@@ -2145,7 +2145,8 @@ static void handle_query_qemu_supported(GdbCmdContext *gdb_ctx, void *user_ctx)
"sstepbits;sstep;PhyMemMode");
if (kvm_enabled()) {
- pstrcat(gdb_ctx->str_buf, sizeof(gdb_ctx->str_buf), ";kvm.Rdmsr");
+ pstrcat(gdb_ctx->str_buf, sizeof(gdb_ctx->str_buf),
+ ";kvm.Rdmsr;kvm.Wrmsr");
}
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
@@ -2196,6 +2197,26 @@ static void handle_query_kvm_read_msr(GdbCmdContext *gdb_ctx, void *user_ctx)
put_packet(gdb_ctx->s, gdb_ctx->str_buf);
}
+static void handle_set_kvm_write_msr(GdbCmdContext *gdb_ctx, void *user_ctx)
+{
+ if (!kvm_enabled()) {
+ return;
+ }
+
+ if (gdb_ctx->num_params < 2) {
+ put_packet(gdb_ctx->s, "E22");
+ return;
+ }
+
+ if (kvm_arch_write_msr(gdbserver_state->c_cpu, gdb_ctx->params[0].val_ul,
+ gdb_ctx->params[1].val_ull)) {
+ put_packet(gdb_ctx->s, "E00");
+ return;
+ }
+
+ put_packet(gdb_ctx->s, "OK");
+}
+
static GdbCmdParseEntry gdb_gen_query_set_common_table[] = {
/* Order is important if has same prefix */
{
@@ -2302,6 +2323,12 @@ static GdbCmdParseEntry gdb_gen_set_table[] = {
.cmd_startswith = 1,
.schema = "l0"
},
+ {
+ .handler = handle_set_kvm_write_msr,
+ .cmd = "qemu.kvm.Wrmsr:",
+ .cmd_startswith = 1,
+ .schema = "l,L0"
+ },
};
static void handle_gen_query(GdbCmdContext *gdb_ctx, void *user_ctx)
gdb> maint packet Qqemu.kvm.Wrmsr:MsrIndex,Value Signed-off-by: Jon Doron <arilou@gmail.com> --- gdbstub.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-)