/* * 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, 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; }