diff options
Diffstat (limited to 'arch/mn10300/mm')
| -rw-r--r-- | arch/mn10300/mm/misalignment.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c index 32aa89dc384..416c43baaa2 100644 --- a/arch/mn10300/mm/misalignment.c +++ b/arch/mn10300/mm/misalignment.c @@ -37,7 +37,7 @@ #include <asm/asm-offsets.h> #if 0 -#define kdebug(FMT, ...) printk(KERN_DEBUG FMT, ##__VA_ARGS__) +#define kdebug(FMT, ...) printk(KERN_DEBUG "MISALIGN: "FMT"\n", ##__VA_ARGS__) #else #define kdebug(FMT, ...) do {} while (0) #endif @@ -50,14 +50,6 @@ static int misalignment_reg(unsigned long *registers, unsigned params, unsigned opcode, unsigned disp, unsigned long **_register); -static inline unsigned int_log2(unsigned x) -{ - unsigned y; - asm("bsch %1,%0" : "=r"(y) : "r"(x), "0"(0)); - return y; -} -#define log2(x) int_log2(x) - static const unsigned Dreg_index[] = { REG_D0 >> 2, REG_D1 >> 2, REG_D2 >> 2, REG_D3 >> 2 }; @@ -88,7 +80,7 @@ enum format_id { FMT_D9, }; -struct { +static const struct { u_int8_t opsz, dispsz; } format_tbl[16] = { [FMT_S0] = { 8, 0 }, @@ -273,7 +265,7 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) void *address; unsigned tmp, npop; - kdebug("MISALIGN at %lx\n", regs->pc); + kdebug("==>misalignment({pc=%lx})", regs->pc); if (in_interrupt()) die("Misalignment trap in interrupt context", regs, code); @@ -295,7 +287,7 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) noc = 8; for (pop = mn10300_opcodes; pop->name; pop++) { - npop = log2(pop->opcode | pop->opmask); + npop = ilog2(pop->opcode | pop->opmask); if (npop <= 0 || npop > 31) continue; npop = (npop + 8) & ~7; @@ -391,7 +383,7 @@ transfer_failed: /* we matched the opcode */ found_opcode: - kdebug("MISALIGN: %lx: %x==%x { %x, %x }\n", + kdebug("%lx: %x==%x { %x, %x }", regs->pc, opcode, pop->opcode, pop->params[0], pop->params[1]); tmp = format_tbl[pop->format].opsz; @@ -442,13 +434,13 @@ found_opcode: goto bad_reg_mode; if (strcmp(pop->name, "mov") == 0) { - kdebug("FIXUP: mov (%p),DARn\n", address); + kdebug("mov (%p),DARn", address); if (copy_from_user(&data, (void *) address, 4) != 0) goto transfer_failed; if (pop->params[0] & 0x1000000) *postinc += 4; } else if (strcmp(pop->name, "movhu") == 0) { - kdebug("FIXUP: movhu (%p),DARn\n", address); + kdebug("movhu (%p),DARn", address); data = 0; if (copy_from_user(&data, (void *) address, 2) != 0) goto transfer_failed; @@ -472,14 +464,13 @@ found_opcode: data = *store; if (strcmp(pop->name, "mov") == 0) { - kdebug("FIXUP: mov %lx,(%p)\n", data, address); + kdebug("mov %lx,(%p)", data, address); if (copy_to_user((void *) address, &data, 4) != 0) goto transfer_failed; if (pop->params[1] & 0x1000000) *postinc += 4; } else if (strcmp(pop->name, "movhu") == 0) { - kdebug("FIXUP: movhu %hx,(%p)\n", - (uint16_t) data, address); + kdebug("movhu %hx,(%p)", (uint16_t) data, address); if (copy_to_user((void *) address, &data, 2) != 0) goto transfer_failed; if (pop->params[1] & 0x1000000) |