/* * arch/ppc/kernel/misc.S * * * * This file contains miscellaneous low-level functions. * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) * * Largely rewritten by Cort Dougan (cort@cs.nmt.edu) * and Paul Mackerras. * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com) * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * */ #include #include #include #include #include #include #include #include #include #include .text /* * Returns (address we were linked at) - (address we are running at) * for use before the text and data are mapped to KERNELBASE. */ _GLOBAL(reloc_offset) mflr r0 bl 1f 1: mflr r3 LOADADDR(r4,1b) sub r3,r4,r3 mtlr r0 blr _GLOBAL(get_msr) mfmsr r3 blr _GLOBAL(get_dar) mfdar r3 blr _GLOBAL(get_srr0) mfsrr0 r3 blr _GLOBAL(get_srr1) mfsrr1 r3 blr _GLOBAL(get_sp) mr r3,r1 blr #ifdef CONFIG_PPC_ISERIES /* unsigned long local_save_flags(void) */ _GLOBAL(local_get_flags) lbz r3,PACAPROCENABLED(r13) blr /* unsigned long local_irq_disable(void) */ _GLOBAL(local_irq_disable) lbz r3,PACAPROCENABLED(r13) li r4,0 stb r4,PACAPROCENABLED(r13) blr /* Done */ /* void local_irq_restore(unsigned long flags) */ _GLOBAL(local_irq_restore) lbz r5,PACAPROCENABLED(r13) /* Check if things are setup the way we want _already_. */ cmpw 0,r3,r5 beqlr /* are we enabling interrupts? */ 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) */ ld r4,PACALPPACA+LPPACAANYINT(r13) cmpdi r4,0 beqlr /* * Handle pending interrupts in interrupt context */ li r0,0x5555 sc blr #endif /* CONFIG_PPC_ISERIES */ #ifdef CONFIG_IRQSTACKS _GLOBAL(call_do_softirq) mflr r0 std r0,16(r1) stdu r1,THREAD_SIZE-112(r3) mr r1,r3 bl .__do_softirq ld r1,0(r1) ld r0,16(r1) mtlr r0 blr _GLOBAL(call_handle_IRQ_event) mflr r0 std r0,16(r1) stdu r1,THREAD_SIZE-112(r6) mr r1,r6 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 .section ".toc","aw" PPC64_CACHES: .tc ppc64_caches[TC],ppc64_caches .section ".text" /* * Write any modified data cache blocks out to memory * and invalidate the corresponding instruction cache blocks. * * flush_icache_range(unsigned long start, unsigned long stop) * * flush all bytes from start through stop-1 inclusive */ _KPROBE(__flush_icache_range) /* * Flush the data cache to memory * * Different systems have different cache line sizes * and in some cases i-cache and d-cache line sizes differ from * each other. */ 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 */ add r8,r8,r5 /* ensure we get enough */ lwz r9,DCACHEL1LOGLINESIZE(r10) /* Get log-2 of cache line size */ srw. r8,r8,r9 /* compute line count */ beqlr /* nothing to do? */ mtctr r8 1: dcbst 0,r6 add r6,r6,r7 bdnz 1b sync /* Now invalidate the instruction cache */ 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 */ add r8,r8,r5 lwz r9,ICACHEL1LOGLINESIZE(r10) /* Get log-2 of Icache line size */ srw. r8,r8,r9 /* compute line count */ beqlr /* nothing to do? */ mtctr r8 2: icbi 0,r6 add r6,r6,r7 bdnz 2b isync blr .previous .text /* * Like above, but only do the D-cache. * * flush_dcache_range(unsigned long start, unsigned long stop) * * flush all bytes from start to stop-1 inclusive */ _GLOBAL(flush_dcache_range) /* * Flush the data cache to memory * * Different systems have different cache