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authorDavid S. Miller <davem@davemloft.net>2009-11-19 01:19:03 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-19 01:19:03 -0500
commit3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch)
tree941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /arch/m32r
parentdfef948ed2ba69cf041840b5e860d6b4e16fa0b1 (diff)
parent66b00a7c93ec782d118d2c03bd599cfd041e80a1 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
Diffstat (limited to 'arch/m32r')
-rw-r--r--arch/m32r/Kconfig3
-rw-r--r--arch/m32r/boot/compressed/Makefile18
-rw-r--r--arch/m32r/boot/compressed/misc.c143
-rw-r--r--arch/m32r/kernel/smp.c3
-rw-r--r--arch/m32r/kernel/time.c6
-rw-r--r--arch/m32r/kernel/vmlinux.lds.S2
6 files changed, 50 insertions, 125 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index c41234f1b825..3a9319f93e89 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -11,6 +11,9 @@ config M32R
11 select HAVE_IDE 11 select HAVE_IDE
12 select HAVE_OPROFILE 12 select HAVE_OPROFILE
13 select INIT_ALL_POSSIBLE 13 select INIT_ALL_POSSIBLE
14 select HAVE_KERNEL_GZIP
15 select HAVE_KERNEL_BZIP2
16 select HAVE_KERNEL_LZMA
14 17
15config SBUS 18config SBUS
16 bool 19 bool
diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile
index 560484ae35ec..177716b1d613 100644
--- a/arch/m32r/boot/compressed/Makefile
+++ b/arch/m32r/boot/compressed/Makefile
@@ -1,11 +1,11 @@
1# 1#
2# linux/arch/sh/boot/compressed/Makefile 2# linux/arch/m32r/boot/compressed/Makefile
3# 3#
4# create a compressed vmlinux image from the original vmlinux 4# create a compressed vmlinux image from the original vmlinux
5# 5#
6 6
7targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o \ 7targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
8 piggy.o vmlinux.lds 8 vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds
9 9
10OBJECTS = $(obj)/head.o $(obj)/misc.o 10OBJECTS = $(obj)/head.o $(obj)/misc.o
11 11
@@ -27,6 +27,12 @@ $(obj)/vmlinux.bin: vmlinux FORCE
27$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 27$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
28 $(call if_changed,gzip) 28 $(call if_changed,gzip)
29 29
30$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
31 $(call if_changed,bzip2)
32
33$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
34 $(call if_changed,lzma)
35
30CFLAGS_misc.o += -fpic 36CFLAGS_misc.o += -fpic
31 37
32ifdef CONFIG_MMU 38ifdef CONFIG_MMU
@@ -37,5 +43,9 @@ endif
37 43
38OBJCOPYFLAGS += -R .empty_zero_page 44OBJCOPYFLAGS += -R .empty_zero_page
39 45
40$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE 46suffix_$(CONFIG_KERNEL_GZIP) = gz
47suffix_$(CONFIG_KERNEL_BZIP2) = bz2
48suffix_$(CONFIG_KERNEL_LZMA) = lzma
49
50$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
41 $(call if_changed,ld) 51 $(call if_changed,ld)
diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c
index d394292498c0..370d60881977 100644
--- a/arch/m32r/boot/compressed/misc.c
+++ b/arch/m32r/boot/compressed/misc.c
@@ -9,140 +9,49 @@
9 * Adapted for SH by Stuart Menefy, Aug 1999 9 * Adapted for SH by Stuart Menefy, Aug 1999
10 * 10 *
11 * 2003-02-12: Support M32R by Takeo Takahashi 11 * 2003-02-12: Support M32R by Takeo Takahashi
12 * This is based on arch/sh/boot/compressed/misc.c.
