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exec: Propagate cpu_memory_rw_debug() error

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Do not ignore the MemTxResult error type returned by
the address_space_rw() API.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé
2020-05-18 17:53:03 +02:00
committed by Paolo Bonzini
parent 38df19fad7
commit ddfc8b96ee
2 changed files with 9 additions and 4 deletions
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10
exec.c
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@@ -3771,6 +3771,7 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
while (len > 0) {
int asidx;
MemTxAttrs attrs;
MemTxResult res;
page = addr & TARGET_PAGE_MASK;
phys_addr = cpu_get_phys_page_attrs_debug(cpu, page, &attrs);
@@ -3783,11 +3784,14 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
l = len;
phys_addr += (addr & ~TARGET_PAGE_MASK);
if (is_write) {
address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr,
res = address_space_write_rom(cpu->cpu_ases[asidx].as, phys_addr,
attrs, buf, l);
} else {
address_space_read(cpu->cpu_ases[asidx].as, phys_addr, attrs, buf,
l);
res = address_space_read(cpu->cpu_ases[asidx].as, phys_addr,
attrs, buf, l);
}
if (res != MEMTX_OK) {
return -1;
}
len -= l;
buf += l;

1
include/exec/cpu-all.h
View File

@@ -413,6 +413,7 @@ void dump_exec_info(void);
void dump_opcount_info(void);
#endif /* !CONFIG_USER_ONLY */
/* Returns: 0 on success, -1 on error */
int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
void *ptr, target_ulong len, bool is_write);