line sizes */ 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 */ add r8,r8,r5 /* ensure we get enough */ lwz r9,DCACHEL1LOGLINESIZE(r10) /* Get log-2 of dcache line size */ srw. r8,r8,r9 /* compute line count */ beqlr /* nothing to do? */ mtctr r8 0: dcbst 0,r6 add r6,r6,r7 bdnz 0b sync blr /* * Like above, but works on non-mapped physical addresses. * Use only for non-LPAR setups ! It also assumes real mode * is cacheable. Used for flushing out the DART before using * it as uncacheable memory * * flush_dcache_phys_range(unsigned long start, unsigned long stop) * * flush all bytes from start to stop-1 inclusive */ _GLOBAL(flush_dcache_phys_range) 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 */ add r8,r8,r5 /* ensure we get enough */ lwz r9,DCACHEL1LOGLINESIZE(r10) /* Get log-2 of dcache line size */ srw. r8,r8,r9 /* compute line count */ beqlr /* nothing to do? */ mfmsr r5 /* Disable MMU Data Relocation */ ori r0,r5,MSR_DR xori r0,r0,MSR_DR sync mtmsr r0 sync isync mtctr r8 0: dcbst 0,r6 add r6,r6,r7 bdnz 0b sync isync mtmsr r5 /* Re-enable MMU Data Relocation */ sync isync blr _GLOBAL(flush_inval_dcache_range) 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 */ add r8,r8,r5 /* ensure we get enough */ lwz r9,DCACHEL1LOGLINESIZE(r10)/* Get log-2 of dcache line size */ srw. r8,r8,r9 /* compute line count */ beqlr /* nothing to do? */ sync isync mtctr r8 0: dcbf 0,r6 add r6,r6,r7 bdnz 0b sync isync blr /* * Flush a particular page from the data cache to RAM. * Note: this is necessary because the instruction cache does *not* * snoop from the data cache. * * void __flush_dcache_icache(void *page) */ _GLOBAL(__flush_dcache_icache) /* * Flush the data cache to memory * * Different systems have different cache line sizes */ /* Flush the dcache */ ld r7,PPC64_CACHES@toc(r2) clrrdi r3,r3,12 /* Page align */ lwz r4,DCACHEL1LINESPERPAGE(r7) /* Get # dcache lines per page */ lwz r5,DCACHEL1LINESIZE(r7) /* Get dcache line size */ mr r6,r3 mtctr r4 0: dcbst 0,r6 add r6,r6,r5 bdnz 0b sync /* Now invalidate the icache */ lwz r4,ICACHEL1LINESPERPAGE(r7) /* Get # icache lines per page */ lwz r5,ICACHEL1LINESIZE(r7) /* Get icache line size */ mtctr r4 1: icbi 0,r3 add r3,r3,r5 bdnz 1b isync blr /* * I/O string operations * * insb(port, buf, len) * outsb(port, buf, len) * insw(port, buf, len) * outsw(port, buf, len) * insl(port, buf, len) * outsl(port, buf, len) * insw_ns(port, buf, len) * outsw_ns(port, buf, len) * insl_ns(port, buf, len) * outsl_ns(port, buf, len) * * The *_ns versions don't do byte-swapping. */ _GLOBAL(_insb) cmpwi 0,r5,0 mtctr r5 subi r4,r4,1 blelr- 00: lbz r5,0(r3) eieio stbu r5,1(r4) bdnz 00b twi 0,r5,0 isync blr _GLOBAL(_outsb) cmpwi 0,r5,0 mtctr r5 subi r4,r4,1 blelr- 00: lbzu r5,1(r4) stb r5,0(r3) bdnz 00b sync blr _GLOBAL(_insw) cmpwi 0,r5,0 mtctr r5 subi r4,r4,2 blelr- 00: lhbrx r5,0,r3 eieio sthu r5,2(r4) bdnz 00b twi 0,r5,0 isync blr _GLOBAL(_outsw) cmpwi 0,r5,0 mtctr r5 subi r4,r4,2 blelr- 00: lhzu r5,2(r4) sthbrx r5,0,r3 bdnz 00b sync blr _GLOBAL(_insl) cmpwi 0,r5,0 mtctr r5 subi r4,r4,4 blelr- 00: lwbrx r5,0,r3 eieio stwu r5,4(r4) bdnz 00b twi 0,r5,0 isync blr _GLOBAL(_outsl) cmpwi 0,r5,0 mtctr r5 subi r4,r4,4 blelr- 00: