110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*
|
|
* Emulation of Linux signals
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
* Copyright (c) 2020 Alibek Omarov
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
#include "qemu.h"
|
|
#include "user-internals.h"
|
|
#include "signal-common.h"
|
|
#include "linux-user/trace.h"
|
|
|
|
#define MAX_TC_SIZE 10
|
|
|
|
#define TIR_NUM 19
|
|
#define DAM_ENTRIES_NUM 32
|
|
#define SBBP_ENTRIES_NUM 32
|
|
|
|
/* from user.h !!! */
|
|
#define MLT_NUM (16 * 3) /* common for E3M and E3S */
|
|
|
|
struct target_sigcontext {
|
|
abi_ulong cr0_lo;
|
|
abi_ulong cr0_hi;
|
|
abi_ulong cr1_lo;
|
|
abi_ulong cr1_hi;
|
|
abi_ulong sbr; /* 21 Stack base register: top of */
|
|
/* local data (user) stack */
|
|
abi_ulong usd_lo; /* 22 Local data (user) stack */
|
|
abi_ulong usd_hi; /* 23 descriptor: base & size */
|
|
abi_ulong psp_lo; /* 24 Procedure stack pointer: */
|
|
abi_ulong psp_hi; /* 25 base & index & size */
|
|
abi_ulong pcsp_lo; /* 26 Procedure chain stack */
|
|
abi_ulong pcsp_hi; /* 27 pointer: base & index & size */
|
|
/*
|
|
* additional part (for binary compiler)
|
|
*/
|
|
uint8_t bincomp_padding[sizeof(abi_ulong)*184 + 10];
|
|
|
|
#if 0
|
|
abi_ulong rpr_hi;
|
|
abi_ulong rpr_lo;
|
|
|
|
abi_ulong nr_TIRs;
|
|
abi_ulong tir_lo[TIR_NUM];
|
|
abi_ulong tir_hi[TIR_NUM];
|
|
abi_ulong trap_cell_addr[MAX_TC_SIZE];
|
|
abi_ulong trap_cell_val[MAX_TC_SIZE];
|
|
uint8_t trap_cell_tag[MAX_TC_SIZE];
|
|
abi_ulong trap_cell_info[MAX_TC_SIZE];
|
|
|
|
abi_ulong dam[DAM_ENTRIES_NUM];
|
|
|
|
abi_ulong sbbp[SBBP_ENTRIES_NUM];
|
|
|
|
abi_ulong mlt[MLT_NUM];
|
|
|
|
abi_ulong upsr;
|
|
#endif
|
|
};
|
|
|
|
#define NF_ALIGNEDSZ (((sizeof(struct target_signal_frame) + 7) & (~7)))
|
|
|
|
void setup_frame(int sig, struct target_sigaction *ka,
|
|
target_sigset_t *set, CPUE2KState *env)
|
|
{
|
|
qemu_log_mask(LOG_UNIMP, "setup_frame: not implemented\n");
|
|
}
|
|
|
|
void setup_rt_frame(int sig, struct target_sigaction *ka,
|
|
target_siginfo_t *info,
|
|
target_sigset_t *set, CPUE2KState *env)
|
|
{
|
|
qemu_log_mask(LOG_UNIMP, "setup_rt_frame: not implemented\n");
|
|
}
|
|
|
|
long do_sigreturn(CPUE2KState *env)
|
|
{
|
|
// TODO
|
|
return 0;
|
|
}
|
|
|
|
long do_rt_sigreturn(CPUE2KState *env)
|
|
{
|
|
trace_user_do_rt_sigreturn(env, 0);
|
|
qemu_log_mask(LOG_UNIMP, "do_rt_sigreturn: not implemented\n");
|
|
return -TARGET_ENOSYS;
|
|
}
|
|
|
|
abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx,
|
|
abi_ulong unew_ctx, abi_long ctx_size)
|
|
{
|
|
// TODO
|
|
qemu_log_mask(LOG_UNIMP, "do_swapcontext: not implemented\n");
|
|
return 0;
|
|
}
|