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sim: syscall: unify memory helpers

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Almost every port implements these two callbacks in the same way, so
unify them in the common layer.
This commit is contained in:
Mike Frysinger
2015-06-15 21:09:21 +05:45
parent 6362a3f875
commit 61a0c964e6
20 changed files with 167 additions and 214 deletions
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27
sim/mcore/interp.c
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@@ -31,6 +31,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
#include "sim-base.h"
#include "sim-syscall.h"
#include "sim-options.h"
#define target_big_endian (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
@@ -197,28 +198,6 @@ set_initial_gprs (SIM_CPU *scpu)
cpu.gr[PARM4] = cpu.gr[0];
}
/* 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);
}
/* Simulate a monitor trap. */
static void
@@ -237,8 +216,8 @@ handle_trap1 (SIM_DESC sd)
sc.p1 = (PTR) sd;
sc.p2 = (PTR) STATE_CPU (sd, 0);
sc.read_mem = syscall_read_mem;
sc.write_mem = syscall_write_mem;
sc.read_mem = sim_syscall_read_mem;
sc.write_mem = sim_syscall_write_mem;
cb_syscall (cb, &sc);