@@ -74,6 +74,8 @@ typedef struct PacketData {
InitedAddr *windbg_get_KPCR(void);
InitedAddr *windbg_get_version(void);
+void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd);
+void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd);
void kd_api_unsupported(CPUState *cpu, PacketData *pd);
SizedBuf kd_gen_exception_sc(CPUState *cpu);
@@ -24,6 +24,53 @@ InitedAddr *windbg_get_version(void)
return &version;
}
+void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_READ_MEMORY64 *mem = &pd->m64.u.ReadMemory;
+ uint32_t len;
+ target_ulong addr;
+ int err;
+
+ len = MIN(ldl_p(&mem->TransferCount),
+ PACKET_MAX_SIZE - sizeof(DBGKD_MANIPULATE_STATE64));
+ addr = ldtul_p(&mem->TargetBaseAddress);
+ err = cpu_memory_rw_debug(cpu, addr, pd->extra, len, 0);
+
+ if (err) {
+ len = 0;
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+
+ WINDBG_DEBUG("read_virtual_memory: No physical page mapped: " FMT_ADDR,
+ (target_ulong) mem->TargetBaseAddress);
+ }
+
+ pd->extra_size = len;
+ stl_p(&mem->ActualBytesRead, len);
+}
+
+void kd_api_write_virtual_memory(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_WRITE_MEMORY64 *mem = &pd->m64.u.WriteMemory;
+ uint32_t len;
+ target_ulong addr;
+ int err;
+
+ len = MIN(ldl_p(&mem->TransferCount), pd->extra_size);
+ addr = ldtul_p(&mem->TargetBaseAddress);
+ err = cpu_memory_rw_debug(cpu, addr, pd->extra, len, 1);
+
+ if (err) {
+ len = 0;
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+
+ WINDBG_DEBUG("read_write_memory: No physical page mapped: " FMT_ADDR,
+ (target_ulong) mem->TargetBaseAddress);
+ }
+
+ pd->extra_size = 0;
+ stl_p(&mem->ActualBytesWritten, len);
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Caught unimplemented api %s",
@@ -140,6 +140,14 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx)
switch (ctx->data.m64.ApiNumber) {
+ case DbgKdReadVirtualMemoryApi:
+ kd_api_read_virtual_memory(cpu, &ctx->data);
+ break;
+
+ case DbgKdWriteVirtualMemoryApi:
+ kd_api_write_virtual_memory(cpu, &ctx->data);
+ break;
+
default:
kd_api_unsupported(cpu, &ctx->data);
break;