Signed-off-by: Mihail Abakumov <mikhail.abaku...@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <dovga...@ispras.ru>
Signed-off-by: Dmitriy Koltunov <koltu...@ispras.ru>
---
target/i386/windbgstub.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 111 insertions(+)
diff --git a/target/i386/windbgstub.c b/target/i386/windbgstub.c
index c492ee58d8..63962b48dd 100755
--- a/target/i386/windbgstub.c
+++ b/target/i386/windbgstub.c
@@ -641,6 +641,117 @@ static int windbg_read_ks_regs(CPUState *cpu, uint8_t
*buf, int buf_size,
static int windbg_write_ks_regs(CPUState *cpu, uint8_t *buf, int buf_size,
int offset, int len)
{
+ 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;
}
