mtlr r0
blr
-_GLOBAL(call_handle_irq_event)
+_GLOBAL(call_handle_IRQ_event)
mflr r0
std r0,16(r1)
stdu r1,THREAD_SIZE-112(r6)
mr r1,r6
- bl .handle_irq_event
+ bl .handle_IRQ_event
ld r1,0(r1)
ld r0,16(r1)
mtlr r0
blr
#endif /* CONFIG_IRQSTACKS */
+ /*
+ * To be called by C code which needs to do some operations with MMU
+ * disabled. Note that interrupts have to be disabled by the caller
+ * prior to calling us. The code called _MUST_ be in the RMO of course
+ * and part of the linear mapping as we don't attempt to translate the
+ * stack pointer at all. The function is called with the stack switched
+ * to this CPU emergency stack
+ *
+ * prototype is void *call_with_mmu_off(void *func, void *data);
+ *
+ * the called function is expected to be of the form
+ *
+ * void *called(void *data);
+ */
+_GLOBAL(call_with_mmu_off)
+ mflr r0 /* get link, save it on stackframe */
+ std r0,16(r1)
+ mr r1,r5 /* save old stack ptr */
+ ld r1,PACAEMERGSP(r13) /* get emerg. stack */
+ subi r1,r1,STACK_FRAME_OVERHEAD
+ std r0,16(r1) /* save link on emerg. stack */
+ std r5,0(r1) /* save old stack ptr in backchain */
+ ld r3,0(r3) /* get to real function ptr (assume same TOC) */
+ bl 2f /* we need LR to return, continue at label 2 */
+
+ ld r0,16(r1) /* we return here from the call, get LR and */
+ ld r1,0(r1) /* .. old stack ptr */
+ mtspr SPRN_SRR0,r0 /* and get back to virtual mode with these */
+ mfmsr r4
+ ori r4,r4,MSR_IR|MSR_DR
+ mtspr SPRN_SRR1,r4
+ rfid
+
+2: mtspr SPRN_SRR0,r3 /* coming from above, enter real mode */
+ mr r3,r4 /* get parameter */
+ mfmsr r0
+ ori r0,r0,MSR_IR|MSR_DR
+ xori r0,r0,MSR_IR|MSR_DR
+ mtspr SPRN_SRR1,r0
+ rfid
+
/*
* Flush instruction cache.
*/
sync
blr
-_GLOBAL(abs)
- cmpi 0,r3,0
- bge 10f
- neg r3,r3
-10: blr
-
-_GLOBAL(_get_PVR)
- mfspr r3,PVR
- blr
-
-_GLOBAL(_get_PIR)
- mfspr r3,PIR
- blr
-
-_GLOBAL(_get_HID0)
- mfspr r3,HID0
- blr
_GLOBAL(cvt_fd)
lfd 0,0(r5) /* load up fpscr value */
isync
b 1b
+#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
+/*
+ * Do an IO access in real mode
+ */
+_GLOBAL(real_readb)
+ mfmsr r7
+ ori r0,r7,MSR_DR
+ xori r0,r0,MSR_DR
+ sync
+ mtmsrd r0
+ sync
+ isync
+ mfspr r6,SPRN_HID4
+ rldicl r5,r6,32,0
+ ori r5,r5,0x100
+ rldicl r5,r5,32,0
+ sync
+ mtspr SPRN_HID4,r5
+ isync
+ slbia
+ isync
+ lbz r3,0(r3)
+ sync
+ mtspr SPRN_HID4,r6
+ isync
+ slbia
+ isync
+ mtmsrd r7
+ sync
+ isync
+ blr
+
+ /*
+ * Do an IO access in real mode
+ */
+_GLOBAL(real_writeb)
+ mfmsr r7
+ ori r0,r7,MSR_DR
+ xori r0,r0,MSR_DR
+ sync
+ mtmsrd r0
+ sync
+ isync
+ mfspr r6,SPRN_HID4
+ rldicl r5,r6,32,0
+ ori r5,r5,0x100
+ rldicl r5,r5,32,0
+ sync
+ mtspr SPRN_HID4,r5
+ isync
+ slbia
+ isync
+ stb r3,0(r4)
+ sync
+ mtspr SPRN_HID4,r6
+ isync
+ slbia
+ isync
+ mtmsrd r7
+ sync
+ isync
+ blr
+#endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