13 */ 12 */
14 13
15#include <linux/string.h>
16
17/* 14/*
18 * gzip declarations 15 * gzip declarations
19 */ 16 */
20
21#define OF(args) args
22#define STATIC static 17#define STATIC static
23 18
24#undef memset 19#undef memset
25#undef memcpy 20#undef memcpy
26#define memzero(s, n) memset ((s), 0, (n)) 21#define memzero(s, n) memset ((s), 0, (n))
27 22
28typedef unsigned char uch;
29typedef unsigned short ush;
30typedef unsigned long ulg;
31
32#define WSIZE 0x8000 /* Window size must be at least 32k, */
33 /* and a power of two */
34
35static uch *inbuf; /* input buffer */
36static uch window[WSIZE]; /* Sliding window buffer */
37
38static unsigned insize = 0; /* valid bytes in inbuf */
39static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
40static unsigned outcnt = 0; /* bytes in output buffer */
41
42/* gzip flag byte */
43#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
44#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
45#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
46#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
47#define COMMENT 0x10 /* bit 4 set: file comment present */
48#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
49#define RESERVED 0xC0 /* bit 6,7: reserved */
50
51#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
52
53/* Diagnostic functions */
54#ifdef DEBUG
55# define Assert(cond,msg) {if(!(cond)) error(msg);}
56# define Trace(x) fprintf x
57# define Tracev(x) {if (verbose) fprintf x ;}
58# define Tracevv(x) {if (verbose>1) fprintf x ;}
59# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
60# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
61#else
62# define Assert(cond,msg)
63# define Trace(x)
64# define Tracev(x)
65# define Tracevv(x)
66# define Tracec(c,x)
67# define Tracecv(c,x)
68#endif
69
70static int fill_inbuf(void);
71static void flush_window(void);
72static void error(char *m); 23static void error(char *m);
73 24
74static unsigned char *input_data;
75static int input_len;
76
77static long bytes_out = 0;
78static uch *output_data;
79static unsigned long output_ptr = 0;
80
81#include "m32r_sio.c" 25#include "m32r_sio.c"
82 26
83static unsigned long free_mem_ptr; 27static unsigned long free_mem_ptr;
84static unsigned long free_mem_end_ptr; 28static unsigned long free_mem_end_ptr;
85 29
86#define HEAP_SIZE 0x10000 30#ifdef CONFIG_KERNEL_BZIP2
87 31static void *memset(void *s, int c, size_t n)
88#include "../../../../lib/inflate.c"
89
90void* memset(void* s, int c, size_t n)
91{ 32{
92 int i; 33 char *ss = s;
93 char *ss = (char*)s;
94 34
95 for (i=0;i<n;i++) ss[i] = c; 35 while (n--)
36 *ss++ = c;
96 return s; 37 return s;
97} 38}
39#endif
98 40
99void* memcpy(void* __dest, __const void* __src, 41#ifdef CONFIG_KERNEL_GZIP
100 size_t __n) 42#define BOOT_HEAP_SIZE 0x10000
101{ 43#include "../../../../lib/decompress_inflate.c"
102 int i; 44#endif
103 char *d = (char *)__dest, *s = (char *)__src;
104
105 for (i=0;i<__n;i++) d[i] = s[i];
106 return __dest;
107}
108
109/* ===========================================================================
110 * Fill the input buffer. This is called only when the buffer is empty
111 * and at least one byte is really needed.
112 */
113static int fill_inbuf(void)
114{
115 if (insize != 0) {
116 error("ran out of input data");
117 }
118
119 inbuf = input_data;
120 insize = input_len;
121 inptr = 1;
122 return inbuf[0];
123}
124 45
125/* =========================================================================== 46#ifdef CONFIG_KERNEL_BZIP2
126 * Write the output window window[0..outcnt-1] and update crc and bytes_out. 47#define BOOT_HEAP_SIZE 0x400000
127 * (Used for the decompressed data only.) 48#include "../../../../lib/decompress_bunzip2.c"
128 */ 49#endif
129static void flush_window(void)
130{
131 ulg c = crc; /* temporary variable */
132 unsigned n;
133 uch *in, *out, ch;
134 50
135 in = window; 51#ifdef CONFIG_KERNEL_LZMA
136 out = &output_data[output_ptr]; 52#define BOOT_HEAP_SIZE 0x10000
137 for (n = 0; n < outcnt; n++) { 53#include "../../../../lib/decompress_unlzma.c"
138 ch = *out++ = *in++; 54#endif
139 c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
140 }
141 crc = c;
142 bytes_out += (ulg)outcnt;
143 output_ptr += (ulg)outcnt;
144 outcnt = 0;
