* after a timer-interrupt and after each system call.
*/
-
+#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/unistd.h>
#include <asm/blackfin.h>
R6 = 0x26; /* Data CPLB Miss */
cc = R6 == R7;
if cc jump _ex_dcplb_miss (BP);
+ R6 = 0x23; /* Data CPLB Miss */
+ cc = R6 == R7;
+ if cc jump _ex_dcplb_viol (BP);
/* Handle 0x23 Data CPLB Protection Violation
* and Data CPLB Multiple Hits - Linux Trap Zero
*/
jump _ex_trap_c;
ENDPROC(_ex_workaround_261)
+#else
+#ifdef CONFIG_MPU
+#define _ex_dviol _ex_dcplb_viol
#else
#define _ex_dviol _ex_trap_c
+#endif
#define _ex_dmiss _ex_dcplb_miss
#define _ex_dmult _ex_trap_c
#endif
+
+ENTRY(_ex_dcplb_viol)
ENTRY(_ex_dcplb_miss)
ENTRY(_ex_icplb_miss)
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
SAVE_ALL_SYS
+ DEBUG_HWTRACE_SAVE(p5, r7)
+#ifdef CONFIG_MPU
+ R0 = SEQSTAT;
+ R1 = SP;
+ sp += -12;
+ call _cplb_hdr;
+ sp += 12;
+ CC = R0 == 0;
+ IF !CC JUMP _handle_bad_cplb;
+#else
call __cplb_hdr;
- DEBUG_START_HWTRACE(p5, r7)
+#endif
+ DEBUG_HWTRACE_RESTORE(p5, r7)
RESTORE_ALL_SYS
SP = EX_SCRATCH_REG;
rtx;
ENDPROC(_ex_icplb_miss)
ENTRY(_ex_syscall)
- DEBUG_START_HWTRACE(p5, r7)
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
raise 15; /* invoked by TRAP #0, for sys call */
ENDPROC(_ex_single_step)
ENTRY(_bfin_return_from_exception)
- DEBUG_START_HWTRACE(p5, r7)
#if ANOMALY_05000257
R7=LC0;
LC0=R7;
* need to make a CPLB exception look like a normal exception
*/
- DEBUG_START_HWTRACE(p5, r7)
RESTORE_ALL_SYS
[--sp] = ASTAT;
- [--sp] = (R7:6, P5:4);
+ [--sp] = (R7:6,P5:4);
ENTRY(_ex_replaceable)
nop;
R6 = SEQSTAT;
[P5] = R6;
- DEBUG_START_HWTRACE(p5, r7)
(R7:6,P5:4) = [sp++];
ASTAT = [sp++];
SP = EX_SCRATCH_REG;
R7 = R7 + R6;
P5 = R7;
R1 = [P5];
- [SP + 8] = r1;
+ [SP + PT_SEQSTAT] = r1;
r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
SP += -12;
sp.h = _exception_stack_top;
/* Try to deal with syscalls quickly. */
[--sp] = ASTAT;
- [--sp] = (R7:6, P5:4);
- DEBUG_STOP_HWTRACE(p5, r7)
+ [--sp] = (R7:6,P5:4);
r7 = SEQSTAT; /* reason code is in bit 5:0 */
r6.l = lo(SEQSTAT_EXCAUSE);
r6.h = hi(SEQSTAT_EXCAUSE);
[sp + PT_IPEND] = r0;
1:
- r1 = 0x37(Z);
- r2 = ~r1;
- r2.h = 0;
+ r2 = LO(~0x37) (Z);
r0 = r2 & r0;
cc = r0 == 0;
if !cc jump 4f; /* if not return to user mode, get out */
#endif /* CONFIG_DEBUG_BFIN_HWTRACE_EXPAND */
#if CONFIG_EARLY_PRINTK
-.section .init.text,"ax"
+__INIT
ENTRY(_early_trap)
SAVE_ALL_SYS
trace_buffer_stop(p0,r0);
call _early_trap_c;
SP += 12;
ENDPROC(_early_trap)
+__FINIT
#endif /* CONFIG_EARLY_PRINTK */
/*
.long _sys_epoll_pwait
.long _sys_utimensat
.long _sys_signalfd
- .long _sys_timerfd
+ .long _sys_timerfd_create
.long _sys_eventfd /* 350 */
.long _sys_pread64
.long _sys_pwrite64
.long _sys_set_robust_list
.long _sys_get_robust_list /* 355 */
.long _sys_fallocate
+ .long _sys_semtimedop
+ .long _sys_timerfd_settime
+ .long _sys_timerfd_gettime
+
.rept NR_syscalls-(.-_sys_call_table)/4
.long _sys_ni_syscall
.endr