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[Qemu-devel] [PATCH 29/43] windbg: implemented windbg_write_ks_regs
From: |
Mihail Abakumov |
Subject: |
[Qemu-devel] [PATCH 29/43] windbg: implemented windbg_write_ks_regs |
Date: |
Tue, 26 Sep 2017 14:06:49 +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>
---
windbgstub-utils.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 117 insertions(+)
diff --git a/windbgstub-utils.c b/windbgstub-utils.c
index 537ba9e2aa..f788df2736 100755
--- a/windbgstub-utils.c
+++ b/windbgstub-utils.c
@@ -631,7 +631,124 @@ static int windbg_read_ks_regs(CPUState *cpu, uint8_t
*buf, int len,
static int windbg_write_ks_regs(CPUState *cpu, uint8_t *buf, int len,
int offset)
{
+ #ifdef TARGET_X86_64 /* Unimplemented yet */
return 0;
+ #else
+
+ CPUArchState *env = cpu->env_ptr;
+ int mem_size;
+ uint8_t *mem_ptr = buf;
+ while (len > 0 && offset < sizeof(CPU_KSPECIAL_REGISTERS)) {
+ mem_size = 1;
+ switch (offset) {
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Cr0):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Cr0);
+ cpu_x86_update_cr0(env, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Cr2):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Cr2);
+ env->cr[2] = ldtul_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Cr3):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Cr3);
+ cpu_x86_update_cr3(env, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Cr4):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Cr4);
+ cpu_x86_update_cr4(env, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr0):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr0);
+ windbg_set_dr(cpu, 0, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr1):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr1);
+ windbg_set_dr(cpu, 1, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr2):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr2);
+ windbg_set_dr(cpu, 2, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr3):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr3);
+ windbg_set_dr(cpu, 3, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr6):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr6);
+ windbg_set_dr(cpu, 6, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, KernelDr7):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, KernelDr7);
+ windbg_set_dr(cpu, 7, ldtul_p(buf + offset));
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Pad):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Pad);
+ env->gdt.selector = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Limit):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Limit);
+ env->gdt.limit = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Gdtr.Base):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Gdtr.Base);
+ env->gdt.base = ldtul_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Pad):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Pad);
+ env->idt.selector = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Limit):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Limit);
+ env->idt.limit = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Idtr.Base):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Idtr.Base);
+ env->idt.base = ldtul_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Tr):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Tr);
+ env->tr.selector = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Ldtr):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Ldtr);
+ env->ldt.selector = lduw_p(buf + offset);
+ break;
+
+ case offsetof(CPU_KSPECIAL_REGISTERS, Reserved):
+ mem_size = sizeof_field(CPU_KSPECIAL_REGISTERS, Reserved);
+ break;
+
+ default:
+ WINDBG_ERROR("write_context: Unknown offset %d", offset);
+ return -1;
+ }
+
+ mem_ptr += mem_size;
+ offset += mem_size;
+ len -= mem_size;
+ }
+
+ return 0;
+
+ #endif
}
void kd_api_read_virtual_memory(CPUState *cpu, PacketData *pd)
- [Qemu-devel] [PATCH 19/43] windbg: implemented windbg_process_control_packet, (continued)
- [Qemu-devel] [PATCH 19/43] windbg: implemented windbg_process_control_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 20/43] windbg: implemented windbg_process_data_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 21/43] windbg: implemented windbg_process_manipulate_packet, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 22/43] windbg: implemented kd_api_read_virtual_memory and kd_api_read_virtual_memory, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 23/43] windbg: kernel's structures, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 24/43] windbg: implemented kd_api_get_context and kd_api_set_context, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 25/43] windbg: implemented kd_api_read_control_space and kd_api_write_control_space, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 26/43] windbg: implemented windbg_read_context, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 28/43] windbg: implemented windbg_read_ks_regs, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 27/43] windbg: implemented windbg_write_context, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 29/43] windbg: implemented windbg_write_ks_regs,
Mihail Abakumov <=
- [Qemu-devel] [PATCH 30/43] windbg: implemented windbg_set_sr, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 31/43] windbg: implemented windbg_set_dr, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 32/43] windbg: implemented windbg_set_dr7, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 33/43] windbg: implemented windbg_hw_breakpoint_insert and windbg_hw_breakpoint_remove, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 34/43] windbg: implemented kd_api_write_breakpoint and kd_api_restore_breakpoint, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 35/43] windbg: debug exception subscribing, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 36/43] windbg: implemented kd_api_continue, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 37/43] windbg: implemented kd_api_read_io_space and kd_api_write_io_space, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 38/43] windbg: implemented kd_api_read_physical_memory and kd_api_write_physical_memory, Mihail Abakumov, 2017/09/26
- [Qemu-devel] [PATCH 39/43] windbg: implemented kd_api_get_version, Mihail Abakumov, 2017/09/26