*/
#include <asm/types.h>
-
-#define PPC_NOP_INSTR 0x60000000
-#define PPC_LWSYNC_INSTR 0x7c2004ac
+#include <asm/ppc-opcode.h>
/* Flags for create_branch:
* "b" == create_branch(addr, target, 0);
--- /dev/null
+/*
+ * Copyright 2009 Freescale Semicondutor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * provides masks and opcode images for use by code generation, emulation
+ * and for instructions that older assemblers might not know about
+ */
+#ifndef _ASM_POWERPC_PPC_OPCODE_H
+#define _ASM_POWERPC_PPC_OPCODE_H
+
+#include <linux/stringify.h>
+#include <asm/asm-compat.h>
+
+/* sorted alphabetically */
+#define PPC_INST_DCBA 0x7c0005ec
+#define PPC_INST_DCBA_MASK 0xfc0007fe
+#define PPC_INST_DCBAL 0x7c2005ec
+#define PPC_INST_DCBZL 0x7c2007ec
+#define PPC_INST_ISEL 0x7c00001e
+#define PPC_INST_ISEL_MASK 0xfc00003e
+#define PPC_INST_LSWI 0x7c0004aa
+#define PPC_INST_LSWX 0x7c00042a
+#define PPC_INST_LWSYNC 0x7c2004ac
+#define PPC_INST_MCRXR 0x7c000400
+#define PPC_INST_MCRXR_MASK 0xfc0007fe
+#define PPC_INST_MFSPR_PVR 0x7c1f42a6
+#define PPC_INST_MFSPR_PVR_MASK 0xfc1fffff
+#define PPC_INST_MSGSND 0x7c00019c
+#define PPC_INST_NOP 0x60000000
+#define PPC_INST_POPCNTB 0x7c0000f4
+#define PPC_INST_POPCNTB_MASK 0xfc0007fe
+#define PPC_INST_RFCI 0x4c000066
+#define PPC_INST_RFDI 0x4c00004e
+#define PPC_INST_RFMCI 0x4c00004c
+
+#define PPC_INST_STRING 0x7c00042a
+#define PPC_INST_STRING_MASK 0xfc0007fe
+#define PPC_INST_STRING_GEN_MASK 0xfc00067e
+
+#define PPC_INST_STSWI 0x7c0005aa
+#define PPC_INST_STSWX 0x7c00052a
+#define PPC_INST_TLBILX 0x7c000626
+#define PPC_INST_WAIT 0x7c00007c
+
+/* macros to insert fields into opcodes */
+#define __PPC_RA(a) ((a & 0x1f) << 16)
+#define __PPC_RB(b) ((b & 0x1f) << 11)
+#define __PPC_T_TLB(t) ((t & 0x3) << 21)
+#define __PPC_WC(w) ((w & 0x3) << 21)
+
+/* Deal with instructions that older assemblers aren't aware of */
+#define PPC_DCBAL(a, b) stringify_in_c(.long PPC_INST_DCBAL | \
+ __PPC_RA(a) | __PPC_RB(b))
+#define PPC_DCBZL(a, b) stringify_in_c(.long PPC_INST_DCBZL | \
+ __PPC_RA(a) | __PPC_RB(b))
+#define PPC_MSGSND(b) stringify_in_c(.long PPC_INST_MSGSND | \
+ __PPC_RB(b))
+#define PPC_RFCI stringify_in_c(.long PPC_INST_RFCI)
+#define PPC_RFDI stringify_in_c(.long PPC_INST_RFDI)
+#define PPC_RFMCI stringify_in_c(.long PPC_INST_RFMCI)
+#define PPC_TLBILX(t, a, b) stringify_in_c(.long PPC_INST_TLBILX | \
+ __PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
+#define PPC_TLBILX_ALL(a, b) PPC_TLBILX(0, a, b)
+#define PPC_TLBILX_PID(a, b) PPC_TLBILX(1, a, b)
+#define PPC_TLBILX_VA(a, b) PPC_TLBILX(3, a, b)
+#define PPC_WAIT(w) stringify_in_c(.long PPC_INST_WAIT | \
+ __PPC_WC(w))
+
+#endif /* _ASM_POWERPC_PPC_OPCODE_H */
#include <linux/stringify.h>
#include <asm/asm-compat.h>
#include <asm/processor.h>
+#include <asm/ppc-opcode.h>
#ifndef __ASSEMBLY__
#error __FILE__ should only be used in assembler files
#define HMT_MEDIUM_HIGH or 5,5,5 # medium high priority
#define HMT_HIGH or 3,3,3
-/* handle instructions that older assemblers may not know */
-#define RFCI .long 0x4c000066 /* rfci instruction */
-#define RFDI .long 0x4c00004e /* rfdi instruction */
-#define RFMCI .long 0x4c00004c /* rfmci instruction */
-
#ifdef __KERNEL__
#ifdef CONFIG_PPC64
* branch to "addr" we jump to ("addr" + 32 MB). Although it requires
* two instructions it doesn't require any registers.
