/* * LM32 gdb server stub * * Copyright (c) 2003-2005 Fabrice Bellard * 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 "config.h" #include "qemu-common.h" #include "exec/gdbstub.h" #include "hw/lm32/lm32_pic.h" int lm32_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) { LM32CPU *cpu = LM32_CPU(cs); CPULM32State *env = &cpu->env; if (n < 32) { return gdb_get_reg32(mem_buf, env->regs[n]); } else { switch (n) { case 32: return gdb_get_reg32(mem_buf, env->pc); /* FIXME: put in right exception ID */ case 33: return gdb_get_reg32(mem_buf, 0); case 34: return gdb_get_reg32(mem_buf, env->eba); case 35: return gdb_get_reg32(mem_buf, env->deba); case 36: return gdb_get_reg32(mem_buf, env->ie); case 37: return gdb_get_reg32(mem_buf, lm32_pic_get_im(env->pic_state)); case 38: return gdb_get_reg32(mem_buf, lm32_pic_get_ip(env->pic_state)); } } return 0; } int lm32_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) { LM32CPU *cpu = LM32_CPU(cs); CPUClass *cc = CPU_GET_CLASS(cs); CPULM32State *env = &cpu->env; uint32_t tmp; if (n > cc->gdb_num_core_regs) { return 0; } tmp = ldl_p(mem_buf); if (n < 32) { env->regs[n] = tmp; } else { switch (n) { case 32: env->pc = tmp; break; case 34: env->eba = tmp; break; case 35: env->deba = tmp; break; case 36: env->ie = tmp; break; case 37: lm32_pic_set_im(env->pic_state, tmp); break; case 38: lm32_pic_set_ip(env->pic_state, tmp); break; } } return 4; }