/* m32r exception, interrupt, and trap (EIT) support
- Copyright (C) 1998-2014 Free Software Foundation, Inc.
+ Copyright (C) 1998-2020 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
This file is part of GDB, the GNU debugger.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
+#include "sim-syscall.h"
#include "targ-vals.h"
#define TRAP_FLUSH_CACHE 12
transfer, sig);
}
\f
-/* Read/write functions for system call interface. */
-
-static int
-syscall_read_mem (host_callback *cb, struct cb_syscall *sc,
- unsigned long taddr, char *buf, int bytes)
-{
- SIM_DESC sd = (SIM_DESC) sc->p1;
- SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
- return sim_core_read_buffer (sd, cpu, read_map, buf, taddr, bytes);
-}
-
-static int
-syscall_write_mem (host_callback *cb, struct cb_syscall *sc,
- unsigned long taddr, const char *buf, int bytes)
-{
- SIM_DESC sd = (SIM_DESC) sc->p1;
- SIM_CPU *cpu = (SIM_CPU *) sc->p2;
-
- return sim_core_write_buffer (sd, cpu, write_map, buf, taddr, bytes);
-}
-
/* Trap support.
The result is the pc address to continue at.
Preprocessing like saving the various registers has already been done. */
SIM_DESC sd = CPU_STATE (current_cpu);
host_callback *cb = STATE_CALLBACK (sd);
-#ifdef SIM_HAVE_BREAKPOINTS
- /* Check for breakpoints "owned" by the simulator first, regardless
- of --environment. */
- if (num == TRAP_BREAKPOINT)
- {
- /* First try sim-break.c. If it's a breakpoint the simulator "owns"
- it doesn't return. Otherwise it returns and let's us try. */
- sim_handle_breakpoint (sd, current_cpu, pc);
- /* Fall through. */
- }
-#endif
-
if (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)
{
/* The new pc is the trap vector entry.
{
case TRAP_SYSCALL :
{
- CB_SYSCALL s;
-
- CB_SYSCALL_INIT (&s);
- s.func = m32rbf_h_gr_get (current_cpu, 0);
- s.arg1 = m32rbf_h_gr_get (current_cpu, 1);
- s.arg2 = m32rbf_h_gr_get (current_cpu, 2);
- s.arg3 = m32rbf_h_gr_get (current_cpu, 3);
-
- if (s.func == TARGET_SYS_exit)
- {
- sim_engine_halt (sd, current_cpu, NULL, pc, sim_exited, s.arg1);
- }
-
- s.p1 = (PTR) sd;
- s.p2 = (PTR) current_cpu;
- s.read_mem = syscall_read_mem;
- s.write_mem = syscall_write_mem;
- cb_syscall (cb, &s);
- m32rbf_h_gr_set (current_cpu, 2, s.errcode);
- m32rbf_h_gr_set (current_cpu, 0, s.result);
- m32rbf_h_gr_set (current_cpu, 1, s.result2);
+ long result, result2;
+ int errcode;
+
+ sim_syscall_multi (current_cpu,
+ m32rbf_h_gr_get (current_cpu, 0),
+ m32rbf_h_gr_get (current_cpu, 1),
+ m32rbf_h_gr_get (current_cpu, 2),
+ m32rbf_h_gr_get (current_cpu, 3),
+ m32rbf_h_gr_get (current_cpu, 4),
+ &result, &result2, &errcode);
+
+ m32rbf_h_gr_set (current_cpu, 2, errcode);
+ m32rbf_h_gr_set (current_cpu, 0, result);
+ m32rbf_h_gr_set (current_cpu, 1, result2);
break;
}