diff options
author | Paul Mackerras <paulus@samba.org> | 2005-10-10 00:19:43 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2005-10-10 00:19:43 -0400 |
commit | 9f04b9e327c495f8ddbf89c08da6cbe626e1b1b3 (patch) | |
tree | 381e9786b837085bd555c705542047f54cd2beab /include | |
parent | b60fc8bbd2d0ea2a9b1fc7271d521fcf47f27bfd (diff) |
powerpc: Merged processor.h.
This adds register definitions from the ppc64 processor.h to reg.h,
and makes a single merged processor.h. I moved __is_processor from
the ppc64 system.h to the merged reg.h along with the PVR register
constants.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-powerpc/processor.h (renamed from include/asm-ppc/processor.h) | 185 | ||||
-rw-r--r-- | include/asm-powerpc/reg.h | 281 | ||||
-rw-r--r-- | include/asm-ppc64/processor.h | 567 | ||||
-rw-r--r-- | include/asm-ppc64/system.h | 7 |
4 files changed, 353 insertions, 687 deletions
diff --git a/include/asm-ppc/processor.h b/include/asm-powerpc/processor.h index b05b5d9cae20..9592f533e058 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-powerpc/processor.h | |||
@@ -1,21 +1,28 @@ | |||
1 | #ifdef __KERNEL__ | 1 | #ifndef _ASM_POWERPC_PROCESSOR_H |
2 | #ifndef __ASM_PPC_PROCESSOR_H | 2 | #define _ASM_POWERPC_PROCESSOR_H |
3 | #define __ASM_PPC_PROCESSOR_H | ||
4 | 3 | ||
5 | /* | 4 | /* |
6 | * Default implementation of macro that returns current | 5 | * Copyright (C) 2001 PPC 64 Team, IBM Corp |
7 | * instruction pointer ("program counter"). | 6 | * |
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the License, or (at your option) any later version. | ||
8 | */ | 11 | */ |
9 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | ||
10 | 12 | ||
11 | #include <linux/config.h> | 13 | #include <linux/config.h> |
12 | #include <linux/stringify.h> | 14 | #include <asm/reg.h> |
13 | 15 | ||
16 | #ifndef __ASSEMBLY__ | ||
17 | #include <linux/compiler.h> | ||
14 | #include <asm/ptrace.h> | 18 | #include <asm/ptrace.h> |
15 | #include <asm/types.h> | 19 | #include <asm/types.h> |
16 | #include <asm/mpc8xx.h> | 20 | #ifdef CONFIG_PPC64 |
17 | #include <asm/reg.h> | 21 | #include <asm/systemcfg.h> |
22 | #endif | ||
18 | 23 | ||
24 | #ifdef CONFIG_PPC32 | ||
25 | /* 32-bit platform types */ | ||
19 | /* We only need to define a new _MACH_xxx for machines which are part of | 26 | /* We only need to define a new _MACH_xxx for machines which are part of |
20 | * a configuration which supports more than one type of different machine. | 27 | * a configuration which supports more than one type of different machine. |
21 | * This is currently limited to CONFIG_PPC_MULTIPLATFORM and CHRP/PReP/PMac. | 28 | * This is currently limited to CONFIG_PPC_MULTIPLATFORM and CHRP/PReP/PMac. |
@@ -36,20 +43,6 @@ | |||
36 | #define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */ | 43 | #define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */ |
37 | #define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */ | 44 | #define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */ |
38 | 45 | ||
39 | #define _GLOBAL(n)\ | ||
40 | .stabs __stringify(n:F-1),N_FUN,0,0,n;\ | ||
41 | .globl n;\ | ||
42 | n: | ||
43 | |||
44 | /* | ||
45 | * this is the minimum allowable io space due to the location | ||
46 | * of the io areas on prep (first one at 0x80000000) but | ||
47 | * as soon as I get around to remapping the io areas with the BATs | ||
48 | * to match the mac we can raise this. -- Cort | ||
49 | */ | ||
50 | #define TASK_SIZE (CONFIG_TASK_SIZE) | ||
51 | |||
52 | #ifndef __ASSEMBLY__ | ||
53 | #ifdef CONFIG_PPC_MULTIPLATFORM | 46 | #ifdef CONFIG_PPC_MULTIPLATFORM |
54 | extern int _machine; | 47 | extern int _machine; |
55 | 48 | ||
@@ -67,17 +60,49 @@ extern unsigned char ucBoardRevMaj, ucBoardRevMin; | |||
67 | #else | 60 | #else |
68 | #define _machine 0 | 61 | #define _machine 0 |
69 | #endif /* CONFIG_PPC_MULTIPLATFORM */ | 62 | #endif /* CONFIG_PPC_MULTIPLATFORM */ |
63 | #endif /* CONFIG_PPC32 */ | ||
64 | |||
65 | #ifdef CONFIG_PPC64 | ||
66 | /* Platforms supported by PPC64 */ | ||
67 | #define PLATFORM_PSERIES 0x0100 | ||
68 | #define PLATFORM_PSERIES_LPAR 0x0101 | ||
69 | #define PLATFORM_ISERIES_LPAR 0x0201 | ||
70 | #define PLATFORM_LPAR 0x0001 | ||
71 | #define PLATFORM_POWERMAC 0x0400 | ||
72 | #define PLATFORM_MAPLE 0x0500 | ||
73 | #define PLATFORM_BPA 0x1000 | ||
74 | |||
75 | /* Compatibility with drivers coming from PPC32 world */ | ||
76 | #define _machine (systemcfg->platform) | ||
77 | #define _MACH_Pmac PLATFORM_POWERMAC | ||
78 | #endif | ||
79 | |||
80 | /* | ||
81 | * Default implementation of macro that returns current | ||
82 | * instruction pointer ("program counter"). | ||
83 | */ | ||
84 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | ||
85 | |||
86 | /* Macros for adjusting thread priority (hardware multi-threading) */ | ||
87 | #define HMT_very_low() asm volatile("or 31,31,31 # very low priority") | ||
88 | #define HMT_low() asm volatile("or 1,1,1 # low priority") | ||
89 | #define HMT_medium_low() asm volatile("or 6,6,6 # medium low priority") | ||
90 | #define HMT_medium() asm volatile("or 2,2,2 # medium priority") | ||
91 | #define HMT_medium_high() asm volatile("or 5,5,5 # medium high priority") | ||
92 | #define HMT_high() asm volatile("or 3,3,3 # high priority") | ||
93 | |||
94 | #ifdef __KERNEL__ | ||
95 | |||
96 | extern int have_of; | ||
70 | 97 | ||
71 | struct task_struct; | 98 | struct task_struct; |
72 | void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp); | 99 | void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp); |
73 | void release_thread(struct task_struct *); | 100 | void release_thread(struct task_struct *); |
74 | 101 | ||
75 | /* Prepare to copy thread state - unlazy all lazy status */ | 102 | /* Prepare to copy thread state - unlazy all lazy status */ |
76 | extern void prepare_to_copy(struct task_struct *tsk); | 103 | extern void prepare_to_copy(struct task_struct *tsk); |
77 | 104 | ||
78 | /* | 105 | /* Create a new kernel thread. */ |
79 | * Create a new kernel thread. | ||
80 | */ | ||
81 | extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); | 106 | extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); |
82 | 107 | ||
83 | /* Lazy FPU handling on uni-processor */ | 108 | /* Lazy FPU handling on uni-processor */ |
@@ -85,10 +110,37 @@ extern struct task_struct *last_task_used_math; | |||
85 | extern struct task_struct *last_task_used_altivec; | 110 | extern struct task_struct *last_task_used_altivec; |
86 | extern struct task_struct *last_task_used_spe; | 111 | extern struct task_struct *last_task_used_spe; |
87 | 112 | ||
113 | #ifdef CONFIG_PPC32 | ||
114 | #define TASK_SIZE (CONFIG_TASK_SIZE) | ||
115 | |||
88 | /* This decides where the kernel will search for a free chunk of vm | 116 | /* This decides where the kernel will search for a free chunk of vm |
89 | * space during mmap's. | 117 | * space during mmap's. |
90 | */ | 118 | */ |
91 | #define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3) | 119 | #define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3) |
120 | #endif | ||
121 | |||
122 | #ifdef CONFIG_PPC64 | ||
123 | /* 64-bit user address space is 44-bits (16TB user VM) */ | ||
124 | #define TASK_SIZE_USER64 (0x0000100000000000UL) | ||
125 | |||
126 | /* | ||
127 | * 32-bit user address space is 4GB - 1 page | ||
128 | * (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT | ||
129 | */ | ||
130 | #define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE)) | ||
131 | |||
132 | #define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \ | ||
133 | TASK_SIZE_USER32 : TASK_SIZE_USER64) | ||
134 | |||
135 | /* This decides where the kernel will search for a free chunk of vm | ||
136 | * space during mmap's. | ||
137 | */ | ||
