/* * m68k 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" int m68k_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) { M68kCPU *cpu = M68K_CPU(cs); CPUM68KState *env = &cpu->env; if (n < 8) { /* D0-D7 */ return gdb_get_reg32(mem_buf, env->dregs[n]); } else if (n < 16) { /* A0-A7 */ return gdb_get_reg32(mem_buf, env->aregs[n - 8]); } else { switch (n) { case 16: return gdb_get_reg32(mem_buf, env->sr); case 17: return gdb_get_reg32(mem_buf, env->pc); } } /* FP registers not included here because they vary between ColdFire and m68k. Use XML bits for these. */ return 0; } int m68k_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) { M68kCPU *cpu = M68K_CPU(cs); CPUM68KState *env = &cpu->env; uint32_t tmp; tmp = ldl_p(mem_buf); if (n < 8) { /* D0-D7 */ env->dregs[n] = tmp; } else if (n < 16) { /* A0-A7 */ env->aregs[n - 8] = tmp; } else { switch (n) { case 16: env->sr = tmp; break; case 17: env->pc = tmp; break; default: return 0; } } return 4; }