| /* |
| * 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 "cpu.h" |
| #include "exec/gdbstub.h" |
| |
| int aarch64_cpu_gdb_read_register(CPUState *cs, GByteArray *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; |
| } |