138 | #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4)) | ||
139 | #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4)) | ||
140 | |||
141 | #define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \ | ||
142 | TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 ) | ||
143 | #endif | ||
92 | 144 | ||
93 | typedef struct { | 145 | typedef struct { |
94 | unsigned long seg; | 146 | unsigned long seg; |
@@ -96,18 +148,31 @@ typedef struct { | |||
96 | 148 | ||
97 | struct thread_struct { | 149 | struct thread_struct { |
98 | unsigned long ksp; /* Kernel stack pointer */ | 150 | unsigned long ksp; /* Kernel stack pointer */ |
151 | #ifdef CONFIG_PPC64 | ||
152 | unsigned long ksp_vsid; | ||
153 | #endif | ||
99 | struct pt_regs *regs; /* Pointer to saved register state */ | 154 | struct pt_regs *regs; /* Pointer to saved register state */ |
100 | mm_segment_t fs; /* for get_fs() validation */ | 155 | mm_segment_t fs; /* for get_fs() validation */ |
156 | #ifdef CONFIG_PPC32 | ||
101 | void *pgdir; /* root of page-table tree */ | 157 | void *pgdir; /* root of page-table tree */ |
102 | int fpexc_mode; /* floating-point exception mode */ | ||
103 | signed long last_syscall; | 158 | signed long last_syscall; |
159 | #endif | ||
104 | #if defined(CONFIG_4xx) || defined (CONFIG_BOOKE) | 160 | #if defined(CONFIG_4xx) || defined (CONFIG_BOOKE) |
105 | unsigned long dbcr0; /* debug control register values */ | 161 | unsigned long dbcr0; /* debug control register values */ |
106 | unsigned long dbcr1; | 162 | unsigned long dbcr1; |
107 | #endif | 163 | #endif |
108 | double fpr[32]; /* Complete floating point set */ | 164 | double fpr[32]; /* Complete floating point set */ |
165 | #ifdef CONFIG_PPC32 | ||
109 | unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */ | 166 | unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */ |
167 | #endif | ||
110 | unsigned long fpscr; /* Floating point status */ | 168 | unsigned long fpscr; /* Floating point status */ |
169 | int fpexc_mode; /* floating-point exception mode */ | ||
170 | #ifdef CONFIG_PPC64 | ||
171 | unsigned long start_tb; /* Start purr when proc switched in */ | ||
172 | unsigned long accum_tb; /* Total accumilated purr for process */ | ||
173 | unsigned long vdso_base; /* base of the vDSO library */ | ||
174 | #endif | ||
175 | unsigned long dabr; /* Data address breakpoint register */ | ||
111 | #ifdef CONFIG_ALTIVEC | 176 | #ifdef CONFIG_ALTIVEC |
112 | /* Complete AltiVec register set */ | 177 | /* Complete AltiVec register set */ |
113 | vector128 vr[32] __attribute((aligned(16))); | 178 | vector128 vr[32] __attribute((aligned(16))); |
@@ -128,51 +193,58 @@ struct thread_struct { | |||
128 | 193 | ||
129 | #define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) | 194 | #define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) |
130 | 195 | ||
196 | |||
197 | #ifdef CONFIG_PPC32 | ||
131 | #define INIT_THREAD { \ | 198 | #define INIT_THREAD { \ |
132 | .ksp = INIT_SP, \ | 199 | .ksp = INIT_SP, \ |
133 | .fs = KERNEL_DS, \ | 200 | .fs = KERNEL_DS, \ |
134 | .pgdir = swapper_pg_dir, \ | 201 | .pgdir = swapper_pg_dir, \ |
135 | .fpexc_mode = MSR_FE0 | MSR_FE1, \ | 202 | .fpexc_mode = MSR_FE0 | MSR_FE1, \ |
136 | } | 203 | } |
204 | #else | ||
205 | #define INIT_THREAD { \ | ||
206 | .ksp = INIT_SP, \ | ||
207 | .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ | ||
208 | .fs = KERNEL_DS, \ | ||
209 | .fpr = {0}, \ | ||
210 | .fpscr = 0, \ | ||
211 | .fpexc_mode = MSR_FE0|MSR_FE1, \ | ||
212 | } | ||
213 | #endif | ||
137 | 214 | ||
138 | /* | 215 | /* |
139 | * Return saved PC of a blocked thread. For now, this is the "user" PC | 216 | * Return saved PC of a blocked thread. For now, this is the "user" PC |
140 | */ | 217 | */ |
141 | #define thread_saved_pc(tsk) \ | 218 | #define thread_saved_pc(tsk) \ |
142 | ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) | 219 | ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) |
143 | 220 | ||
144 | unsigned long get_wchan(struct task_struct *p); | 221 | unsigned long get_wchan(struct task_struct *p); |
145 | 222 | ||
146 | #define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) | 223 | #define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) |
147 | #define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0) | 224 | #define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0) |
148 | 225 | ||
149 | /* Get/set floating-point exception mode */ | 226 | /* Get/set floating-point exception mode */ |
150 | #define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr)) | 227 | #define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr)) |
151 | #define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val)) | 228 | #define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val)) |
152 | 229 | ||
153 | extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr); | 230 | extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr); |
154 | extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val); | 231 | extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val); |
155 | 232 | ||
156 | static inline unsigned int __unpack_fe01(unsigned int msr_bits) | 233 | static inline unsigned int __unpack_fe01(unsigned long msr_bits) |
157 | { | 234 | { |
158 | return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8); | 235 | return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8); |
159 | } | 236 | } |
160 | 237 | ||
161 | static inline unsigned int __pack_fe01(unsigned int fpmode) | 238 | static inline unsigned long __pack_fe01(unsigned int fpmode) |
162 | { | 239 | { |
163 | return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1); | 240 | return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1); |
164 | } | 241 | } |
165 | 242 | ||
166 | /* in process.c - for early bootup debug -- Cort */ | 243 | #ifdef CONFIG_PPC64 |
167 | int ll_printk(const char *, ...); | 244 | #define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0) |
168 | void ll_puts(const char *); | 245 | #else |
169 | |||
170 | /* In misc.c */ | ||
171 | void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); | ||
172 | |||
173 | #define have_of (_machine == _MACH_chrp || _machine == _MACH_Pmac) | ||
174 | |||
175 | #define cpu_relax() barrier() | 246 | #define cpu_relax() barrier() |
247 | #endif | ||
176 | 248 | ||
177 | /* | 249 | /* |
178 | * Prefetch macros. | 250 | * Prefetch macros. |
@@ -181,21 +253,28 @@ void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); | |||
181 | #define ARCH_HAS_PREFETCHW | 253 | #define ARCH_HAS_PREFETCHW |
182 | #define ARCH_HAS_SPINLOCK_PREFETCH | 254 | #define ARCH_HAS_SPINLOCK_PREFETCH |
183 | 255 | ||
184 | extern inline void prefetch(const void *x) | 256 | static inline void prefetch(const void *x) |
185 | { | 257 | { |
186 | __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x)); | 258 | if (unlikely(!x)) |
259 | return; | ||
260 | |||
261 | __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x)); | ||
187 | } | 262 | } |
188 | 263 | ||
189 | extern inline void prefetchw(const void *x) | 264 | static inline void prefetchw(const void *x) |
190 | { | 265 | { |
191 | __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x)); | 266 | if (unlikely(!x)) |
267 | return; | ||
268 | |||
269 | __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x)); | ||
192 | } | 270 | } |
193 | 271 | ||
194 | #define spin_lock_prefetch(x) prefetchw(x) | 272 | #define spin_lock_prefetch(x) prefetchw(x) |
195 | 273 | ||
196 | extern int emulate_altivec(struct pt_regs *regs); | 274 | #ifdef CONFIG_PPC64 |
197 | 275 | #define HAVE_ARCH_PICK_MMAP_LAYOUT | |
198 | #endif /* !__ASSEMBLY__ */ | 276 | #endif |
199 | 277 | ||
200 | #endif /* __ASM_PPC_PROCESSOR_H */ | ||
201 | #endif /* __KERNEL__ */ | 278 | #endif /* __KERNEL__ */ |
