diff options
Diffstat (limited to 'target-m68k')
-rw-r--r-- | target-m68k/Makefile.objs | 1 | ||||
-rw-r--r-- | target-m68k/cpu-qom.h | 2 | ||||
-rw-r--r-- | target-m68k/cpu.c | 4 | ||||
-rw-r--r-- | target-m68k/gdbstub.c | 75 |
4 files changed, 82 insertions, 0 deletions
diff --git a/target-m68k/Makefile.objs b/target-m68k/Makefile.objs index 2e2b85044d..02cf616a78 100644 --- a/target-m68k/Makefile.objs +++ b/target-m68k/Makefile.objs @@ -1,2 +1,3 @@ obj-y += m68k-semi.o obj-y += translate.o op_helper.o helper.o cpu.o +obj-y += gdbstub.o diff --git a/target-m68k/cpu-qom.h b/target-m68k/cpu-qom.h index 7115707e91..7f388eda68 100644 --- a/target-m68k/cpu-qom.h +++ b/target-m68k/cpu-qom.h @@ -74,5 +74,7 @@ void m68k_cpu_do_interrupt(CPUState *cpu); void m68k_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf, int flags); hwaddr m68k_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); +int m68k_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); +int m68k_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); #endif diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c index 988f476257..c0bcb0dbce 100644 --- a/target-m68k/cpu.c +++ b/target-m68k/cpu.c @@ -190,10 +190,14 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data) cc->do_interrupt = m68k_cpu_do_interrupt; cc->dump_state = m68k_cpu_dump_state; cc->set_pc = m68k_cpu_set_pc; + cc->gdb_read_register = m68k_cpu_gdb_read_register; + cc->gdb_write_register = m68k_cpu_gdb_write_register; #ifndef CONFIG_USER_ONLY cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug; #endif dc->vmsd = &vmstate_m68k_cpu; + cc->gdb_num_core_regs = 18; + cc->gdb_core_xml_file = "cf-core.xml"; } static void register_cpu_type(const M68kCPUInfo *info) diff --git a/target-m68k/gdbstub.c b/target-m68k/gdbstub.c new file mode 100644 index 0000000000..ae8179c016 --- /dev/null +++ b/target-m68k/gdbstub.c @@ -0,0 +1,75 @@ +/* + * 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; +} |