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[Qemu-devel] [PATCH v2 37/43] windbg: implemented kd_api_read_io_space a
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH v2 37/43] windbg: implemented kd_api_read_io_space and kd_api_write_io_space |
Date: |
Tue, 17 Oct 2017 16:12:20 +0300 |
User-agent: |
StGit/0.17.1-dirty |
Signed-off-by: Mihail Abakumov <address@hidden>
Signed-off-by: Pavel Dovgalyuk <address@hidden>
Signed-off-by: Dmitriy Koltunov <address@hidden>
---
include/exec/windbgstub-utils.h | 2 +
windbgstub-utils.c | 62 +++++++++++++++++++++++++++++++++++++++
windbgstub.c | 8 +++++
3 files changed, 72 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index 49b05226b3..dde88f24c9 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -102,6 +102,8 @@ 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);
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index dce2b4ccde..b32b4ea570 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -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",
diff --git a/windbgstub.c b/windbgstub.c
index a04698b003..397dedd9d1 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -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);
- [Qemu-devel] [PATCH v2 27/43] windbg: implemented windbg_write_context, (continued)
- [Qemu-devel] [PATCH v2 27/43] windbg: implemented windbg_write_context, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 28/43] windbg: implemented windbg_read_ks_regs, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 29/43] windbg: implemented windbg_write_ks_regs, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 30/43] windbg: implemented windbg_set_sr, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 31/43] windbg: implemented windbg_set_dr, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 32/43] windbg: implemented windbg_set_dr7, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 33/43] windbg: implemented windbg_hw_breakpoint_insert and windbg_hw_breakpoint_remove, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 34/43] windbg: implemented kd_api_write_breakpoint and kd_api_restore_breakpoint, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 35/43] windbg: debug exception subscribing, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 36/43] windbg: implemented kd_api_continue, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 37/43] windbg: implemented kd_api_read_io_space and kd_api_write_io_space,
Mihail Abakumov <=
- [Qemu-devel] [PATCH v2 38/43] windbg: implemented kd_api_read_physical_memory and kd_api_write_physical_memory, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 40/43] windbg: implemented kd_api_read_msr and kd_api_write_msr, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 39/43] windbg: implemented kd_api_get_version, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 41/43] windbg: implemented kd_api_search_memory, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 42/43] windbg: implemented kd_api_fill_memory, Mihail Abakumov, 2017/10/17
- [Qemu-devel] [PATCH v2 43/43] windbg: implemented kd_api_query_memory, Mihail Abakumov, 2017/10/17
- Re: [Qemu-devel] [PATCH v2 00/43] Windbg supporting, no-reply, 2017/10/17
- Re: [Qemu-devel] [PATCH v2 00/43] Windbg supporting, no-reply, 2017/10/17
- Re: [Qemu-devel] [PATCH v2 00/43] Windbg supporting, Ladi Prosek, 2017/10/23