*/
- patch_instruction(p, PPC_NOP_INSTR);
+ patch_instruction(p, PPC_INST_NOP);
patch_branch(++p, addr + PHYSICAL_START, 0);
}
lwz r10,crit_srr1@l(r10);
mtspr SPRN_SRR0,r9;
mtspr SPRN_SRR1,r10;
- RET_FROM_EXC_LEVEL(SPRN_CSRR0, SPRN_CSRR1, RFCI)
+ RET_FROM_EXC_LEVEL(SPRN_CSRR0, SPRN_CSRR1, PPC_RFCI)
#endif /* CONFIG_40x */
#ifdef CONFIG_BOOKE
stw r10,KSP_LIMIT(r9)
RESTORE_xSRR(SRR0,SRR1);
RESTORE_MMU_REGS;
- RET_FROM_EXC_LEVEL(SPRN_CSRR0, SPRN_CSRR1, RFCI)
+ RET_FROM_EXC_LEVEL(SPRN_CSRR0, SPRN_CSRR1, PPC_RFCI)
.globl ret_from_debug_exc
ret_from_debug_exc:
RESTORE_xSRR(SRR0,SRR1);
RESTORE_xSRR(CSRR0,CSRR1);
RESTORE_MMU_REGS;
- RET_FROM_EXC_LEVEL(SPRN_DSRR0, SPRN_DSRR1, RFDI)
+ RET_FROM_EXC_LEVEL(SPRN_DSRR0, SPRN_DSRR1, PPC_RFDI)
.globl ret_from_mcheck_exc
ret_from_mcheck_exc:
RESTORE_xSRR(CSRR0,CSRR1);
RESTORE_xSRR(DSRR0,DSRR1);
RESTORE_MMU_REGS;
- RET_FROM_EXC_LEVEL(SPRN_MCSRR0, SPRN_MCSRR1, RFMCI)
+ RET_FROM_EXC_LEVEL(SPRN_MCSRR0, SPRN_MCSRR1, PPC_RFMCI)
#endif /* CONFIG_BOOKE */
/*
#ifdef CONFIG_DYNAMIC_FTRACE
static unsigned int ftrace_nop_replace(void)
{
- return PPC_NOP_INSTR;
+ return PPC_INST_NOP;
}
static unsigned int
return -EINVAL;
}
- op = PPC_NOP_INSTR;
+ op = PPC_INST_NOP;
if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
return -EPERM;
* b +8; ld r2,40(r1)
*/
if (((op[0] != 0x48000008) || (op[1] != 0xe8410028)) &&
- ((op[0] != PPC_NOP_INSTR) || (op[1] != PPC_NOP_INSTR))) {
+ ((op[0] != PPC_INST_NOP) || (op[1] != PPC_INST_NOP))) {
printk(KERN_ERR "Expected NOPs but have %x %x\n", op[0], op[1]);
return -EINVAL;
}
return -EFAULT;
/* It should be pointing to a nop */
- if (op != PPC_NOP_INSTR) {
+ if (op != PPC_INST_NOP) {
printk(KERN_ERR "Expected NOP but have %x\n", op);
return -EINVAL;
}
lwz r11,GPR11(r8); \
mfspr r8,DEBUG_SPRG; \
\
- RFDI; \
+ PPC_RFDI; \
b .; \
\
/* continue normal handling for a debug exception... */ \
restore r2. */
static int restore_r2(u32 *instruction, struct module *me)
{
- if (*instruction != PPC_NOP_INSTR) {
+ if (*instruction != PPC_INST_NOP) {
printk("%s: Expect noop after relocate, got %08x\n",
me->name, *instruction);
return 0;
#include <asm/processor.h>
#endif
#include <asm/kexec.h>
+#include <asm/ppc-opcode.h>
#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
int (*__debugger)(struct pt_regs *regs);
* bits is faster and easier.
