From 30028739eb6b2e95b94b957f3b4f8f258da3aa88 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Sun, 7 Jul 2013 12:40:38 +0200 Subject: target-openrisc: Move cpu_gdb_{read,write}_register() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Jia Liu Signed-off-by: Andreas Färber --- target-openrisc/gdbstub.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 target-openrisc/gdbstub.c (limited to 'target-openrisc') diff --git a/target-openrisc/gdbstub.c b/target-openrisc/gdbstub.c new file mode 100644 index 0000000000..fba096aa1c --- /dev/null +++ b/target-openrisc/gdbstub.c @@ -0,0 +1,77 @@ +/* + * OpenRISC 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 . + */ + +static int cpu_gdb_read_register(CPUOpenRISCState *env, uint8_t *mem_buf, int n) +{ + if (n < 32) { + GET_REG32(env->gpr[n]); + } else { + switch (n) { + case 32: /* PPC */ + GET_REG32(env->ppc); + + case 33: /* NPC */ + GET_REG32(env->npc); + + case 34: /* SR */ + GET_REG32(env->sr); + + default: + break; + } + } + return 0; +} + +static int cpu_gdb_write_register(CPUOpenRISCState *env, + uint8_t *mem_buf, int n) +{ + OpenRISCCPU *cpu = openrisc_env_get_cpu(env); + CPUClass *cc = CPU_GET_CLASS(cpu); + uint32_t tmp; + + if (n > cc->gdb_num_core_regs) { + return 0; + } + + tmp = ldl_p(mem_buf); + + if (n < 32) { + env->gpr[n] = tmp; + } else { + switch (n) { + case 32: /* PPC */ + env->ppc = tmp; + break; + + case 33: /* NPC */ + env->npc = tmp; + break; + + case 34: /* SR */ + env->sr = tmp; + break; + + default: + break; + } + } + return 4; +} -- cgit v1.2.1