/*
* Create a kernel thread
li r4,0 /* new sp (unused) */
li r0,__NR_clone
sc
- cmpi 0,r3,0 /* parent or child? */
+ cmpdi 0,r3,0 /* parent or child? */
bne 1f /* return if parent */
li r0,0
stdu r0,-STACK_FRAME_OVERHEAD(r1)
ld r30,-16(r1)
blr
-#ifdef CONFIG_PPC_ISERIES /* hack hack hack */
+#ifndef CONFIG_PPC_PSERIES /* hack hack hack */
#define ppc_rtas sys_ni_syscall
#endif
.llong .sys_epoll_wait
.llong .sys_remap_file_pages
.llong .ppc32_timer_create /* 240 */
- .llong .compat_timer_settime
- .llong .compat_timer_gettime
+ .llong .compat_sys_timer_settime
+ .llong .compat_sys_timer_gettime
.llong .sys_timer_getoverrun
.llong .sys_timer_delete
- .llong .compat_clock_settime /* 245 */
- .llong .compat_clock_gettime
- .llong .compat_clock_getres
- .llong .compat_clock_nanosleep
+ .llong .compat_sys_clock_settime /* 245 */
+ .llong .compat_sys_clock_gettime
+ .llong .compat_sys_clock_getres
+ .llong .compat_sys_clock_nanosleep
.llong .ppc32_swapcontext
.llong .sys32_tgkill /* 250 */
.llong .sys32_utimes
- .llong .compat_statfs64
- .llong .compat_fstatfs64
+ .llong .compat_sys_statfs64
+ .llong .compat_sys_fstatfs64
.llong .ppc32_fadvise64_64 /* 32bit only fadvise64_64 */
.llong .ppc_rtas /* 255 */
.llong .sys_ni_syscall /* 256 reserved for sys_debug_setcontext */
.llong .sys_ni_syscall /* 257 reserved for vserver */
.llong .sys_ni_syscall /* 258 reserved for new sys_remap_file_pages */
- .llong .sys_ni_syscall /* 259 reserved for new sys_mbind */
- .llong .sys_ni_syscall /* 260 reserved for new sys_get_mempolicy */
- .llong .sys_ni_syscall /* 261 reserved for new sys_set_mempolicy */
+ .llong .compat_sys_mbind
+ .llong .compat_sys_get_mempolicy /* 260 */
+ .llong .compat_sys_set_mempolicy
.llong .compat_sys_mq_open
.llong .sys_mq_unlink
.llong .compat_sys_mq_timedsend
.llong .compat_sys_mq_notify
.llong .compat_sys_mq_getsetattr
.llong .sys_ni_syscall /* 268 reserved for sys_kexec_load */
+ .llong .sys32_add_key
+ .llong .sys32_request_key
+ .llong .compat_sys_keyctl
.balign 8
_GLOBAL(sys_call_table)
.llong .sys_ni_syscall /* 256 reserved for sys_debug_setcontext */
.llong .sys_ni_syscall /* 257 reserved for vserver */
.llong .sys_ni_syscall /* 258 reserved for new sys_remap_file_pages */
- .llong .sys_ni_syscall /* 259 reserved for new sys_mbind */
- .llong .sys_ni_syscall /* 260 reserved for new sys_get_mempolicy */
- .llong .sys_ni_syscall /* 261 reserved for new sys_set_mempolicy */
+ .llong .sys_mbind
+ .llong .sys_get_mempolicy /* 260 */
+ .llong .sys_set_mempolicy
.llong .sys_mq_open
.llong .sys_mq_unlink
.llong .sys_mq_timedsend
.llong .sys_mq_notify
.llong .sys_mq_getsetattr
.llong .sys_ni_syscall /* 268 reserved for sys_kexec_load */
+ .llong .sys_add_key
+ .llong .sys_request_key /* 270 */
+ .llong .sys_keyctl
git://git.onelab.eu / linux-2.6.git / blobdiff