diff options
Diffstat (limited to 'sim/msp430/msp430-sim.c')
| -rw-r--r-- | sim/msp430/msp430-sim.c | 64 |
1 files changed, 8 insertions, 56 deletions
diff --git a/sim/msp430/msp430-sim.c b/sim/msp430/msp430-sim.c index 650584a..931573e 100644 --- a/sim/msp430/msp430-sim.c +++ b/sim/msp430/msp430-sim.c @@ -1022,62 +1022,14 @@ maybe_perform_syscall (SIM_DESC sd, int call_addr) { /* Syscall! */ int syscall_num = call_addr & 0x3f; - host_callback *cb = STATE_CALLBACK (sd); - CB_SYSCALL sc; - - CB_SYSCALL_INIT (&sc); - - sc.func = syscall_num; - sc.arg1 = MSP430_CPU (sd)->state.regs[12]; - sc.arg2 = MSP430_CPU (sd)->state.regs[13]; - sc.arg3 = MSP430_CPU (sd)->state.regs[14]; - sc.arg4 = MSP430_CPU (sd)->state.regs[15]; - - if (TRACE_SYSCALL_P (MSP430_CPU (sd))) - { - const char *syscall_name = "*unknown*"; - - switch (syscall_num) - { - case TARGET_SYS_exit: - syscall_name = "exit(%d)"; - break; - case TARGET_SYS_open: - syscall_name = "open(%#x,%#x)"; - break; - case TARGET_SYS_close: - syscall_name = "close(%d)"; - break; - case TARGET_SYS_read: - syscall_name = "read(%d,%#x,%d)"; - break; - case TARGET_SYS_write: - syscall_name = "write(%d,%#x,%d)"; - break; - } - trace_generic (sd, MSP430_CPU (sd), TRACE_SYSCALL_IDX, - syscall_name, sc.arg1, sc.arg2, sc.arg3, sc.arg4); - } - - /* Handle SYS_exit here. */ - if (syscall_num == 1) - { - sim_engine_halt (sd, MSP430_CPU (sd), NULL, - MSP430_CPU (sd)->state.regs[0], - sim_exited, sc.arg1); - return 1; - } - - sc.p1 = sd; - sc.p2 = MSP430_CPU (sd); - sc.read_mem = sim_syscall_read_mem; - sc.write_mem = sim_syscall_write_mem; - - cb_syscall (cb, &sc); - - TRACE_SYSCALL (MSP430_CPU (sd), "returns %ld", sc.result); - - MSP430_CPU (sd)->state.regs[12] = sc.result; + int arg1 = MSP430_CPU (sd)->state.regs[12]; + int arg2 = MSP430_CPU (sd)->state.regs[13]; + int arg3 = MSP430_CPU (sd)->state.regs[14]; + int arg4 = MSP430_CPU (sd)->state.regs[15]; + + MSP430_CPU (sd)->state.regs[12] = sim_syscall (MSP430_CPU (sd), + syscall_num, arg1, arg2, + arg3, arg4); return 1; } |