279 | #endif /* __ASSEMBLY__ */ | ||
280 | #endif /* _ASM_POWERPC_PROCESSOR_H */ | ||
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 1402a2dedffb..ff619630dff9 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h | |||
@@ -6,53 +6,95 @@ | |||
6 | * Implementations of the PowerPC Architecture (a.k.a. Green Book) here. | 6 | * Implementations of the PowerPC Architecture (a.k.a. Green Book) here. |
7 | */ | 7 | */ |
8 | 8 | ||
9 | #ifndef _ASM_POWERPC_REGS_H | 9 | #ifndef _ASM_POWERPC_REG_H |
10 | #define _ASM_POWERPC_REGS_H | 10 | #define _ASM_POWERPC_REG_H |
11 | #ifdef __KERNEL__ | 11 | #ifdef __KERNEL__ |
12 | 12 | ||
13 | #include <linux/stringify.h> | 13 | #include <linux/stringify.h> |
14 | #include <asm/cputable.h> | ||
14 | 15 | ||
15 | /* Pickup Book E specific registers. */ | 16 | /* Pickup Book E specific registers. */ |
16 | #if defined(CONFIG_BOOKE) || defined(CONFIG_40x) | 17 | #if defined(CONFIG_BOOKE) || defined(CONFIG_40x) |
17 | #include <asm/reg_booke.h> | 18 | #include <asm/reg_booke.h> |
18 | #endif | 19 | #endif |
19 | 20 | ||
20 | /* Machine State Register (MSR) Fields */ | 21 | #define MSR_SF_LG 63 /* Enable 64 bit mode */ |
21 | #define MSR_SF (1<<63) | 22 | #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */ |
22 | #define MSR_ISF (1<<61) | 23 | #define MSR_HV_LG 60 /* Hypervisor state */ |
23 | #define MSR_VEC (1<<25) /* Enable AltiVec */ | 24 | #define MSR_VEC_LG 25 /* Enable AltiVec */ |
24 | #define MSR_POW (1<<18) /* Enable Power Management */ | 25 | #define MSR_POW_LG 18 /* Enable Power Management */ |
25 | #define MSR_WE (1<<18) /* Wait State Enable */ | 26 | #define MSR_WE_LG 18 /* Wait State Enable */ |
26 | #define MSR_TGPR (1<<17) /* TLB Update registers in use */ | 27 | #define MSR_TGPR_LG 17 /* TLB Update registers in use */ |
27 | #define MSR_CE (1<<17) /* Critical Interrupt Enable */ | 28 | #define MSR_CE_LG 17 /* Critical Interrupt Enable */ |
28 | #define MSR_ILE (1<<16) /* Interrupt Little Endian */ | 29 | #define MSR_ILE_LG 16 /* Interrupt Little Endian */ |
29 | #define MSR_EE (1<<15) /* External Interrupt Enable */ | 30 | #define MSR_EE_LG 15 /* External Interrupt Enable */ |
30 | #define MSR_PR (1<<14) /* Problem State / Privilege Level */ | 31 | #define MSR_PR_LG 14 /* Problem State / Privilege Level */ |
31 | #define MSR_FP (1<<13) /* Floating Point enable */ | 32 | #define MSR_FP_LG 13 /* Floating Point enable */ |
32 | #define MSR_ME (1<<12) /* Machine Check Enable */ | 33 | #define MSR_ME_LG 12 /* Machine Check Enable */ |
33 | #define MSR_FE0 (1<<11) /* Floating Exception mode 0 */ | 34 | #define MSR_FE0_LG 11 /* Floating Exception mode 0 */ |
34 | #define MSR_SE (1<<10) /* Single Step */ | 35 | #define MSR_SE_LG 10 /* Single Step */ |
35 | #define MSR_BE (1<<9) /* Branch Trace */ | 36 | #define MSR_BE_LG 9 /* Branch Trace */ |
36 | #define MSR_DE (1<<9) /* Debug Exception Enable */ | 37 | #define MSR_DE_LG 9 /* Debug Exception Enable */ |
37 | #define MSR_FE1 (1<<8) /* Floating Exception mode 1 */ | 38 | #define MSR_FE1_LG 8 /* Floating Exception mode 1 */ |
38 | #define MSR_IP (1<<6) /* Exception prefix 0x000/0xFFF */ | 39 | #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */ |
39 | #define MSR_IR (1<<5) /* Instruction Relocate */ | 40 | #define MSR_IR_LG 5 /* Instruction Relocate */ |
40 | #define MSR_DR (1<<4) /* Data Relocate */ | 41 | #define MSR_DR_LG 4 /* Data Relocate */ |
41 | #define MSR_PE (1<<3) /* Protection Enable */ | 42 | #define MSR_PE_LG 3 /* Protection Enable */ |
42 | #define MSR_PX (1<<2) /* Protection Exclusive Mode */ | 43 | #define MSR_PX_LG 2 /* Protection Exclusive Mode */ |
43 | #define MSR_RI (1<<1) /* Recoverable Exception */ | 44 | #define MSR_PMM_LG 2 /* Performance monitor */ |
44 | #define MSR_LE (1<<0) /* Little Endian */ | 45 | #define MSR_RI_LG 1 /* Recoverable Exception */ |
46 | #define MSR_LE_LG 0 /* Little Endian */ | ||
45 | 47 | ||
48 | #ifdef __ASSEMBLY__ | ||
49 | #define __MASK(X) (1<<(X)) | ||
50 | #else | ||
51 | #define __MASK(X) (1UL<<(X)) | ||
52 | #endif | ||
53 | |||
54 | #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */ | ||
55 | #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */ | ||
56 | #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */ | ||
57 | #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ | ||
58 | #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ | ||
59 | #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */ | ||
60 | #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */ | ||
61 | #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */ | ||
62 | #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */ | ||
63 | #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */ | ||
64 | #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */ | ||
65 | #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */ | ||
66 | #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */ | ||
67 | #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */ | ||
68 | #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */ | ||
69 | #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */ | ||
70 | #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */ | ||
71 | #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */ | ||
72 | #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */ | ||
73 | #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */ | ||
74 | #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */ | ||
75 | #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */ | ||
76 | #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */ | ||
77 | #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */ | ||
78 | #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */ | ||
79 | #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ | ||
80 | |||
81 | #ifdef CONFIG_PPC64 | ||
82 | #define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF | ||
83 | #define MSR_KERNEL MSR_ | MSR_SF | MSR_HV | ||
84 | |||
85 | #define MSR_USER32 MSR_ | MSR_PR | MSR_EE | ||
86 | #define MSR_USER64 MSR_USER32 | MSR_SF | ||
87 | |||
88 | #else /* 32-bit */ | ||
46 | /* Default MSR for kernel mode. */ | 89 | /* Default MSR for kernel mode. */ |
47 | #ifdef CONFIG_APUS_FAST_EXCEPT | 90 | #ifdef CONFIG_APUS_FAST_EXCEPT |
48 | #define MSR_KERNEL (MSR_ME|MSR_IP|MSR_RI|MSR_IR|MSR_DR) | 91 | #define MSR_KERNEL (MSR_ME|MSR_IP|MSR_RI|MSR_IR|MSR_DR) |
49 | #endif | 92 | #else |
50 | |||
51 | #ifndef MSR_KERNEL | ||
52 | #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) | 93 | #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) |
53 | #endif | 94 | #endif |
54 | 95 | ||
55 | #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) | 96 | #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) |
97 | #endif | ||
56 | 98 | ||
57 | /* Floating Point Status and Control Register (FPSCR) Fields */ | 99 | /* Floating Point Status and Control Register (FPSCR) Fields */ |
58 | #define FPSCR_FX 0x80000000 /* FPU exception summary */ | 100 | #define FPSCR_FX 0x80000000 /* FPU exception summary */ |
@@ -85,6 +127,9 @@ | |||
85 | 127 | ||
86 | /* Special Purpose Registers (SPRNs)*/ | 128 | /* Special Purpose Registers (SPRNs)*/ |
87 | #define SPRN_CTR 0x009 /* Count Register */ | 129 | #define SPRN_CTR 0x009 /* Count Register */ |
130 | #define SPRN_CTRLF 0x088 | ||
131 | #define SPRN_CTRLT 0x098 | ||
132 | #define CTRL_RUNLATCH 0x1 | ||
88 | #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ | 133 | #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ |
89 | #define DABR_TRANSLATION (1UL << 2) | 134 | #define DABR_TRANSLATION (1UL << 2) |
90 | #define SPRN_DAR 0x013 /* Data Address Register */ | 135 | #define SPRN_DAR 0x013 /* Data Address Register */ |
@@ -193,6 +238,16 @@ | |||
193 | #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ | 238 | #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ |
194 | #define SPRN_HID4 0x3F4 /* 970 HID4 */ | 239 | #define SPRN_HID4 0x3F4 /* 970 HID4 */ |
195 | #define SPRN_HID5 0x3F6 /* 970 HID5 */ | 240 | #define SPRN_HID5 0x3F6 /* 970 HID5 */ |
241 | #define SPRN_HID6 0x3F9 /* BE HID 6 */ | ||
242 | #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */ | ||
243 | #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */ | ||
244 | #define SPRN_TSCR 0x399 /* Thread switch control on BE */ | ||
245 | #define SPRN_TTR 0x39A /* Thread switch timeout on BE */ | ||
246 | #define TSCR_DEC_ENABLE 0x200000 /* Decrementer Interrupt */ | ||
247 | #define TSCR_EE_ENABLE 0x100000 /* External Interrupt */ | ||
248 | #define TSCR_EE_BOOST 0x080000 /* External Interrupt Boost */ | ||
249 | #define SPRN_TSC 0x3FD /* Thread switch control on others */ | ||
250 | #define SPRN_TST 0x3FC /* Thread switch timeout on others */ | ||
196 | #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2) | 251 | #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2) |
197 | #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ | 252 | #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ |
198 | #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */ | 253 | #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */ |
@@ -276,22 +331,18 @@ | |||
276 | #define L3CR_L3DO 0x00000040 /* L3 data only mode */ | 331 | #define L3CR_L3DO 0x00000040 /* L3 data only mode */ |
277 | #define L3CR_PMEN 0x00000004 /* L3 private memory enable */ | 332 | #define L3CR_PMEN 0x00000004 /* L3 private memory enable */ |
278 | #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */ | 333 | #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */ |
334 | |||
279 | #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */ | 335 | #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */ |
280 | #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */ | 336 | #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */ |
281 | #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */ | 337 | #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */ |
282 | #define SPRN_LDSTDB 0x3f4 /* */ | 338 | #define SPRN_LDSTDB 0x3f4 /* */ |
283 | #define SPRN_LR 0x008 /* Link Register */ | 339 | #define SPRN_LR 0x008 /* Link Register */ |
284 | #define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */ | ||
285 | #define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */ | ||
286 | #ifndef SPRN_PIR | 340 | #ifndef SPRN_PIR |
287 | #define SPRN_PIR 0x3FF /* Processor Identification Register */ | 341 | #define SPRN_PIR 0x3FF /* Processor Identification Register */ |
288 | #endif | 342 | #endif |
289 | #define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */ | ||
290 | #define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */ | ||
291 | #define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */ | ||
292 | #define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */ | ||
293 | #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ | 343 | #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ |
294 | #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ | 344 | #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ |
345 | #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */ | ||
295 | #define SPRN_PVR 0x11F /* Processor Version Register */ | 346 | #define SPRN_PVR 0x11F /* Processor Version Register */ |
296 | #define SPRN_RPA 0x3D6 /* Required Physical Address Register */ | 347 | #define SPRN_RPA 0x3D6 /* Required Physical Address Register */ |
297 | #define SPRN_SDA 0x3BF /* Sampled Data Address Register */ | 348 | #define SPRN_SDA 0x3BF /* Sampled Data Address Register */ |
@@ -333,6 +384,52 @@ | |||
333 | #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */ | 384 | #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */ |
334 | #define SPRN_XER 0x001 /* Fixed Point Exception Register */ | 385 | #define SPRN_XER 0x001 /* Fixed Point Exception Register */ |
335 | 386 | ||
387 | /* Performance monitor SPRs */ | ||
388 | #ifdef CONFIG_PPC64 | ||
389 | #define SPRN_MMCR0 795 | ||
390 | #define MMCR0_FC 0x80000000UL /* freeze counters */ | ||
391 | #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ | ||
392 | #define MMCR0_KERNEL_DISABLE MMCR0_FCS | ||
393 | #define MMCR0_FCP 0x20000000UL /* freeze in problem state */ | ||
394 | #define MMCR0_PROBLEM_DISABLE MMCR0_FCP | ||
395 | #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ | ||
396 | #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ | ||
397 | #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ | ||
398 | #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */ | ||
399 | #define MMCR0_TBEE 0x00400000UL /* time base exception enable */ | ||
400 | #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ | ||
401 | #define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/ | ||
402 | #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ | ||
403 | #define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */ | ||
404 | #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */ | ||
405 | #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */ | ||
406 | #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */ | ||
407 | #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */ | ||
408 | #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */ | ||
409 | #define SPRN_MMCR1 798 | ||
410 | #define SPRN_MMCRA 0x312 | ||
411 | #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ | ||
412 | #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ | ||
413 | #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ | ||
414 | #define SPRN_PMC1 787 | ||
415 | #define SPRN_PMC2 788 | ||
416 | #define SPRN_PMC3 789 | ||
417 | #define SPRN_PMC4 790 | ||
418 | #define SPRN_PMC5 791 | ||
419 | #define SPRN_PMC6 792 | ||
420 | #define SPRN_PMC7 793 | ||
421 | #define SPRN_PMC8 794 | ||
422 | #define SPRN_SIAR 780 | ||
423 | #define SPRN_SDAR 781 | ||
424 | |||
425 | #else /* 32-bit */ | ||
426 | #define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */ | ||
427 | #define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */ | ||
428 | #define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */ | ||
429 | #define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */ | ||
430 | #define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */ | ||
431 | #define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */ | ||
432 | |||
336 | /* Bit definitions for MMCR0 and PMC1 / PMC2. */ | 433 | /* Bit definitions for MMCR0 and PMC1 / PMC2. */ |
337 | #define MMCR0_PMC1_CYCLES (1 << 7) | 434 | #define MMCR0_PMC1_CYCLES (1 << 7) |
338 | #define MMCR0_PMC1_ICACHEMISS (5 << 7) | 435 | #define MMCR0_PMC1_ICACHEMISS (5 << 7) |
@@ -342,14 +439,15 @@ | |||
342 | #define MMCR0_PMC2_ITLB 0x7 | 439 | #define MMCR0_PMC2_ITLB 0x7 |
343 | #define MMCR0_PMC2_LOADMISSTIME 0x5 | 440 | #define MMCR0_PMC2_LOADMISSTIME 0x5 |
344 | #define MMCR0_PMXE (1 << 26) | 441 | #define MMCR0_PMXE (1 << 26) |
345 | 442 | #endif | |
346 | /* Processor Version Register */ | ||
347 | 443 | ||
348 | /* Processor Version Register (PVR) field extraction */ | 444 | /* Processor Version Register (PVR) field extraction */ |
349 | 445 | ||
350 | #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ | 446 | #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ |
351 | #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ | 447 | #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ |
352 | 448 | ||
449 | #define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv)) | ||
450 | |||
353 | /* | 451 | /* |
354 | * IBM has further subdivided the standard PowerPC 16-bit version and | 452 | * IBM has further subdivided the standard PowerPC 16-bit version and |
