From 2f93773241f99457a0957a43b2490be6f594cfa7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Sun, 7 Jul 2013 12:42:52 +0200 Subject: target-sh4: Move cpu_gdb_{read,write}_register() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Färber --- target-sh4/gdbstub.c | 137 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 target-sh4/gdbstub.c (limited to 'target-sh4') diff --git a/target-sh4/gdbstub.c b/target-sh4/gdbstub.c new file mode 100644 index 0000000000..38bc630f3a --- /dev/null +++ b/target-sh4/gdbstub.c @@ -0,0 +1,137 @@ +/* + * SuperH 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 . + */ + +/* Hint: Use "set architecture sh4" in GDB to see fpu registers */ +/* FIXME: We should use XML for this. */ + +static int cpu_gdb_read_register(CPUSH4State *env, uint8_t *mem_buf, int n) +{ + switch (n) { + case 0 ... 7: + if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) { + GET_REGL(env->gregs[n + 16]); + } else { + GET_REGL(env->gregs[n]); + } + case 8 ... 15: + GET_REGL(env->gregs[n]); + case 16: + GET_REGL(env->pc); + case 17: + GET_REGL(env->pr); + case 18: + GET_REGL(env->gbr); + case 19: + GET_REGL(env->vbr); + case 20: + GET_REGL(env->mach); + case 21: + GET_REGL(env->macl); + case 22: + GET_REGL(env->sr); + case 23: + GET_REGL(env->fpul); + case 24: + GET_REGL(env->fpscr); + case 25 ... 40: + if (env->fpscr & FPSCR_FR) { + stfl_p(mem_buf, env->fregs[n - 9]); + } else { + stfl_p(mem_buf, env->fregs[n - 25]); + } + return 4; + case 41: + GET_REGL(env->ssr); + case 42: + GET_REGL(env->spc); + case 43 ... 50: + GET_REGL(env->gregs[n - 43]); + case 51 ... 58: + GET_REGL(env->gregs[n - (51 - 16)]); + } + + return 0; +} + +static int cpu_gdb_write_register(CPUSH4State *env, uint8_t *mem_buf, int n) +{ + switch (n) { + case 0 ... 7: + if ((env->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB)) { + env->gregs[n + 16] = ldl_p(mem_buf); + } else { + env->gregs[n] = ldl_p(mem_buf); + } + break; + case 8 ... 15: + env->gregs[n] = ldl_p(mem_buf); + break; + case 16: + env->pc = ldl_p(mem_buf); + break; + case 17: + env->pr = ldl_p(mem_buf); + break; + case 18: + env->gbr = ldl_p(mem_buf); + break; + case 19: + env->vbr = ldl_p(mem_buf); + break; + case 20: + env->mach = ldl_p(mem_buf); + break; + case 21: + env->macl = ldl_p(mem_buf); + break; + case 22: + env->sr = ldl_p(mem_buf); + break; + case 23: + env->fpul = ldl_p(mem_buf); + break; + case 24: + env->fpscr = ldl_p(mem_buf); + break; + case 25 ... 40: + if (env->fpscr & FPSCR_FR) { + env->fregs[n - 9] = ldfl_p(mem_buf); + } else { + env->fregs[n - 25] = ldfl_p(mem_buf); + } + break; + case 41: + env->ssr = ldl_p(mem_buf); + break; + case 42: + env->spc = ldl_p(mem_buf); + break; + case 43 ... 50: + env->gregs[n - 43] = ldl_p(mem_buf); + break; + case 51 ... 58: + env->gregs[n - (51 - 16)] = ldl_p(mem_buf); + break; + default: + return 0; + } + + return 4; +} -- cgit v1.2.1