lwzu r5,4(r4) stwbrx r5,0,r3 bdnz 00b sync blr /* _GLOBAL(ide_insw) now in drivers/ide/ide-iops.c */ _GLOBAL(_insw_ns) cmpwi 0,r5,0 mtctr r5 subi r4,r4,2 blelr- 00: lhz r5,0(r3) eieio sthu r5,2(r4) bdnz 00b twi 0,r5,0 isync blr /* _GLOBAL(ide_outsw) now in drivers/ide/ide-iops.c */ _GLOBAL(_outsw_ns) cmpwi 0,r5,0 mtctr r5 subi r4,r4,2 blelr- 00: lhzu r5,2(r4) sth r5,0(r3) bdnz 00b sync blr _GLOBAL(_insl_ns) cmpwi 0,r5,0 mtctr r5 subi r4,r4,4 blelr- 00: lwz r5,0(r3) eieio stwu r5,4(r4) bdnz 00b twi 0,r5,0 isync blr _GLOBAL(_outsl_ns) cmpwi 0,r5,0 mtctr r5 subi r4,r4,4 blelr- 00: lwzu r5,4(r4) stw r5,0(r3) bdnz 00b sync blr _GLOBAL(cvt_fd) lfd 0,0(r5) /* load up fpscr value */ mtfsf 0xff,0 lfs 0,0(r3) stfd 0,0(r4) mffs 0 /* save new fpscr value */ stfd 0,0(r5) blr _GLOBAL(cvt_df) lfd 0,0(r5) /* load up fpscr value */ mtfsf 0xff,0 lfd 0,0(r3) stfs 0,0(r4) mffs 0 /* save new fpscr value */ stfd 0,0(r5) blr /* * identify_cpu and calls setup_cpu * In: r3 = base of the cpu_specs array * r4 = address of cur_cpu_spec * r5 = relocation offset */ _GLOBAL(identify_cpu) mfpvr r7 1: lwz r8,CPU_SPEC_PVR_MASK(r3) and r8,r8,r7 lwz r9,CPU_SPEC_PVR_VALUE(r3) cmplw 0,r9,r8 beq 1f addi r3,r3,CPU_SPEC_ENTRY_SIZE b 1b 1: add r0,r3,r5 std r0,0(r4) ld r4,CPU_SPEC_SETUP(r3) sub r4,r4,r5 ld r4,0(r4) sub r4,r4,r5 mtctr r4 /* Calling convention for cpu setup is r3=offset, r4=cur_cpu_spec */ mr r4,r3 mr r3,r5 bctr /* * do_cpu_ftr_fixups - goes through the list of CPU feature fixups * and writes nop's over sections of code that don't apply for this cpu. * r3 = data offset (not changed) */ _GLOBAL(do_cpu_ftr_fixups) /* Get CPU 0 features */ LOADADDR(r6,cur_cpu_spec) sub r6,r6,r3 ld r4,0(r6) sub r4,r4,r3 ld r4,CPU_SPEC_FEATURES(r4) /* Get the fixup table */ LOADADDR(r6,__start___ftr_fixup) sub r6,r6,r3 LOADADDR(r7,__stop___ftr_fixup) sub r7,r7,r3 /* Do the fixup */ 1: cmpld r6,r7 bgelr addi r6,r6,32 ld r8,-32(r6) /* mask */ and r8,r8,r4 ld r9,-24(r6) /* value */ cmpld r8,r9 beq 1b ld r8,-16(r6) /* section begin */ ld r9,-8(r6) /* section end */ subf. r9,r8,r9 beq 1b /* write nops over the section of code */ /* todo: if large section, add a branch at the start of it */ srwi r9,r9,2 mtctr r9 sub r8,r8,r3 lis r0,0x60000000@h /* nop */ 3: stw r0,0(r8) andi. r10,r4,CPU_FTR_SPLIT_ID_CACHE@l beq 2f dcbst 0,r8 /* suboptimal, but simpler */ sync icbi 0,r8 2: addi r8,r8,4 bdnz 3b sync /* additional sync needed on g4 */ 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 * kernel_thread(fn, arg, flags) */ _GLOBAL(kernel_thread) std r29,-24(r1) std r30,-16(r1) stdu r1,-STACK_FRAME_OVERHEAD(r1) mr r29,r3 mr r30,r4 ori r3,r5,CLONE_VM /* flags */ oris r3,r3,(CLONE_UNTRACED>>16) li r4,0 /* new sp (unused) */ li r0,__NR_clone sc cmpdi 0,r3,0 /* parent or child? */ bne 1f /* return if parent */ li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) ld r2,8(r29) ld r29,0(r29) mtlr r29 /* fn addr in lr */ mr r3,r30 /* load arg and call fn */ blrl li r0,__NR_exit /* exit after child exits */ li r3,0 sc 1: addi r1,r1,STACK_FRAME_OVERHEAD ld r29,-24(r1) ld r30,-16(r1) blr /* * disable_kernel_fp() * Disable the FPU. */ _GLOBAL(disable_kernel_fp) mfmsr r3 rldicl r0,r3,(63-MSR_FP_LG),1 rldicl r3,r0,(MSR_FP_LG+1),0 