cmpw 0,r3,r5
beqlr
/* are we enabling interrupts? */
- cmpi 0,r3,0
+ cmpdi 0,r3,0
stb r3,PACAPROCENABLED(r13)
beqlr
/* Check pending interrupts */
/* A decrementer, IPI or PMC interrupt may have occurred
* while we were in the hypervisor (which enables) */
- CHECKANYINT(r4,r5)
+ ld r4,PACALPPACA+LPPACAANYINT(r13)
+ cmpdi r4,0
beqlr
- /*
+ /*
* Handle pending interrupts in interrupt context
*/
li r0,0x5555
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 */
-/*
- * Flush instruction cache.
+ /*
+ * 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(flush_instruction_cache)
+_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 */
-/*
- * This is called by kgdb code
- * and should probably go away
- * to be replaced by invalidating
- * the cache lines that are actually
- * modified
- */
- /* use invalidate-all bit in HID0
- * - is this consistent across all 64-bit cpus? -- paulus */
- mfspr r3,HID0
- ori r3,r3,HID0_ICFI
- mtspr HID0,r3
- sync
- isync
- blr
+ 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
+
+
+ .section ".toc","aw"
+PPC64_CACHES:
+ .tc ppc64_caches[TC],ppc64_caches
+ .section ".text"
/*
* Write any modified data cache blocks out to memory
* and in some cases i-cache and d-cache line sizes differ from
* each other.
*/
- LOADADDR(r10,naca) /* Get Naca address */
- ld r10,0(r10)
- LOADADDR(r11,systemcfg) /* Get systemcfg address */
- ld r11,0(r11)
- lwz r7,DCACHEL1LINESIZE(r11)/* Get cache line size */
+ ld r10,PPC64_CACHES@toc(r2)
+ lwz r7,DCACHEL1LINESIZE(r10)/* Get cache line size */
addi r5,r7,-1
andc r6,r3,r5 /* round low to line bdy */
subf r8,r6,r4 /* compute length */
/* Now invalidate the instruction cache */
- lwz r7,ICACHEL1LINESIZE(r11) /* Get Icache line size */
+ lwz r7,ICACHEL1LINESIZE(r10) /* Get Icache line size */
addi r5,r7,-1
andc r6,r3,r5 /* round low to line bdy */
subf r8,r6,r4 /* compute length */
*
* Different systems have different cache line sizes
*/
- LOADADDR(r10,naca) /* Get Naca address */
- ld r10,0(r10)
- LOADADDR(r11,systemcfg) /* Get systemcfg address */
- ld r11,0(r11)
- lwz r7,DCACHEL1LINESIZE(r11) /* Get dcache line size */
+ ld r10,PPC64_CACHES@toc(r2)
+ lwz r7,DCACHEL1LINESIZE(r10) /* Get dcache line size */
addi r5,r7,-1
andc r6,r3,r5 /* round low to line bdy */
subf r8,r6,r4 /* compute length */
* flush all bytes from start to stop-1 inclusive
*/
_GLOBAL(flush_dcache_phys_range)
- LOADADDR(r10,naca) /* Get Naca address */
- ld r10,0(r10)
- LOADADDR(r11,systemcfg) /* Get systemcfg address */
- ld r11,0(r11)
- lwz r7,DCACHEL1LINESIZE(r11) /* Get dcache line size */
+ ld r10,PPC64_CACHES@toc(r2)
+ lwz r7,DCACHEL1LINESIZE(r10) /* Get dcache line size */
addi r5,r7,-1
andc r6,r3,r5 /* round low to line bdy */
subf r8,r6,r4 /* compute length */
*/
/* Flush the dcache */
- LOADADDR(r7,naca)
- ld r7,0(r7)
- LOADADDR(r8,systemcfg) /* Get systemcfg address */
- ld r8,0(r8)
+ ld r7,PPC64_CACHES@toc(r2)
clrrdi r3,r3,12 /* Page align */
lwz r4,DCACHEL1LINESPERPAGE(r7) /* Get # dcache lines per page */
- lwz r5,DCACHEL1LINESIZE(r8) /* Get dcache line size */
+ lwz r5,DCACHEL1LINESIZE(r7) /* Get dcache line size */
mr r6,r3
mtctr r4
