[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v3 42/45] windbg: implemented kd_api_fill_memory
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH v3 42/45] windbg: implemented kd_api_fill_memory |
Date: |
Tue, 21 Nov 2017 17:11:14 +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 | 1 +
windbgstub-utils.c | 39 +++++++++++++++++++++++++++++++++++++++
windbgstub.c | 4 ++++
3 files changed, 44 insertions(+)
diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index c2eb8a75a7..e144294b51 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -103,6 +103,7 @@ 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 1f4590f338..fb2c378460 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -294,6 +294,45 @@ void kd_api_search_memory(CPUState *cpu, PacketData *pd)
}
}
+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);
+ int err, offset = 0;
+
+ uint8_t mem[pattern];
+ memcpy(mem, pd->extra, pattern);
+
+ pd->extra_size = 0;
+
+ switch (flags) {
+ case DBGKD_FILL_MEMORY_VIRTUAL:
+ while (offset < len) {
+ err = cpu_memory_rw_debug(cpu, addr + offset, mem,
+ MIN(pattern, len - offset), 1);
+ offset += pattern;
+ if (err) {
+ WINDBG_DEBUG("fill_memory: No physical page mapped: " FMT_ADDR,
+ addr);
+ }
+ }
+ break;
+
+ case DBGKD_FILL_MEMORY_PHYSICAL:
+ while (offset < len) {
+ cpu_physical_memory_rw(addr, mem, MIN(pattern, len - offset), 1);
+ offset += pattern;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
void kd_api_unsupported(CPUState *cpu, PacketData *pd)
{
WINDBG_ERROR("Caught unimplemented api %s",
diff --git a/windbgstub.c b/windbgstub.c
index d35ff6ba96..b348028dfd 100755
--- a/windbgstub.c
+++ b/windbgstub.c
@@ -216,6 +216,10 @@ 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;
- Re: [Qemu-devel] [PATCH v3 35/45] windbg: debug exception subscribing, (continued)
- [Qemu-devel] [PATCH v3 36/45] windbg: implemented kd_api_continue, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 37/45] windbg: implemented kd_api_read_io_space and kd_api_write_io_space, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 38/45] windbg: implemented kd_api_read_physical_memory and kd_api_write_physical_memory, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 39/45] windbg: implemented kd_api_get_version, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 40/45] windbg: implemented kd_api_read_msr and kd_api_write_msr, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 41/45] windbg: implemented kd_api_search_memory, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 42/45] windbg: implemented kd_api_fill_memory,
Mihail Abakumov <=
- [Qemu-devel] [PATCH v3 43/45] windbg: implemented kd_api_query_memory, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 44/45] windbg: added new api functions, Mihail Abakumov, 2017/11/21
- [Qemu-devel] [PATCH v3 45/45] windbg: implemented kd_api_get_context_ex and kd_api_set_context_ex, Mihail Abakumov, 2017/11/21
- Re: [Qemu-devel] [PATCH v3 00/45] Windbg supporting, no-reply, 2017/11/21
- Re: [Qemu-devel] [PATCH v3 00/45] Windbg supporting, no-reply, 2017/11/22
- Re: [Qemu-devel] [PATCH v3 00/45] Windbg supporting, no-reply, 2017/11/22