mtmsrd r3 /* disable use of fpu now */ isync blr /* * giveup_fpu(tsk) * Disable FP for the task given as the argument, * and save the floating-point registers in its thread_struct. * Enables the FPU for use in the kernel on return. */ _GLOBAL(giveup_fpu) mfmsr r5 ori r5,r5,MSR_FP mtmsrd r5 /* enable use of fpu now */ isync cmpdi 0,r3,0 beqlr- /* if no previous owner, done */ addi r3,r3,THREAD /* want THREAD of task */ ld r5,PT_REGS(r3) cmpdi 0,r5,0 SAVE_32FPRS(0, r3) mffs fr0 stfd fr0,THREAD_FPSCR(r3) beq 1f ld r4,_MSR-STACK_FRAME_OVERHEAD(r5) li r3,MSR_FP|MSR_FE0|MSR_FE1 andc r4,r4,r3 /* disable FP for previous task */ std r4,_MSR-STACK_FRAME_OVERHEAD(r5) 1: #ifndef CONFIG_SMP li r5,0 ld r4,last_task_used_math@got(r2) std r5,0(r4) #endif /* CONFIG_SMP */ blr #ifdef CONFIG_ALTIVEC #if 0 /* this has no callers for now */ /* * disable_kernel_altivec() * Disable the VMX. */ _GLOBAL(disable_kernel_altivec) mfmsr r3 rldicl r0,r3,(63-MSR_VEC_LG),1 rldicl r3,r0,(MSR_VEC_LG+1),0 mtmsrd r3 /* disable use of VMX now */ isync blr #endif /* 0 */ /* * giveup_altivec(tsk) * Disable VMX for the task given as the argument, * and save the vector registers in its thread_struct. * Enables the VMX for use in the kernel on return. */ _GLOBAL(giveup_altivec) mfmsr r5 oris r5,r5,MSR_VEC@h mtmsrd r5 /* enable use of VMX now */ isync cmpdi 0,r3,0 beqlr- /* if no previous owner, done */ addi r3,r3,THREAD /* want THREAD of task */ ld r5,PT_REGS(r3) cmpdi 0,r5,0 SAVE_32VRS(0,r4,r3) mfvscr vr0 li r4,THREAD_VSCR stvx vr0,r4,r3 beq 1f ld r4,_MSR-STACK_FRAME_OVERHEAD(r5) lis r3,MSR_VEC@h andc r4,r4,r3 /* disable FP for previous task */ std r4,_MSR-STACK_FRAME_OVERHEAD(r5) 1: #ifndef CONFIG_SMP li r5,0 ld r4,last_task_used_altivec@got(r2) std r5,0(r4) #endif /* CONFIG_SMP */ blr #endif /* CONFIG_ALTIVEC */ _GLOBAL(__setup_cpu_power3) blr /* kexec_wait(phys_cpu) * * wait for the flag to change, indicating this kernel is going away but * the slave code for the next one is at addresses 0 to 100. * * This is used by all slaves. * * Physical (hardware) cpu id should be in r3. */ _GLOBAL(kexec_wait) bl 1f 1: mflr r5 addi r5,r5,kexec_flag-1b 99: HMT_LOW #ifdef CONFIG_KEXEC /* use no memory without kexec */ lwz r4,0(r5) cmpwi 0,r4,0 bnea 0x60 #endif b 99b /* this can be in text because we won't change it until we are * running in real anyways */ kexec_flag: .long 0 #ifdef CONFIG_KEXEC /* kexec_smp_wait(void) * * call with interrupts off * note: this is a terminal routine, it does not save lr * * get phys id from paca * set paca id to -1 to say we got here * switch to real mode * join other cpus in kexec_wait(phys_id) */ _GLOBAL(kexec_smp_wait) lhz r3,PACAHWCPUID(r13) li r4,-1 sth r4,PACAHWCPUID(r13) /* let others know we left */ bl real_mode b .kexec_wait /* * switch to real mode (turn mmu off) * we use the early kernel trick that the hardware ignores bits * 0 and 1 (big endian) of the effective address in real mode * * don't overwrite r3 here, it is live for kexec_wait above. */ real_mode: /* assume normal blr return */ 1: li r9,MSR_RI li r10,MSR_DR|MSR_IR mflr r11 /* return address to SRR0 */ mfmsr r12 andc r9,r12,r9 andc r10,r12,r10 mtmsrd r9,1 mtspr SPRN_SRR1,r10 mtspr SPRN_SRR0,r11 rfid /* * kexec_sequence(newstack, start, image, control, clear_all()) * * does the grungy work with stack switching and real mode switches * also does simple calls to other code */ _GLOBAL(kexec_sequence) mflr r0 std r0,16(r1) /* switch stacks to newstack -- &kexec_stack.stack */ stdu r1,THREAD_SIZE-112(r3) mr r1,r3 li r0,0 std r0,16(r1) /* save regs for local vars on new stack. * yes, we won't go back, but ... */ std r31,-8(r1) std r30,-16(r1) std r29,-24(r1) std r28,-32(r1) std r27,-40(r1) std r26,-48(r1) std r25,-56(r1) stdu r1,-112-64(r1) /* save args into preserved regs */ mr r31,r3 /* newstack (both) */ mr r30,r4 /* start (real) */ mr r29,r5 /* image (virt) */ mr r28,r6 /* control, unused */ mr r27,r7 /* clear_all() fn desc */ mr r26,r8 /* spare */ lhz r25,PACAHWCPUID(r13) /* get our phys cpu from paca */ /* disable interrupts, we are overwriting kernel data next */ mfmsr r3 rlwinm r3,r3,0,17,15 mtmsrd r3,1 /* copy dest pages, flush whole dest image */ mr r3,r29 bl .kexec_copy_flush /* (image) */ /* turn off mmu */ bl real_mode /* clear out hardware hash page table and tlb */ ld r5,0(r27) /* deref function descriptor */ mtctr r5 bctrl /* ppc_md.hash_clear_all(void); */ /* * kexec image calling is: * the first 0x100 bytes of the entry point are copied to 0 * * all slaves branch to slave = 0x60 (absolute) * slave(phys_cpu_id); * * master goes to start = entry point * start(phys_cpu_id, start, 0); * * * a wrapper is needed to call existing kernels, here is an approximate * description of one method: * * v2: (2.6.10) * start will be near the boot_block (maybe 0x100 bytes before it?) * it will have a 0x60, which will b to boot_block, where it will wait * and 0 will store phys into struct boot-block and load r3 from there, * copy kernel 0-0x100 and tell slaves to back down to 0x60 again * * v1: (2.6.9) * boot block will have all cpus scanning device tree to see if they * are the boot cpu ????? * other device tree differences (prop sizes, va vs pa, etc)... */ /* copy 0x100 bytes starting at start to 0 */ li r3,0 mr r4,r30 li r5,0x100 li r6,0 bl .copy_and_flush /* (dest, src, copy limit, start offset) */ 1: /* assume normal blr return */ /* release other cpus to the new kernel secondary start at 0x60 */ mflr r5 li r6,1 stw r6,kexec_flag-1b(5) mr r3,r25 # my phys cpu mr r4,r30 # start, aka phys mem offset mtlr 4 li r5,0 blr /* image->start(physid, image->start, 0); */ #endif /* CONFIG_KEXEC */ /* Why isn't this a) automatic, b) written in 'C'? */ .balign 8 _GLOBAL(sys_call_table32) .llong .sys_restart_syscall /* 0 */ .llong .sys_exit .llong .ppc_fork .llong .sys_read .llong .sys_write .llong .compat_sys_open /* 5 */ .llong .sys_close .llong .sys32_waitpid .llong .sys32_creat .llong .sys_link .llong .sys_unlink /* 10 */ .llong .sys32_execve .llong .sys_chdir .llong .compat_sys_time .llong .sys_mknod .llong .sys_chmod /* 15 */ .llong .sys_lchown .llong .sys_ni_syscall /* old break syscall */ .llong .sys_ni_syscall /* old stat syscall */ .llong .ppc32_lseek .llong .sys_getpid /* 20 */ .llong .compat_sys_mount .llong .sys_oldumount .llong .sys_setuid .llong .sys_getuid .llong .compat_sys_stime /* 25 */ .llong .sys32_ptrace .llong .sys_alarm .llong .sys_ni_syscall /* old