355 | * revision subfields of the PVR for the PowerPC 403s into the following: | 453 | * revision subfields of the PVR for the PowerPC 403s into the following: |
@@ -405,42 +503,105 @@ | |||
405 | #define PVR_8245 0x80811014 | 503 | #define PVR_8245 0x80811014 |
406 | #define PVR_8260 PVR_8240 | 504 | #define PVR_8260 PVR_8240 |
407 | 505 | ||
408 | #if 0 | 506 | /* 64-bit processors */ |
409 | /* Segment Registers */ | 507 | /* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */ |
410 | #define SR0 0 | 508 | #define PV_NORTHSTAR 0x0033 |
411 | #define SR1 1 | 509 | #define PV_PULSAR 0x0034 |
412 | #define SR2 2 | 510 | #define PV_POWER4 0x0035 |
413 | #define SR3 3 | 511 | #define PV_ICESTAR 0x0036 |
414 | #define SR4 4 | 512 | #define PV_SSTAR 0x0037 |
415 | #define SR5 5 | 513 | #define PV_POWER4p 0x0038 |
416 | #define SR6 6 | 514 | #define PV_970 0x0039 |
417 | #define SR7 7 | 515 | #define PV_POWER5 0x003A |
418 | #define SR8 8 | 516 | #define PV_POWER5p 0x003B |
419 | #define SR9 9 | 517 | #define PV_970FX 0x003C |
420 | #define SR10 10 | 518 | #define PV_630 0x0040 |
421 | #define SR11 11 | 519 | #define PV_630p 0x0041 |
422 | #define SR12 12 | 520 | #define PV_970MP 0x0044 |
423 | #define SR13 13 | 521 | #define PV_BE 0x0070 |
424 | #define SR14 14 | 522 | |
425 | #define SR15 15 | 523 | /* |
426 | #endif | 524 | * Number of entries in the SLB. If this ever changes we should handle |
525 | * it with a use a cpu feature fixup. | ||
526 | */ | ||
527 | #define SLB_NUM_ENTRIES 64 | ||
427 | 528 | ||
428 | /* Macros for setting and retrieving special purpose registers */ | 529 | /* Macros for setting and retrieving special purpose registers */ |
429 | #ifndef __ASSEMBLY__ | 530 | #ifndef __ASSEMBLY__ |
430 | #define mfmsr() ({unsigned int rval; \ | 531 | #define mfmsr() ({unsigned long rval; \ |
431 | asm volatile("mfmsr %0" : "=r" (rval)); rval;}) | 532 | asm volatile("mfmsr %0" : "=r" (rval)); rval;}) |
533 | #ifdef CONFIG_PPC64 | ||
534 | #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \ | ||
535 | : : "r" (v)) | ||
536 | #define mtmsrd(v) __mtmsrd((v), 0) | ||
537 | #else | ||
432 | #define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v)) | 538 | #define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v)) |
539 | #endif | ||
433 | 540 | ||
434 | #define mfspr(rn) ({unsigned int rval; \ | 541 | #define mfspr(rn) ({unsigned long rval; \ |
435 | asm volatile("mfspr %0," __stringify(rn) \ | 542 | asm volatile("mfspr %0," __stringify(rn) \ |
436 | : "=r" (rval)); rval;}) | 543 | : "=r" (rval)); rval;}) |
437 | #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)) | 544 | #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)) |
438 | 545 | ||
546 | #define mftb() ({unsigned long rval; \ | ||
547 | asm volatile("mftb %0" : "=r" (rval)); rval;}) | ||
548 | #define mftbl() ({unsigned long rval; \ | ||
549 | asm volatile("mftbl %0" : "=r" (rval)); rval;}) | ||
550 | |||
551 | #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) | ||
552 | #define mttbu(v) asm volatile("mttbu %0":: "r"(v)) | ||
553 | |||
554 | #ifdef CONFIG_PPC32 | ||
439 | #define mfsrin(v) ({unsigned int rval; \ | 555 | #define mfsrin(v) ({unsigned int rval; \ |
440 | asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ | 556 | asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ |
441 | rval;}) | 557 | rval;}) |
558 | #endif | ||
442 | 559 | ||
443 | #define proc_trap() asm volatile("trap") | 560 | #define proc_trap() asm volatile("trap") |
561 | |||
562 | #ifdef CONFIG_PPC64 | ||
563 | static inline void ppc64_runlatch_on(void) | ||
564 | { | ||
565 | unsigned long ctrl; | ||
566 | |||
567 | if (cpu_has_feature(CPU_FTR_CTRL)) { | ||
568 | ctrl = mfspr(SPRN_CTRLF); | ||
569 | ctrl |= CTRL_RUNLATCH; | ||
570 | mtspr(SPRN_CTRLT, ctrl); | ||
571 | } | ||
572 | } | ||
573 | |||
574 | static inline void ppc64_runlatch_off(void) | ||
575 | { | ||
576 | unsigned long ctrl; | ||
577 | |||
578 | if (cpu_has_feature(CPU_FTR_CTRL)) { | ||
579 | ctrl = mfspr(SPRN_CTRLF); | ||
580 | ctrl &= ~CTRL_RUNLATCH; | ||
581 | mtspr(SPRN_CTRLT, ctrl); | ||
582 | } | ||
583 | } | ||
584 | |||
585 | static inline void set_tb(unsigned int upper, unsigned int lower) | ||
586 | { | ||
587 | mttbl(0); | ||
588 | mttbu(upper); | ||
589 | mttbl(lower); | ||
590 | } | ||
591 | #endif | ||
592 | |||
593 | #define __get_SP() ({unsigned long sp; \ | ||
594 | asm volatile("mr %0,1": "=r" (sp)); sp;}) | ||
595 | |||
596 | #else /* __ASSEMBLY__ */ | ||
597 | |||
598 | #define RUNLATCH_ON(REG) \ | ||
599 | BEGIN_FTR_SECTION \ | ||
600 | mfspr (REG),SPRN_CTRLF; \ | ||
601 | ori (REG),(REG),CTRL_RUNLATCH; \ | ||
602 | mtspr SPRN_CTRLT,(REG); \ | ||
603 | END_FTR_SECTION_IFSET(CPU_FTR_CTRL) | ||
604 | |||
444 | #endif /* __ASSEMBLY__ */ | 605 | #endif /* __ASSEMBLY__ */ |
445 | #endif /* __KERNEL__ */ | 606 | #endif /* __KERNEL__ */ |
446 | #endif /* _ASM_POWERPC_REGS_H */ | 607 | #endif /* _ASM_POWERPC_REG_H */ |
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h deleted file mode 100644 index 6447fbee7d69..000000000000 --- a/include/asm-ppc64/processor.h +++ /dev/null | |||
@@ -1,567 +0,0 @@ | |||
1 | #ifndef __ASM_PPC64_PROCESSOR_H | ||
2 | #define __ASM_PPC64_PROCESSOR_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 2001 PPC 64 Team, IBM Corp | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the License, or (at your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #include <linux/stringify.h> | ||
14 | #ifndef __ASSEMBLY__ | ||
15 | #include <linux/config.h> | ||
16 | #include <asm/atomic.h> | ||
17 | #include <asm/ppcdebug.h> | ||
18 | #include <asm/a.out.h> | ||
19 | #endif | ||
20 | #include <asm/ptrace.h> | ||
21 | #include <asm/types.h> | ||
22 | #include <asm/systemcfg.h> | ||
23 | #include <asm/cputable.h> | ||
24 | |||
25 | /* Machine State Register (MSR) Fields */ | ||
26 | #define MSR_SF_LG 63 /* Enable 64 bit mode */ | ||
27 | #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */ | ||
28 | #define MSR_HV_LG 60 /* Hypervisor state */ | ||
29 | #define MSR_VEC_LG 25 /* Enable AltiVec */ | ||
30 | #define MSR_POW_LG 18 /* Enable Power Management */ | ||
31 | #define MSR_WE_LG 18 /* Wait State Enable */ | ||
32 | #define MSR_TGPR_LG 17 /* TLB Update registers in use */ | ||
33 | #define MSR_CE_LG 17 /* Critical Interrupt Enable */ | ||
34 | #define MSR_ILE_LG 16 /* Interrupt Little Endian */ | ||
35 | #define MSR_EE_LG 15 /* External Interrupt Enable */ | ||
36 | #define MSR_PR_LG 14 /* Problem State / Privilege Level */ | ||
37 | #define MSR_FP_LG 13 /* Floating Point enable */ | ||
38 | #define MSR_ME_LG 12 /* Machine Check Enable */ | ||
39 | #define MSR_FE0_LG 11 /* Floating Exception mode 0 */ | ||
40 | #define MSR_SE_LG 10 /* Single Step */ | ||
41 | #define MSR_BE_LG 9 /* Branch Trace */ | ||
42 | #define MSR_DE_LG 9 /* Debug Exception Enable */ | ||
43 | #define MSR_FE1_LG 8 /* Floating Exception mode 1 */ | ||
44 | #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */ | ||
45 | #define MSR_IR_LG 5 /* Instruction Relocate */ | ||
46 | #define MSR_DR_LG 4 /* Data Relocate */ | ||
47 | #define MSR_PE_LG 3 /* Protection Enable */ | ||
48 | #define MSR_PX_LG 2 /* Protection Exclusive Mode */ | ||
49 | #define MSR_PMM_LG 2 /* Performance monitor */ | ||
50 | #define MSR_RI_LG 1 /* Recoverable Exception */ | ||
51 | #define MSR_LE_LG 0 /* Little Endian */ | ||
52 | |||
53 | #ifdef __ASSEMBLY__ | ||
54 | #define __MASK(X) (1<<(X)) | ||
55 | #else | ||
56 | #define __MASK(X) (1UL<<(X)) | ||
57 | #endif | ||
58 | |||
59 | #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */ | ||
60 | #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */ | ||
61 | #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */ | ||
62 | #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ | ||
63 | #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ | ||
64 | #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */ | ||
65 | #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */ | ||
66 | #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */ | ||
67 | #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */ | ||
68 | #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */ | ||
69 | #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */ | ||
70 | #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */ | ||
71 | #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */ | ||
72 | #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */ | ||
73 | #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */ | ||
74 | #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */ | ||
75 | #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */ | ||
76 | #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */ | ||
77 | #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */ | ||
78 | #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */ | ||
79 | #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */ | ||
80 | #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */ | ||
81 | #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */ | ||
82 | #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */ | ||
83 | #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */ | ||
84 | #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ | ||
85 | |||
86 | #define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF | ||
87 | #define MSR_KERNEL MSR_ | MSR_SF | MSR_HV | ||
88 | |||
89 | #define MSR_USER32 MSR_ | MSR_PR | MSR_EE | ||
90 | #define MSR_USER64 MSR_USER32 | MSR_SF | ||
91 | |||
92 | /* Floating Point Status and Control Register (FPSCR) Fields */ | ||
93 | |||
94 | #define FPSCR_FX 0x80000000 /* FPU exception summary */ | ||
95 | #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */ | ||
96 | #define FPSCR_VX 0x20000000 /* Invalid operation summary */ | ||
97 | #define FPSCR_OX 0x10000000 /* Overflow exception summary */ | ||
98 | #define FPSCR_UX 0x08000000 /* Underflow exception summary */ | ||
99 | #define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */ | ||
100 | #define FPSCR_XX 0x02000000 /* Inexact exception summary */ | ||
101 | #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */ | ||
102 | #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */ | ||
103 | #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */ | ||
104 | #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */ | ||
105 | #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */ | ||
106 | #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */ | ||
107 | #define FPSCR_FR 0x00040000 /* Fraction rounded */ | ||
108 | #define FPSCR_FI 0x00020000 /* Fraction inexact */ | ||
109 | #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */ | ||
110 | #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */ | ||
111 | #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */ | ||
112 | #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */ | ||
113 | #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */ | ||
114 | #define FPSCR_VE 0x00000080 /* Invalid op exception enable */ | ||
115 | #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */ | ||
116 | #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */ | ||
117 | #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */ | ||
118 | #define FPSCR_XE 0x00000008 /* FP inexact exception enable */ | ||
119 | #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */ | ||
120 | #define FPSCR_RN 0x00000003 /* FPU rounding control */ | ||
121 | |||
122 | /* Special Purpose Registers (SPRNs)*/ | ||
123 | |||
124 | #define SPRN_CTR 0x009 /* Count Register */ | ||
125 | #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ | ||
126 | #define DABR_TRANSLATION (1UL << 2) | ||
127 | #define SPRN_DAR 0x013 /* Data Address Register */ | ||
128 | #define SPRN_DEC 0x016 /* Decrement Register */ | ||
129 | #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ | ||
130 | #define DSISR_NOHPTE 0x40000000 /* no translation found */ | ||
131 | #define DSISR_PROTFAULT 0x08000000 /* protection fault */ | ||
132 | #define DSISR_ISSTORE 0x02000000 /* access was a store */ | ||
133 | #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ | ||
134 | #define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */ | ||
135 | #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */ | ||
136 | #define SPRN_MSRDORM 0x3F1 /* Hardware Implementation Register 1 */ | ||
137 | #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ | ||
138 | #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ | ||
139 | #define SPRN_NIADORM 0x3F3 /* Hardware Implementation Register 2 */ | ||
140 | #define SPRN_HID4 0x3F4 /* 970 HID4 */ | ||
141 | #define SPRN_HID5 0x3F6 /* 970 HID5 */ | ||
142 | #define SPRN_HID6 0x3F9 /* BE HID 6 */ | ||
143 | #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */ | ||
144 | #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */ | ||
145 | #define SPRN_TSCR 0x399 /* Thread switch control on BE */ | ||
146 | #define SPRN_TTR 0x39A /* Thread switch timeout on BE */ | ||
147 | #define TSCR_DEC_ENABLE 0x200000 /* Decrementer Interrupt */ | ||
148 | #define TSCR_EE_ENABLE 0x100000 /* External Interrupt */ | ||
149 | #define TSCR_EE_BOOST 0x080000 /* External Interrupt Boost */ | ||
150 | #define SPRN_TSC 0x3FD /* Thread switch control on others */ | ||
151 | #define SPRN_TST 0x3FC /* Thread switch timeout on others */ | ||
152 | #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */ | ||
153 | #define SPRN_LR 0x008 /* Link Register */ | ||
154 | #define SPRN_PIR 0x3FF /* Processor Identification Register */ | ||
155 | #define SPRN_PIT 0x3DB /* Programmable Interval Timer */ | ||
156 | #define SPRN_PURR 0x135 /* Processor Utilization of Resources Register */ | ||
157 | #define SPRN_PVR 0x11F /* Processor Version Register */ | ||
158 | #define SPRN_RPA 0x3D6 /* Required Physical Address Register */ | ||
159 | #define SPRN_SDA 0x3BF /* Sampled Data Address Register */ | ||
160 | #define SPRN_SDR1 0x019 /* MMU Hash Base Register */ | ||
161 | #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */ | ||
162 | #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */ | ||
163 | #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */ | ||
164 | #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */ | ||
165 | #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ | ||
166 | #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ | ||
167 | #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ | ||
168 | #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ | ||
169 | #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ | ||
170 | #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, W/O) */ | ||
171 | #define SPRN_TBWU 0x11D /* Time Base Write Upper Register (super, W/O) */ | ||
172 | #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */ | ||
173 | #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */ | ||
174 | #define SPRN_XER 0x001 /* Fixed Point Exception Register */ | ||
175 | #define SPRN_VRSAVE 0x100 /* Vector save */ | ||
176 | #define SPRN_CTRLF 0x088 | ||
177 | #define SPRN_CTRLT 0x098 | ||
178 | #define CTRL_RUNLATCH 0x1 | ||
179 | |||
180 | /* Performance monitor SPRs */ | ||
181 | #define SPRN_SIAR 780 | ||
182 | #define SPRN_SDAR 781 | ||
183 | #define SPRN_MMCRA 786 | ||
184 | #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ | ||
185 | #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ | ||
186 | #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ | ||
187 | #define SPRN_PMC1 787 | ||
188 | #define SPRN_PMC2 788 | ||
189 | #define SPRN_PMC3 789 | ||
190 | #define SPRN_PMC4 790 | ||
191 | #define SPRN_PMC5 791 | ||
192 | #define SPRN_PMC6 792 | ||
193 | #define SPRN_PMC7 793 | ||