145}
146 55
147static void error(char *x) 56static void error(char *x)
148{ 57{
@@ -153,20 +62,20 @@ static void error(char *x)
153 while(1); /* Halt */ 62 while(1); /* Halt */
154} 63}
155 64
156/* return decompressed size */
157void 65void
158decompress_kernel(int mmu_on, unsigned char *zimage_data, 66decompress_kernel(int mmu_on, unsigned char *zimage_data,
159 unsigned int zimage_len, unsigned long heap) 67 unsigned int zimage_len, unsigned long heap)
160{ 68{
69 unsigned char *input_data = zimage_data;
70 int input_len = zimage_len;
71 unsigned char *output_data;
72
161 output_data = (unsigned char *)CONFIG_MEMORY_START + 0x2000 73 output_data = (unsigned char *)CONFIG_MEMORY_START + 0x2000
162 + (mmu_on ? 0x80000000 : 0); 74 + (mmu_on ? 0x80000000 : 0);
163 free_mem_ptr = heap; 75 free_mem_ptr = heap;
164 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; 76 free_mem_end_ptr = free_mem_ptr + BOOT_HEAP_SIZE;
165 input_data = zimage_data;
166 input_len = zimage_len;
167 77
168 makecrc(); 78 puts("\nDecompressing Linux... ");
169 puts("Uncompressing Linux... "); 79 decompress(input_data, input_len, NULL, NULL, output_data, NULL, error);
170 gunzip(); 80 puts("done.\nBooting the kernel.\n");
171 puts("Ok, booting the kernel.\n");
172} 81}
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
index 1b7598e6f6e8..31cef20b2996 100644
--- a/arch/m32r/kernel/smp.c
+++ b/arch/m32r/kernel/smp.c
@@ -17,6 +17,7 @@
17 17
18#include <linux/irq.h> 18#include <linux/irq.h>
19#include <linux/interrupt.h> 19#include <linux/interrupt.h>
20#include <linux/sched.h>
20#include <linux/spinlock.h> 21#include <linux/spinlock.h>
21#include <linux/mm.h> 22#include <linux/mm.h>
22#include <linux/smp.h> 23#include <linux/smp.h>
@@ -805,7 +806,7 @@ unsigned long send_IPI_mask_phys(cpumask_t physid_mask, int ipi_num,
805 806
806 if (mask & ~physids_coerce(phys_cpu_present_map)) 807 if (mask & ~physids_coerce(phys_cpu_present_map))
807 BUG(); 808 BUG();
808 if (ipi_num >= NR_IPIS) 809 if (ipi_num >= NR_IPIS || ipi_num < 0)
809 BUG(); 810 BUG();
810 811
811 mask <<= IPI_SHIFT; 812 mask <<= IPI_SHIFT;
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index e7fee0f198d5..9cedcef11575 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -75,7 +75,7 @@ u32 arch_gettimeoffset(void)
75 count = 0; 75 count = 0;
76 76
77 count = (latch - count) * TICK_SIZE; 77 count = (latch - count) * TICK_SIZE;
78 elapsed_time = (count + latch / 2) / latch; 78 elapsed_time = DIV_ROUND_CLOSEST(count, latch);
79 /* NOTE: LATCH is equal to the "interval" value (= reload count). */ 79 /* NOTE: LATCH is equal to the "interval" value (= reload count). */
80 80
81#else /* CONFIG_SMP */ 81#else /* CONFIG_SMP */
@@ -93,7 +93,7 @@ u32 arch_gettimeoffset(void)
93 p_count = count; 93 p_count = count;
94 94
95 count = (latch - count) * TICK_SIZE; 95 count = (latch - count) * TICK_SIZE;
96 elapsed_time = (count + latch / 2) / latch; 96 elapsed_time = DIV_ROUND_CLOSEST(count, latch);
97 /* NOTE: LATCH is equal to the "interval" value (= reload count). */ 97 /* NOTE: LATCH is equal to the "interval" value (= reload count). */
98#endif /* CONFIG_SMP */ 98#endif /* CONFIG_SMP */
99#elif defined(CONFIG_CHIP_M32310) 99#elif defined(CONFIG_CHIP_M32310)
@@ -211,7 +211,7 @@ void __init time_init(void)
211 211
212 bus_clock = boot_cpu_data.bus_clock; 212 bus_clock = boot_cpu_data.bus_clock;
213 divide = boot_cpu_data.timer_divide; 213 divide = boot_cpu_data.timer_divide;
214 latch = (bus_clock/divide + HZ / 2) / HZ; 214 latch = DIV_ROUND_CLOSEST(bus_clock/divide, HZ);
215 215
216 printk("Timer start : latch = %ld\n", latch); 216 printk("Timer start : latch = %ld\n", latch);
217 217
diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S
index 8ceb6181d805..7da94eaa082b 100644
--- a/arch/m32r/kernel/vmlinux.lds.S
+++ b/arch/m32r/kernel/vmlinux.lds.S
@@ -42,6 +42,8 @@ SECTIONS
42 _etext = .; /* End of text section */ 42 _etext = .; /* End of text section */
43 43
44 EXCEPTION_TABLE(16) 44 EXCEPTION_TABLE(16)
45 NOTES
46
45 RODATA 47 RODATA
46 RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) 48 RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
47 _edata = .; /* End of data section */ 49 _edata = .; /* End of data section */