mirror of
https://github.com/xemu-project/xemu.git
synced 2024-12-12 05:56:06 +00:00
6836a8fb96
Add a missing break, detected by Coverity. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
/*
|
|
* HPPA gdb server stub
|
|
*
|
|
* Copyright (c) 2016 Richard Henderson <rth@twiddle.net>
|
|
*
|
|
* 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 "qemu/osdep.h"
|
|
#include "qemu-common.h"
|
|
#include "cpu.h"
|
|
#include "exec/gdbstub.h"
|
|
|
|
int hppa_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n)
|
|
{
|
|
HPPACPU *cpu = HPPA_CPU(cs);
|
|
CPUHPPAState *env = &cpu->env;
|
|
target_ulong val;
|
|
|
|
switch (n) {
|
|
case 0:
|
|
val = cpu_hppa_get_psw(env);
|
|
break;
|
|
case 1 ... 31:
|
|
val = env->gr[n];
|
|
break;
|
|
case 32:
|
|
val = env->sar;
|
|
break;
|
|
case 33:
|
|
val = env->iaoq_f;
|
|
break;
|
|
case 35:
|
|
val = env->iaoq_b;
|
|
break;
|
|
case 59:
|
|
val = env->cr26;
|
|
break;
|
|
case 60:
|
|
val = env->cr27;
|
|
break;
|
|
case 64 ... 127:
|
|
val = extract64(env->fr[(n - 64) / 2], (n & 1 ? 0 : 32), 32);
|
|
break;
|
|
default:
|
|
if (n < 128) {
|
|
val = 0;
|
|
} else {
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
return gdb_get_regl(mem_buf, val);
|
|
}
|
|
|
|
int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
|
|
{
|
|
HPPACPU *cpu = HPPA_CPU(cs);
|
|
CPUHPPAState *env = &cpu->env;
|
|
target_ulong val = ldtul_p(mem_buf);
|
|
|
|
switch (n) {
|
|
case 0:
|
|
cpu_hppa_put_psw(env, val);
|
|
break;
|
|
case 1 ... 31:
|
|
env->gr[n] = val;
|
|
break;
|
|
case 32:
|
|
env->sar = val;
|
|
break;
|
|
case 33:
|
|
env->iaoq_f = val;
|
|
break;
|
|
case 35:
|
|
env->iaoq_b = val;
|
|
break;
|
|
case 59:
|
|
env->cr26 = val;
|
|
break;
|
|
case 60:
|
|
env->cr27 = val;
|
|
break;
|
|
case 64:
|
|
env->fr[0] = deposit64(env->fr[0], 32, 32, val);
|
|
cpu_hppa_loaded_fr0(env);
|
|
break;
|
|
case 65 ... 127:
|
|
{
|
|
uint64_t *fr = &env->fr[(n - 64) / 2];
|
|
*fr = deposit64(*fr, val, (n & 1 ? 0 : 32), 32);
|
|
}
|
|
break;
|
|
default:
|
|
if (n >= 128) {
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
return sizeof(target_ulong);
|
|
}
|