diff options
Diffstat (limited to 'arch/mn10300/mm/misalignment.c')
| -rw-r--r-- | arch/mn10300/mm/misalignment.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c index ab03bac497c..614c32b6325 100644 --- a/arch/mn10300/mm/misalignment.c +++ b/arch/mn10300/mm/misalignment.c @@ -43,11 +43,11 @@ #endif static int misalignment_addr(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, void **_address, unsigned long **_postinc); static int misalignment_reg(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, unsigned long **_register); static const unsigned Dreg_index[] = { @@ -304,13 +304,13 @@ asmlinkage void misalignment(struct pt_regs *regs, enum exception_code code) const struct exception_table_entry *fixup; const struct mn10300_opcode *pop; unsigned long *registers = (unsigned long *) regs; - unsigned long data, *store, *postinc; + unsigned long data, *store, *postinc, disp; mm_segment_t seg; siginfo_t info; - uint32_t opcode, disp, noc, xo, xm; + uint32_t opcode, noc, xo, xm; uint8_t *pc, byte; void *address; - unsigned tmp, npop; + unsigned tmp, npop, dispsz, loop; kdebug("==>misalignment({pc=%lx})", regs->pc); @@ -445,17 +445,17 @@ found_opcode: /* grab the extra displacement (note it's LSB first) */ disp = 0; - tmp = format_tbl[pop->format].dispsz >> 3; - while (tmp > 0) { - tmp--; - disp <<= 8; - + dispsz = format_tbl[pop->format].dispsz; + for (loop = 0; loop < dispsz; loop += 8) { pc++; if (__get_user(byte, pc) != 0) goto fetch_error; - disp |= byte; + disp |= byte << loop; + kdebug("{%p} disp[%02x]=%02x", pc, loop, byte); } + kdebug("disp=%lx", disp); + set_fs(KERNEL_XDS); if (fixup || regs->epsw & EPSW_nSL) set_fs(seg); @@ -538,7 +538,7 @@ found_opcode: * determine the address that was being accessed */ static int misalignment_addr(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, void **_address, unsigned long **_postinc) { unsigned long *postinc = NULL, address = 0, tmp; @@ -644,7 +644,7 @@ static int misalignment_addr(unsigned long *registers, unsigned params, * determine the register that is acting as source/dest */ static int misalignment_reg(unsigned long *registers, unsigned params, - unsigned opcode, unsigned disp, + unsigned opcode, unsigned long disp, unsigned long **_register) { params &= 0x7fffffff; |