194 | #define SPRN_PMC8 794 | ||
195 | #define SPRN_MMCR0 795 | ||
196 | #define MMCR0_FC 0x80000000UL /* freeze counters. set to 1 on a perfmon exception */ | ||
197 | #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ | ||
198 | #define MMCR0_KERNEL_DISABLE MMCR0_FCS | ||
199 | #define MMCR0_FCP 0x20000000UL /* freeze in problem state */ | ||
200 | #define MMCR0_PROBLEM_DISABLE MMCR0_FCP | ||
201 | #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ | ||
202 | #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ | ||
203 | #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ | ||
204 | #define MMCR0_FCECE 0x02000000UL /* freeze counters on enabled condition or event */ | ||
205 | /* time base exception enable */ | ||
206 | #define MMCR0_TBEE 0x00400000UL /* time base exception enable */ | ||
207 | #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ | ||
208 | #define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/ | ||
209 | #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ | ||
210 | #define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */ | ||
211 | #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */ | ||
212 | #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */ | ||
213 | #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */ | ||
214 | #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */ | ||
215 | #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */ | ||
216 | #define SPRN_MMCR1 798 | ||
217 | |||
218 | /* Short-hand versions for a number of the above SPRNs */ | ||
219 | |||
220 | #define CTR SPRN_CTR /* Counter Register */ | ||
221 | #define DAR SPRN_DAR /* Data Address Register */ | ||
222 | #define DABR SPRN_DABR /* Data Address Breakpoint Register */ | ||
223 | #define DEC SPRN_DEC /* Decrement Register */ | ||
224 | #define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */ | ||
225 | #define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */ | ||
226 | #define MSRDORM SPRN_MSRDORM /* MSR Dormant Register */ | ||
227 | #define NIADORM SPRN_NIADORM /* NIA Dormant Register */ | ||
228 | #define TSC SPRN_TSC /* Thread switch control */ | ||
229 | #define TST SPRN_TST /* Thread switch timeout */ | ||
230 | #define IABR SPRN_IABR /* Instruction Address Breakpoint Register */ | ||
231 | #define L2CR SPRN_L2CR /* PPC 750 L2 control register */ | ||
232 | #define __LR SPRN_LR | ||
233 | #define PVR SPRN_PVR /* Processor Version */ | ||
234 | #define PIR SPRN_PIR /* Processor ID */ | ||
235 | #define PURR SPRN_PURR /* Processor Utilization of Resource Register */ | ||
236 | #define SDR1 SPRN_SDR1 /* MMU hash base register */ | ||
237 | #define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */ | ||
238 | #define SPR1 SPRN_SPRG1 | ||
239 | #define SPR2 SPRN_SPRG2 | ||
240 | #define SPR3 SPRN_SPRG3 | ||
241 | #define SPRG0 SPRN_SPRG0 | ||
242 | #define SPRG1 SPRN_SPRG1 | ||
243 | #define SPRG2 SPRN_SPRG2 | ||
244 | #define SPRG3 SPRN_SPRG3 | ||
245 | #define SRR0 SPRN_SRR0 /* Save and Restore Register 0 */ | ||
246 | #define SRR1 SPRN_SRR1 /* Save and Restore Register 1 */ | ||
247 | #define TBRL SPRN_TBRL /* Time Base Read Lower Register */ | ||
248 | #define TBRU SPRN_TBRU /* Time Base Read Upper Register */ | ||
249 | #define TBWL SPRN_TBWL /* Time Base Write Lower Register */ | ||
250 | #define TBWU SPRN_TBWU /* Time Base Write Upper Register */ | ||
251 | #define XER SPRN_XER | ||
252 | |||
253 | /* Processor Version Register (PVR) field extraction */ | ||
254 | |||
255 | #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ | ||
256 | #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ | ||
257 | |||
258 | /* Processor Version Numbers */ | ||
259 | #define PV_NORTHSTAR 0x0033 | ||
260 | #define PV_PULSAR 0x0034 | ||
261 | #define PV_POWER4 0x0035 | ||
262 | #define PV_ICESTAR 0x0036 | ||
263 | #define PV_SSTAR 0x0037 | ||
264 | #define PV_POWER4p 0x0038 | ||
265 | #define PV_970 0x0039 | ||
266 | #define PV_POWER5 0x003A | ||
267 | #define PV_POWER5p 0x003B | ||
268 | #define PV_970FX 0x003C | ||
269 | #define PV_630 0x0040 | ||
270 | #define PV_630p 0x0041 | ||
271 | #define PV_970MP 0x0044 | ||
272 | #define PV_BE 0x0070 | ||
273 | |||
274 | /* Platforms supported by PPC64 */ | ||
275 | #define PLATFORM_PSERIES 0x0100 | ||
276 | #define PLATFORM_PSERIES_LPAR 0x0101 | ||
277 | #define PLATFORM_ISERIES_LPAR 0x0201 | ||
278 | #define PLATFORM_LPAR 0x0001 | ||
279 | #define PLATFORM_POWERMAC 0x0400 | ||
280 | #define PLATFORM_MAPLE 0x0500 | ||
281 | #define PLATFORM_BPA 0x1000 | ||
282 | |||
283 | /* Compatibility with drivers coming from PPC32 world */ | ||
284 | #define _machine (systemcfg->platform) | ||
285 | #define _MACH_Pmac PLATFORM_POWERMAC | ||
286 | |||
287 | /* | ||
288 | * List of interrupt controllers. | ||
289 | */ | ||
290 | #define IC_INVALID 0 | ||
291 | #define IC_OPEN_PIC 1 | ||
292 | #define IC_PPC_XIC 2 | ||
293 | #define IC_BPA_IIC 3 | ||
294 | #define IC_ISERIES 4 | ||
295 | |||
296 | #define XGLUE(a,b) a##b | ||
297 | #define GLUE(a,b) XGLUE(a,b) | ||
298 | |||
299 | #ifdef __ASSEMBLY__ | ||
300 | |||
301 | #define _GLOBAL(name) \ | ||
302 | .section ".text"; \ | ||
303 | .align 2 ; \ | ||
304 | .globl name; \ | ||
305 | .globl GLUE(.,name); \ | ||
306 | .section ".opd","aw"; \ | ||
307 | name: \ | ||
308 | .quad GLUE(.,name); \ | ||
309 | .quad .TOC.@tocbase; \ | ||
310 | .quad 0; \ | ||
311 | .previous; \ | ||
312 | .type GLUE(.,name),@function; \ | ||
313 | GLUE(.,name): | ||
314 | |||
315 | #define _KPROBE(name) \ | ||
316 | .section ".kprobes.text","a"; \ | ||
317 | .align 2 ; \ | ||
318 | .globl name; \ | ||
319 | .globl GLUE(.,name); \ | ||
320 | .section ".opd","aw"; \ | ||
321 | name: \ | ||
322 | .quad GLUE(.,name); \ | ||
323 | .quad .TOC.@tocbase; \ | ||
324 | .quad 0; \ | ||
325 | .previous; \ | ||
326 | .type GLUE(.,name),@function; \ | ||
327 | GLUE(.,name): | ||
328 | |||
329 | #define _STATIC(name) \ | ||
330 | .section ".text"; \ | ||
331 | .align 2 ; \ | ||
332 | .section ".opd","aw"; \ | ||
333 | name: \ | ||
334 | .quad GLUE(.,name); \ | ||
335 | .quad .TOC.@tocbase; \ | ||
336 | .quad 0; \ | ||
337 | .previous; \ | ||
338 | .type GLUE(.,name),@function; \ | ||
339 | GLUE(.,name): | ||
340 | |||
341 | #else /* __ASSEMBLY__ */ | ||
342 | |||
343 | /* | ||
344 | * Default implementation of macro that returns current | ||
345 | * instruction pointer ("program counter"). | ||
346 | */ | ||
347 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | ||
348 | |||
349 | /* Macros for setting and retrieving special purpose registers */ | ||
350 | |||
351 | #define mfmsr() ({unsigned long rval; \ | ||
352 | asm volatile("mfmsr %0" : "=r" (rval)); rval;}) | ||
353 | |||
354 | #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \ | ||
355 | : : "r" (v)) | ||
356 | #define mtmsrd(v) __mtmsrd((v), 0) | ||
357 | |||
358 | #define mfspr(rn) ({unsigned long rval; \ | ||
359 | asm volatile("mfspr %0," __stringify(rn) \ | ||
360 | : "=r" (rval)); rval;}) | ||
361 | #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)) | ||
362 | |||
363 | #define mftb() ({unsigned long rval; \ | ||
364 | asm volatile("mftb %0" : "=r" (rval)); rval;}) | ||
365 | |||
366 | #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) | ||
367 | #define mttbu(v) asm volatile("mttbu %0":: "r"(v)) | ||
368 | |||
369 | #define mfasr() ({unsigned long rval; \ | ||
370 | asm volatile("mfasr %0" : "=r" (rval)); rval;}) | ||
371 | |||
372 | /* Macros for adjusting thread priority (hardware multi-threading) */ | ||
373 | #define HMT_very_low() asm volatile("or 31,31,31 # very low priority") | ||
374 | #define HMT_low() asm volatile("or 1,1,1 # low priority") | ||
375 | #define HMT_medium_low() asm volatile("or 6,6,6 # medium low priority") | ||
376 | #define HMT_medium() asm volatile("or 2,2,2 # medium priority") | ||
