Signed-off-by: Mihail Abakumov <[email protected]>
Signed-off-by: Pavel Dovgalyuk <[email protected]>
Signed-off-by: Dmitriy Koltunov <[email protected]>
---
include/exec/windbgstub-utils.h | 1 +
windbgstub-utils.c | 36 ++++++++++++++++++++++++++++++++++++
windbgstub.c | 4 ++++
3 files changed, 41 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index ba001ddb42..d1a10c862e 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -119,6 +119,7 @@ void kd_api_get_version(CPUState *cpu, PacketData *pd);
void kd_api_read_msr(CPUState *cpu, PacketData *pd);
void kd_api_write_msr(CPUState *cpu, PacketData *pd);
void kd_api_search_memory(CPUState *cpu, PacketData *pd);
+void kd_api_fill_memory(CPUState *cpu, PacketData *pd);
void kd_api_unsupported(CPUState *cpu, PacketData *pd);
SizedBuf kd_gen_exception_sc(CPUState *cpu);
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 2d3fbcc41c..3832e0b116 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -1570,6 +1570,42 @@ void kd_api_search_memory(CPUState *cpu, PacketData *pd)
pd->extra_size = 0;
}
+void kd_api_fill_memory(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_FILL_MEMORY *m64c = &pd->m64.u.FillMemory;
+
+ uint32_t len = ldl_p(&m64c->Length);
+ target_ulong addr = ldq_p(&m64c->Address);
+ uint16_t pattern = ldl_p(&m64c->PatternLength);
+ uint16_t flags = ldl_p(&m64c->Flags);
+
+ uint8_t mem[len];
+ int i, err;
+ for (i = 0; i < len; ++i) {
+ mem[i] = pd->extra[i % pattern];
+ }
+
+ switch (flags) {
+ case DBGKD_FILL_MEMORY_VIRTUAL:
+ err = cpu_memory_rw_debug(cpu, addr, mem, len, 1);
+ if (err) {
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ WINDBG_DEBUG("fill_memory: No physical page mapped: " FMT_ADDR,
+ addr);
+ }
+ break;
+
+ case DBGKD_FILL_MEMORY_PHYSICAL:
+ cpu_physical_memory_rw(addr, mem, len, 1);
+ break;
+
+ default:
+ break;
+ }
+
+ pd->extra_size = 0;
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Catched unimplemented api %s",
diff --git a/windbgstub.c b/windbgstub.c
index 7cff6bc514..b01ddcf009 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -209,6 +209,10 @@ static void
windbg_process_manipulate_packet(ParsingContext *ctx)
kd_api_search_memory(cpu, &ctx->data);
break;
+ case DbgKdFillMemoryApi:
+ kd_api_fill_memory(cpu, &ctx->data);
+ break;
+
default:
kd_api_unsupported(cpu, &ctx->data);
break;