*
*/
-#define INST_MFSPR_PVR 0x7c1f42a6
-#define INST_MFSPR_PVR_MASK 0xfc1fffff
-
-#define INST_DCBA 0x7c0005ec
-#define INST_DCBA_MASK 0xfc0007fe
-
-#define INST_MCRXR 0x7c000400
-#define INST_MCRXR_MASK 0xfc0007fe
-
-#define INST_STRING 0x7c00042a
-#define INST_STRING_MASK 0xfc0007fe
-#define INST_STRING_GEN_MASK 0xfc00067e
-#define INST_LSWI 0x7c0004aa
-#define INST_LSWX 0x7c00042a
-#define INST_STSWI 0x7c0005aa
-#define INST_STSWX 0x7c00052a
-
-#define INST_POPCNTB 0x7c0000f4
-#define INST_POPCNTB_MASK 0xfc0007fe
-
-#define INST_ISEL 0x7c00001e
-#define INST_ISEL_MASK 0xfc00003e
-
static int emulate_string_inst(struct pt_regs *regs, u32 instword)
{
u8 rT = (instword >> 21) & 0x1f;
int pos = 0;
/* Early out if we are an invalid form of lswx */
- if ((instword & INST_STRING_MASK) == INST_LSWX)
+ if ((instword & PPC_INST_STRING_MASK) == PPC_INST_LSWX)
if ((rT == rA) || (rT == NB_RB))
return -EINVAL;
EA = (rA == 0) ? 0 : regs->gpr[rA];
- switch (instword & INST_STRING_MASK) {
- case INST_LSWX:
- case INST_STSWX:
+ switch (instword & PPC_INST_STRING_MASK) {
+ case PPC_INST_LSWX:
+ case PPC_INST_STSWX:
EA += NB_RB;
num_bytes = regs->xer & 0x7f;
break;
- case INST_LSWI:
- case INST_STSWI:
+ case PPC_INST_LSWI:
+ case PPC_INST_STSWI:
num_bytes = (NB_RB == 0) ? 32 : NB_RB;
break;
default:
u8 val;
u32 shift = 8 * (3 - (pos & 0x3));
- switch ((instword & INST_STRING_MASK)) {
- case INST_LSWX:
- case INST_LSWI:
+ switch ((instword & PPC_INST_STRING_MASK)) {
+ case PPC_INST_LSWX:
+ case PPC_INST_LSWI:
if (get_user(val, (u8 __user *)EA))
return -EFAULT;
/* first time updating this reg,
regs->gpr[rT] = 0;
regs->gpr[rT] |= val << shift;
break;
- case INST_STSWI:
- case INST_STSWX:
+ case PPC_INST_STSWI:
+ case PPC_INST_STSWX:
val = regs->gpr[rT] >> shift;
if (put_user(val, (u8 __user *)EA))
return -EFAULT;
return -EFAULT;
/* Emulate the mfspr rD, PVR. */
- if ((instword & INST_MFSPR_PVR_MASK) == INST_MFSPR_PVR) {
+ if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {
rd = (instword >> 21) & 0x1f;
regs->gpr[rd] = mfspr(SPRN_PVR);
return 0;
}
/* Emulating the dcba insn is just a no-op. */
- if ((instword & INST_DCBA_MASK) == INST_DCBA)
+ if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA)
return 0;
/* Emulate the mcrxr insn. */
- if ((instword & INST_MCRXR_MASK) == INST_MCRXR) {
+ if ((instword & PPC_INST_MCRXR_MASK) == PPC_INST_MCRXR) {
int shift = (instword >> 21) & 0x1c;
unsigned long msk = 0xf0000000UL >> shift;
}
/* Emulate load/store string insn. */
- if ((instword & INST_STRING_GEN_MASK) == INST_STRING)
+ if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING)
return emulate_string_inst(regs, instword);
/* Emulate the popcntb (Population Count Bytes) instruction. */
- if ((instword & INST_POPCNTB_MASK) == INST_POPCNTB) {
+ if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {
return emulate_popcntb_inst(regs, instword);
}
/* Emulate isel (Integer Select) instruction */
- if ((instword & INST_ISEL_MASK) == INST_ISEL) {
+ if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {
return emulate_isel(regs, instword);
}
}
for (; dest < end; dest++)
- patch_instruction(dest, PPC_NOP_INSTR);
+ patch_instruction(dest, PPC_INST_NOP);
return 0;
}
for (; start < end; start++) {
dest = (void *)start + *start;
- patch_instruction(dest, PPC_LWSYNC_INSTR);
+ patch_instruction(dest, PPC_INST_LWSYNC);
}
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff