3a76d30204
The M68K architecture uses big endianness. Directly use
the big-endian LD/ST API.
Mechanical change using:
$ end=be; \
for acc in uw w l q tul; do \
sed -i -e "s/ld${acc}_p(/ld${acc}_${end}_p(/" \
-e "s/st${acc}_p(/st${acc}_${end}_p(/" \
$(git grep -wlE '(ld|st)t?u?[wlq]_p' target/m68k/); \
done
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241004163042.85922-19-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
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* m68k gdb server stub
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*
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* Copyright (c) 2003-2005 Fabrice Bellard
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* Copyright (c) 2013 SUSE LINUX Products GmbH
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "gdbstub/helpers.h"
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int m68k_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
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{
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CPUM68KState *env = cpu_env(cs);
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if (n < 8) {
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/* D0-D7 */
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return gdb_get_reg32(mem_buf, env->dregs[n]);
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} else if (n < 16) {
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/* A0-A7 */
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return gdb_get_reg32(mem_buf, env->aregs[n - 8]);
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} else {
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switch (n) {
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case 16:
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/* SR is made of SR+CCR, CCR is many 1bit flags so uses helper */
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return gdb_get_reg32(mem_buf, env->sr | cpu_m68k_get_ccr(env));
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case 17:
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return gdb_get_reg32(mem_buf, env->pc);
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}
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}
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/*
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* FP registers not included here because they vary between
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* ColdFire and m68k. Use XML bits for these.
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*/
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return 0;
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}
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int m68k_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
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{
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CPUM68KState *env = cpu_env(cs);
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uint32_t tmp;
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tmp = ldl_be_p(mem_buf);
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if (n < 8) {
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/* D0-D7 */
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env->dregs[n] = tmp;
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} else if (n < 16) {
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/* A0-A7 */
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env->aregs[n - 8] = tmp;
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} else {
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switch (n) {
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case 16:
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cpu_m68k_set_sr(env, tmp);
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break;
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case 17:
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env->pc = tmp;
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break;
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default:
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return 0;
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}
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}
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return 4;
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}
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