@@ -95,6 +95,8 @@ void kd_api_restore_breakpoint(CPUState *cpu, PacketData *pd);
void kd_api_continue(CPUState *cpu, PacketData *pd);
void kd_api_read_control_space(CPUState *cpu, PacketData *pd);
void kd_api_write_control_space(CPUState *cpu, PacketData *pd);
+void kd_api_read_io_space(CPUState *cpu, PacketData *pd);
+void kd_api_write_io_space(CPUState *cpu, PacketData *pd);
void kd_api_unsupported(CPUState *cpu, PacketData *pd);
SizedBuf kd_gen_exception_sc(CPUState *cpu);
@@ -11,6 +11,7 @@
#include "exec/windbgstub-utils.h"
#include "sysemu/sysemu.h"
+#include "exec/address-spaces.h"
static InitedAddr KPCR;
static InitedAddr version;
@@ -148,6 +149,67 @@ void kd_api_continue(CPUState *cpu, PacketData *pd)
}
}
+void kd_api_read_io_space(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_READ_WRITE_IO64 *io = &pd->m64.u.ReadWriteIo;
+ CPUArchState *env = cpu->env_ptr;
+
+ target_ulong addr = ldtul_p(&io->IoAddress);
+ uint32_t value = 0;
+
+ switch (io->DataSize) {
+ case 1:
+ value = address_space_ldub(&address_space_io, addr,
+ cpu_get_mem_attrs(env), NULL);
+ stl_p(&io->DataValue, value);
+ break;
+ case 2:
+ value = address_space_lduw(&address_space_io, addr,
+ cpu_get_mem_attrs(env), NULL);
+ stl_p(&io->DataValue, value);
+ break;
+ case 4:
+ value = address_space_ldl(&address_space_io, addr,
+ cpu_get_mem_attrs(env), NULL);
+ stl_p(&io->DataValue, value);
+ break;
+ default:
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ return;
+ }
+
+ pd->m64.ReturnStatus = STATUS_SUCCESS;
+}
+
+void kd_api_write_io_space(CPUState *cpu, PacketData *pd)
+{
+ DBGKD_READ_WRITE_IO64 *io = &pd->m64.u.ReadWriteIo;
+ CPUArchState *env = cpu->env_ptr;
+
+ target_ulong addr = ldtul_p(&io->IoAddress);
+ uint32_t value = ldl_p(&io->DataValue);
+
+ switch (io->DataSize) {
+ case 1:
+ address_space_stb(&address_space_io, addr, value,
+ cpu_get_mem_attrs(env), NULL);
+ break;
+ case 2:
+ address_space_stw(&address_space_io, addr, value,
+ cpu_get_mem_attrs(env), NULL);
+ break;
+ case 4:
+ address_space_stl(&address_space_io, addr, value,
+ cpu_get_mem_attrs(env), NULL);
+ break;
+ default:
+ pd->m64.ReturnStatus = STATUS_UNSUCCESSFUL;
+ return;
+ }
+
+ pd->m64.ReturnStatus = STATUS_SUCCESS;
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Caught unimplemented api %s",
@@ -168,6 +168,14 @@ static void windbg_process_manipulate_packet(ParsingContext *ctx)
kd_api_restore_breakpoint(cpu, &ctx->data);
break;
+ case DbgKdReadIoSpaceApi:
+ kd_api_read_io_space(cpu, &ctx->data);
+ break;
+
+ case DbgKdWriteIoSpaceApi:
+ kd_api_write_io_space(cpu, &ctx->data);
+ break;
+
case DbgKdContinueApi:
case DbgKdContinueApi2:
kd_api_continue(cpu, &ctx->data);