 int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
401 389
390 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
402 if (insn & 0x2000) { 391 if (insn & 0x2000) {
403 maybe_flush_windows(0, 0, rd, from_kernel); 392 maybe_flush_windows(0, 0, rd, from_kernel);
404 value = sign_extend_imm13(insn); 393 value = sign_extend_imm13(insn);
@@ -445,6 +434,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs)
445 int asi = decode_asi(insn, regs); 434 int asi = decode_asi(insn, regs);
446 int flag = (freg < 32) ? FPRS_DL : FPRS_DU; 435 int flag = (freg < 32) ? FPRS_DL : FPRS_DU;
447 436
437 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
438
448 save_and_clear_fpu(); 439 save_and_clear_fpu();
449 current_thread_info()->xfsr[0] &= ~0x1c000; 440 current_thread_info()->xfsr[0] &= ~0x1c000;
450 if (freg & 3) { 441 if (freg & 3) {
@@ -566,6 +557,8 @@ void handle_ld_nf(u32 insn, struct pt_regs *regs)
566 int from_kernel = (regs->tstate & TSTATE_PRIV) != 0; 557 int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
567 unsigned long *reg; 558 unsigned long *reg;
568 559
560 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
561
569 maybe_flush_windows(0, 0, rd, from_kernel); 562 maybe_flush_windows(0, 0, rd, from_kernel);
570 reg = fetch_reg_addr(rd, regs); 563 reg = fetch_reg_addr(rd, regs);
571 if (from_kernel || rd < 16) { 564 if (from_kernel || rd < 16) {
@@ -596,6 +589,7 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr
596 589
597 if (tstate & TSTATE_PRIV) 590 if (tstate & TSTATE_PRIV)
598 die_if_kernel("lddfmna from kernel", regs); 591 die_if_kernel("lddfmna from kernel", regs);
592 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, sfar);
599 if (test_thread_flag(TIF_32BIT)) 593 if (test_thread_flag(TIF_32BIT))
600 pc = (u32)pc; 594 pc = (u32)pc;
601 if (get_user(insn, (u32 __user *) pc) != -EFAULT) { 595 if (get_user(insn, (u32 __user *) pc) != -EFAULT) {
@@ -657,6 +651,7 @@ void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr
657 651
658 if (tstate & TSTATE_PRIV) 652 if (tstate & TSTATE_PRIV)
659 die_if_kernel("stdfmna from kernel", regs); 653 die_if_kernel("stdfmna from kernel", regs);
654 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, sfar);
660 if (test_thread_flag(TIF_32BIT)) 655 if (test_thread_flag(TIF_32BIT))
661 pc = (u32)pc; 656 pc = (u32)pc;
662 if (get_user(insn, (u32 __user *) pc) != -EFAULT) { 657 if (get_user(insn, (u32 __user *) pc) != -EFAULT) {
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index d231cbd5c526..9dfd2ebcb157 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -5,6 +5,7 @@
5#include <linux/kernel.h> 5#include <linux/kernel.h>
6#include <linux/errno.h> 6#include <linux/errno.h>
7#include <linux/thread_info.h> 7#include <linux/thread_info.h>
8#include <linux/perf_event.h>
8 9
9#include <asm/ptrace.h> 10#include <asm/ptrace.h>
10#include <asm/pstate.h> 11#include <asm/pstate.h>
@@ -801,6 +802,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
801 802
802 BUG_ON(regs->tstate & TSTATE_PRIV); 803 BUG_ON(regs->tstate & TSTATE_PRIV);
803 804
805 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
806
804 if (test_thread_flag(TIF_32BIT)) 807 if (test_thread_flag(TIF_32BIT))
805 pc = (u32)pc; 808 pc = (u32)pc;
806 809
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 10:32:52 -0500