0: dcbst 0,r6
/* Now invalidate the icache */
lwz r4,ICACHEL1LINESPERPAGE(r7) /* Get # icache lines per page */
- lwz r5,ICACHEL1LINESIZE(r8) /* Get icache line size */
+ lwz r5,ICACHEL1LINESIZE(r7) /* Get icache line size */
mtctr r4
1: icbi 0,r3
add r3,r3,r5
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
_GLOBAL(sys_call_table32)
.llong .sys_restart_syscall /* 0 */
.llong .sys_exit
- .llong .sys_fork
+ .llong .ppc_fork
.llong .sys_read
.llong .sys_write
.llong .sys32_open /* 5 */
.llong .sys_unlink /* 10 */
.llong .sys32_execve
.llong .sys_chdir
- .llong .sys32_time
+ .llong .compat_sys_time
.llong .sys_mknod
.llong .sys_chmod /* 15 */
.llong .sys_lchown
.llong .sys_oldumount
.llong .sys_setuid
.llong .sys_getuid
- .llong .ppc64_sys32_stime /* 25 */
+ .llong .compat_sys_stime /* 25 */
.llong .sys32_ptrace
.llong .sys_alarm
.llong .sys_ni_syscall /* old fstat syscall */
.llong .sys32_ssetmask
.llong .sys_setreuid /* 70 */
.llong .sys_setregid
- .llong .sys32_sigsuspend
+ .llong .ppc32_sigsuspend
.llong .compat_sys_sigpending
.llong .sys32_sethostname
.llong .compat_sys_setrlimit /* 75 */
.llong .sys32_ipc
.llong .sys_fsync
.llong .ppc32_sigreturn
- .llong .sys_clone /* 120 */
+ .llong .ppc_clone /* 120 */
.llong .sys32_setdomainname
.llong .ppc64_newuname
.llong .sys_ni_syscall /* old modify_ldt syscall */
.llong .sys32_rt_sigaction
.llong .sys32_rt_sigprocmask
.llong .sys32_rt_sigpending /* 175 */
- .llong .sys32_rt_sigtimedwait
+ .llong .compat_sys_rt_sigtimedwait
.llong .sys32_rt_sigqueueinfo
- .llong .sys32_rt_sigsuspend
+ .llong .ppc32_rt_sigsuspend
.llong .sys32_pread64
.llong .sys32_pwrite64 /* 180 */
.llong .sys_chown
.llong .sys32_sendfile
.llong .sys_ni_syscall /* reserved for streams1 */
.llong .sys_ni_syscall /* reserved for streams2 */
- .llong .sys_vfork
+ .llong .ppc_vfork
.llong .compat_sys_getrlimit /* 190 */
.llong .sys32_readahead
.llong .sys32_mmap2
.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_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_restart_syscall /* 0 */
.llong .sys_exit
- .llong .sys_fork
+ .llong .ppc_fork
.llong .sys_read
.llong .sys_write
.llong .sys_open /* 5 */
.llong .sys_ni_syscall /* old umount syscall */
.llong .sys_setuid
.llong .sys_getuid
- .llong .ppc64_sys_stime /* 25 */
+ .llong .sys_stime /* 25 */
.llong .sys_ptrace
.llong .sys_alarm
.llong .sys_ni_syscall /* old fstat syscall */
.llong .sys_ipc
.llong .sys_fsync
.llong .sys_ni_syscall
- .llong .sys_clone /* 120 */
+ .llong .ppc_clone /* 120 */
.llong .sys_setdomainname
.llong .ppc64_newuname
.llong .sys_ni_syscall /* old modify_ldt syscall */
.llong .sys_rt_sigpending /* 175 */
.llong .sys_rt_sigtimedwait
.llong .sys_rt_sigqueueinfo
- .llong .sys_rt_sigsuspend
+ .llong .ppc64_rt_sigsuspend
.llong .sys_pread64
.llong .sys_pwrite64 /* 180 */
.llong .sys_chown
.llong .sys_sendfile64
.llong .sys_ni_syscall /* reserved for streams1 */
.llong .sys_ni_syscall /* reserved for streams2 */
- .llong .sys_vfork
+ .llong .ppc_vfork
.llong .sys_getrlimit /* 190 */
.llong .sys_readahead
.llong .sys_ni_syscall /* 32bit only mmap2 */
.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