73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
|
|
* ARM gdb server stub: AArch64 specific functions.
|
|
*
|
|
* Copyright (c) 2013 SUSE LINUX Products GmbH
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include "qemu-common.h"
|
|
#include "cpu.h"
|
|
#include "exec/gdbstub.h"
|
|
|
|
int aarch64_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
|
|
{
|
|
ARMCPU *cpu = ARM_CPU(cs);
|
|
CPUARMState *env = &cpu->env;
|
|
|
|
if (n < 31) {
|
|
/* Core integer register. */
|
|
return gdb_get_reg64(mem_buf, env->xregs[n]);
|
|
}
|
|
switch (n) {
|
|
case 31:
|
|
return gdb_get_reg64(mem_buf, env->xregs[31]);
|
|
case 32:
|
|
return gdb_get_reg64(mem_buf, env->pc);
|
|
case 33:
|
|
return gdb_get_reg32(mem_buf, pstate_read(env));
|
|
}
|
|
/* Unknown register. */
|
|
return 0;
|
|
}
|
|
|
|
int aarch64_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
|
|
{
|
|
ARMCPU *cpu = ARM_CPU(cs);
|
|
CPUARMState *env = &cpu->env;
|
|
uint64_t tmp;
|
|
|
|
tmp = ldq_p(mem_buf);
|
|
|
|
if (n < 31) {
|
|
/* Core integer register. */
|
|
env->xregs[n] = tmp;
|
|
return 8;
|
|
}
|
|
switch (n) {
|
|
case 31:
|
|
env->xregs[31] = tmp;
|
|
return 8;
|
|
case 32:
|
|
env->pc = tmp;
|
|
return 8;
|
|
case 33:
|
|
/* CPSR */
|
|
pstate_write(env, tmp);
|
|
return 4;
|
|
}
|
|
/* Unknown register. */
|
|
return 0;
|
|
}
|