From c3ce8eb3c50272d81bfea30ae9a9bd959fd68a54 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Sun, 7 Jul 2013 12:52:32 +0200 Subject: target-alpha: 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-alpha/gdbstub.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 target-alpha/gdbstub.c (limited to 'target-alpha') diff --git a/target-alpha/gdbstub.c b/target-alpha/gdbstub.c new file mode 100644 index 0000000000..b23afe4587 --- /dev/null +++ b/target-alpha/gdbstub.c @@ -0,0 +1,86 @@ +/* + * Alpha 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(CPUAlphaState *env, uint8_t *mem_buf, int n) +{ + uint64_t val; + CPU_DoubleU d; + + switch (n) { + case 0 ... 30: + val = env->ir[n]; + break; + case 32 ... 62: + d.d = env->fir[n - 32]; + val = d.ll; + break; + case 63: + val = cpu_alpha_load_fpcr(env); + break; + case 64: + val = env->pc; + break; + case 66: + val = env->unique; + break; + case 31: + case 65: + /* 31 really is the zero register; 65 is unassigned in the + gdb protocol, but is still required to occupy 8 bytes. */ + val = 0; + break; + default: + return 0; + } + GET_REGL(val); +} + +static int cpu_gdb_write_register(CPUAlphaState *env, uint8_t *mem_buf, int n) +{ + target_ulong tmp = ldtul_p(mem_buf); + CPU_DoubleU d; + + switch (n) { + case 0 ... 30: + env->ir[n] = tmp; + break; + case 32 ... 62: + d.ll = tmp; + env->fir[n - 32] = d.d; + break; + case 63: + cpu_alpha_store_fpcr(env, tmp); + break; + case 64: + env->pc = tmp; + break; + case 66: + env->unique = tmp; + break; + case 31: + case 65: + /* 31 really is the zero register; 65 is unassigned in the + gdb protocol, but is still required to occupy 8 bytes. */ + break; + default: + return 0; + } + return 8; +} -- cgit v1.2.1