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qemu-patch-raspberry4
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softmmu: Dont clobber retaddr in slow_ldx(). 

When splitting up unaligned IO accesses, ld calls slow_ld which was
clobbering retaddr.

AFAIK the problem only shows up when running emulations with -icount
that may abort TB execution on IO accesses.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
stable-0.13
Edgar E. Iglesias 2010-01-26 13:55:55 +01:00
parent 6792aa115e
commit 794401ca9c
1 changed files with 0 additions and 1 deletions
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softmmu_template.h
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@ -152,7 +152,6 @@ static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(target_ulong addr,
/* IO access */
if ((addr & (DATA_SIZE - 1)) != 0)
goto do_unaligned_access;
retaddr = GETPC();
addend = env->iotlb[mmu_idx][index];
res = glue(io_read, SUFFIX)(addend, addr, retaddr);
} else if (((addr & ~TARGET_PAGE_MASK) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) {