377 | #define HMT_medium_high() asm volatile("or 5,5,5 # medium high priority") | ||
378 | #define HMT_high() asm volatile("or 3,3,3 # high priority") | ||
379 | |||
380 | static inline void set_tb(unsigned int upper, unsigned int lower) | ||
381 | { | ||
382 | mttbl(0); | ||
383 | mttbu(upper); | ||
384 | mttbl(lower); | ||
385 | } | ||
386 | |||
387 | #define __get_SP() ({unsigned long sp; \ | ||
388 | asm volatile("mr %0,1": "=r" (sp)); sp;}) | ||
389 | |||
390 | #ifdef __KERNEL__ | ||
391 | |||
392 | extern int have_of; | ||
393 | extern u64 ppc64_interrupt_controller; | ||
394 | |||
395 | struct task_struct; | ||
396 | void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp); | ||
397 | void release_thread(struct task_struct *); | ||
398 | |||
399 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
400 | extern void prepare_to_copy(struct task_struct *tsk); | ||
401 | |||
402 | /* Create a new kernel thread. */ | ||
403 | extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); | ||
404 | |||
405 | /* Lazy FPU handling on uni-processor */ | ||
406 | extern struct task_struct *last_task_used_math; | ||
407 | extern struct task_struct *last_task_used_altivec; | ||
408 | |||
409 | /* 64-bit user address space is 44-bits (16TB user VM) */ | ||
410 | #define TASK_SIZE_USER64 (0x0000100000000000UL) | ||
411 | |||
412 | /* | ||
413 | * 32-bit user address space is 4GB - 1 page | ||
414 | * (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT | ||
415 | */ | ||
416 | #define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE)) | ||
417 | |||
418 | #define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \ | ||
419 | TASK_SIZE_USER32 : TASK_SIZE_USER64) | ||
420 | |||
421 | /* This decides where the kernel will search for a free chunk of vm | ||
422 | * space during mmap's. | ||
423 | */ | ||
424 | #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4)) | ||
425 | #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4)) | ||
426 | |||
427 | #define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)||(ppcdebugset(PPCDBG_BINFMT_32ADDR))) ? \ | ||
428 | TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 ) | ||
429 | |||
430 | typedef struct { | ||
431 | unsigned long seg; | ||
432 | } mm_segment_t; | ||
433 | |||
434 | struct thread_struct { | ||
435 | unsigned long ksp; /* Kernel stack pointer */ | ||
436 | unsigned long ksp_vsid; | ||
437 | struct pt_regs *regs; /* Pointer to saved register state */ | ||
438 | mm_segment_t fs; /* for get_fs() validation */ | ||
439 | double fpr[32]; /* Complete floating point set */ | ||
440 | unsigned long fpscr; /* Floating point status (plus pad) */ | ||
441 | unsigned long fpexc_mode; /* Floating-point exception mode */ | ||
442 | unsigned long start_tb; /* Start purr when proc switched in */ | ||
443 | unsigned long accum_tb; /* Total accumilated purr for process */ | ||
444 | unsigned long vdso_base; /* base of the vDSO library */ | ||
445 | unsigned long dabr; /* Data address breakpoint register */ | ||
446 | #ifdef CONFIG_ALTIVEC | ||
447 | /* Complete AltiVec register set */ | ||
448 | vector128 vr[32] __attribute((aligned(16))); | ||
449 | /* AltiVec status */ | ||
450 | vector128 vscr __attribute((aligned(16))); | ||
451 | unsigned long vrsave; | ||
452 | int used_vr; /* set if process has used altivec */ | ||
453 | #endif /* CONFIG_ALTIVEC */ | ||
454 | }; | ||
455 | |||
456 | #define ARCH_MIN_TASKALIGN 16 | ||
457 | |||
458 | #define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) | ||
459 | |||
460 | #define INIT_THREAD { \ | ||
461 | .ksp = INIT_SP, \ | ||
462 | .regs = (struct pt_regs *)INIT_SP - 1, \ | ||
463 | .fs = KERNEL_DS, \ | ||
464 | .fpr = {0}, \ | ||
465 | .fpscr = 0, \ | ||
466 | .fpexc_mode = MSR_FE0|MSR_FE1, \ | ||
467 | } | ||
468 | |||
469 | /* | ||
470 | * Return saved PC of a blocked thread. For now, this is the "user" PC | ||
471 | */ | ||
472 | #define thread_saved_pc(tsk) \ | ||
473 | ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) | ||
474 | |||
475 | unsigned long get_wchan(struct task_struct *p); | ||
476 | |||
477 | #define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) | ||
478 | #define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0) | ||
479 | |||
480 | /* Get/set floating-point exception mode */ | ||
481 | #define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr)) | ||
482 | #define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val)) | ||
483 | |||
484 | extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr); | ||
485 | extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val); | ||
486 | |||
487 | static inline unsigned int __unpack_fe01(unsigned long msr_bits) | ||
488 | { | ||
489 | return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8); | ||
490 | } | ||
491 | |||
492 | static inline unsigned long __pack_fe01(unsigned int fpmode) | ||
493 | { | ||
494 | return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1); | ||
495 | } | ||
496 | |||
497 | #define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0) | ||
498 | |||
499 | /* | ||
500 | * Prefetch macros. | ||
501 | */ | ||
502 | #define ARCH_HAS_PREFETCH | ||
503 | #define ARCH_HAS_PREFETCHW | ||
504 | #define ARCH_HAS_SPINLOCK_PREFETCH | ||
505 | |||
506 | static inline void prefetch(const void *x) | ||
507 | { | ||
508 | if (unlikely(!x)) | ||
509 | return; | ||
510 | |||
511 | __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x)); | ||
512 | } | ||
513 | |||
514 | static inline void prefetchw(const void *x) | ||
515 | { | ||
516 | if (unlikely(!x)) | ||
517 | return; | ||
518 | |||
519 | __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x)); | ||
520 | } | ||
521 | |||
522 | #define spin_lock_prefetch(x) prefetchw(x) | ||
523 | |||
524 | #define HAVE_ARCH_PICK_MMAP_LAYOUT | ||
525 | |||
526 | static inline void ppc64_runlatch_on(void) | ||
527 | { | ||
528 | unsigned long ctrl; | ||
529 | |||
530 | if (cpu_has_feature(CPU_FTR_CTRL)) { | ||
531 | ctrl = mfspr(SPRN_CTRLF); | ||
532 | ctrl |= CTRL_RUNLATCH; | ||
533 | mtspr(SPRN_CTRLT, ctrl); | ||
534 | } | ||
535 | } | ||
536 | |||
537 | static inline void ppc64_runlatch_off(void) | ||
538 | { | ||
539 | unsigned long ctrl; | ||
540 | |||
541 | if (cpu_has_feature(CPU_FTR_CTRL)) { | ||
542 | ctrl = mfspr(SPRN_CTRLF); | ||
543 | ctrl &= ~CTRL_RUNLATCH; | ||
544 | mtspr(SPRN_CTRLT, ctrl); | ||
545 | } | ||
546 | } | ||
547 | |||
548 | #endif /* __KERNEL__ */ | ||
549 | |||
550 | #endif /* __ASSEMBLY__ */ | ||
551 | |||
552 | #ifdef __KERNEL__ | ||
553 | #define RUNLATCH_ON(REG) \ | ||
554 | BEGIN_FTR_SECTION \ | ||
555 | mfspr (REG),SPRN_CTRLF; \ | ||
556 | ori (REG),(REG),CTRL_RUNLATCH; \ | ||
557 | mtspr SPRN_CTRLT,(REG); \ | ||
558 | END_FTR_SECTION_IFSET(CPU_FTR_CTRL) | ||
559 | #endif | ||
560 | |||
561 | /* | ||
562 | * Number of entries in the SLB. If this ever changes we should handle | ||
563 | * it with a use a cpu feature fixup. | ||
564 | */ | ||
565 | #define SLB_NUM_ENTRIES 64 | ||
566 | |||
567 | #endif /* __ASM_PPC64_PROCESSOR_H */ | ||
diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h index 1fbdc9f0590c..c04d62c592a6 100644 --- a/include/asm-ppc64/system.h +++ b/include/asm-ppc64/system.h | |||
@@ -144,13 +144,6 @@ struct thread_struct; | |||
144 | extern struct task_struct * _switch(struct thread_struct *prev, | 144 | extern struct task_struct * _switch(struct thread_struct *prev, |
145 | struct thread_struct *next); | 145 | struct thread_struct *next); |
146 | 146 | ||
147 | static inline int __is_processor(unsigned long pv) | ||
148 | { | ||
149 | unsigned long pvr; | ||
150 | asm("mfspr %0, 0x11F" : "=r" (pvr)); | ||
151 | return(PVR_VER(pvr) == pv); | ||
152 | } | ||
153 | |||
154 | /* | 147 | /* |
155 | * Atomic exchange | 148 | * Atomic exchange |
156 | * | 149 | * |