diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-12-05 19:57:57 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-12-05 19:57:57 +0000 |
| commit | a64d4718f1afde08fb74910242e7a7b946c3f162 (patch) | |
| tree | d67395ee7863460915b5cd1ea4afe99a48798173 | |
| parent | 2d7272a5884d90ed1ac78fdb436621db1f192909 (diff) | |
MIPS unaligned accesses exceptions (Daniel Jacobowitz)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1688 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | softmmu_template.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/softmmu_template.h b/softmmu_template.h index c14407d3f3..9bae4f6282 100644 --- a/softmmu_template.h +++ b/softmmu_template.h @@ -97,15 +97,28 @@ DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(target_ulong addr, /* slow unaligned access (it spans two pages or IO) */ do_unaligned_access: retaddr = GETPC(); +#ifdef ALIGNED_ONLY + do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr); +#endif res = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr, is_user, retaddr); } else { - /* unaligned access in the same page */ + /* unaligned/aligned access in the same page */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + retaddr = GETPC(); + do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr); + } +#endif res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)(long)physaddr); } } else { /* the page is not in the TLB : fill it */ retaddr = GETPC(); +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) + do_unaligned_access(addr, READ_ACCESS_TYPE, is_user, retaddr); +#endif tlb_fill(addr, READ_ACCESS_TYPE, is_user, retaddr); goto redo; } @@ -213,15 +226,28 @@ void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr, } else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) { do_unaligned_access: retaddr = GETPC(); +#ifdef ALIGNED_ONLY + do_unaligned_access(addr, 1, is_user, retaddr); +#endif glue(glue(slow_st, SUFFIX), MMUSUFFIX)(addr, val, is_user, retaddr); } else { /* aligned/unaligned access in the same page */ +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) { + retaddr = GETPC(); + do_unaligned_access(addr, 1, is_user, retaddr); + } +#endif glue(glue(st, SUFFIX), _raw)((uint8_t *)(long)physaddr, val); } } else { /* the page is not in the TLB : fill it */ retaddr = GETPC(); +#ifdef ALIGNED_ONLY + if ((addr & (DATA_SIZE - 1)) != 0) + do_unaligned_access(addr, 1, is_user, retaddr); +#endif tlb_fill(addr, 1, is_user, retaddr); goto redo; } |