fstat syscall */ .llong .sys32_pause .llong .compat_sys_utime /* 30 */ .llong .sys_ni_syscall /* old stty syscall */ .llong .sys_ni_syscall /* old gtty syscall */ .llong .sys32_access .llong .sys32_nice .llong .sys_ni_syscall /* 35 - old ftime syscall */ .llong .sys_sync .llong .sys32_kill .llong .sys_rename .llong .sys32_mkdir .llong .sys_rmdir /* 40 */ .llong .sys_dup .llong .sys_pipe .llong .compat_sys_times .llong .sys_ni_syscall /* old prof syscall */ .llong .sys_brk /* 45 */ .llong .sys_setgid .llong .sys_getgid .llong .sys_signal .llong .sys_geteuid .llong .sys_getegid /* 50 */ .llong .sys_acct .llong .sys_umount .llong .sys_ni_syscall /* old lock syscall */ .llong .compat_sys_ioctl .llong .compat_sys_fcntl /* 55 */ .llong .sys_ni_syscall /* old mpx syscall */ .llong .sys32_setpgid .llong .sys_ni_syscall /* old ulimit syscall */ .llong .sys32_olduname .llong .sys32_umask /* 60 */ .llong .sys_chroot .llong .sys_ustat .llong .sys_dup2 .llong .sys_getppid .llong .sys_getpgrp /* 65 */ .llong .sys_setsid .llong .sys32_sigaction .llong .sys_sgetmask .llong .sys32_ssetmask .llong .sys_setreuid /* 70 */ .llong .sys_setregid .llong .ppc32_sigsuspend .llong .compat_sys_sigpending .llong .sys32_sethostname .llong .compat_sys_setrlimit /* 75 */ .llong .compat_sys_old_getrlimit .llong .compat_sys_getrusage .llong .sys32_gettimeofday .llong .sys32_settimeofday .llong .sys32_getgroups /* 80 */ .llong .sys32_setgroups .llong .sys_ni_syscall /* old select syscall */ .llong .sys_symlink .llong .sys_ni_syscall /* old lstat syscall */ .llong .sys32_readlink /* 85 */ .llong .sys_uselib .llong .sys_swapon .llong .sys_reboot .llong .old32_readdir .llong .sys_mmap /* 90 */ .llong .sys_munmap .llong .sys_truncate .llong .sys_ftruncate .llong .sys_fchmod .llong .sys_fchown /* 95 */ .llong .sys32_getpriority .llong .sys32_setpriority .llong .sys_ni_syscall /* old profil syscall */ .llong .compat_sys_statfs .llong .compat_sys_fstatfs /* 100 */ .llong .sys_ni_syscall /* old ioperm syscall */ .llong .compat_sys_socketcall .llong .sys32_syslog .llong .compat_sys_setitimer .llong .compat_sys_getitimer /* 105 */ .llong .compat_sys_newstat .llong .compat_sys_newlstat .llong .compat_sys_newfstat .llong .sys32_uname .llong .sys_ni_syscall /* 110 old iopl syscall */ .llong .sys_vhangup .llong .sys_ni_syscall /* old idle syscall */ .llong .sys_ni_syscall /* old vm86 syscall */ .llong .compat_sys_wait4 .llong .sys_swapoff /* 115 */ .llong .sys32_sysinfo .llong .sys32_ipc .llong .sys_fsync .llong .ppc32_sigreturn .llong .ppc_clone /* 120 */ .llong .sys32_setdomainname .llong .ppc64_newuname .llong .sys_ni_syscall /* old modify_ldt syscall */ .llong .sys32_adjtimex .llong .sys_mprotect /* 125 */ .llong .compat_sys_sigprocmask .llong .sys_ni_syscall /* old create_module syscall */ .llong .sys_init_module .llong .sys_delete_module .llong .sys_ni_syscall /* 130 old get_kernel_syms syscall */ .llong .sys_quotactl .llong .sys32_getpgid .llong .sys_fchdir .llong .sys_bdflush .llong .sys32_sysfs /* 135 */ .llong .ppc64_personality .llong .sys_ni_syscall /* for afs_syscall */ .llong .sys_setfsuid .llong .sys_setfsgid .llong .sys_llseek /* 140 */ .llong .sys32_getdents .llong .ppc32_select .llong .sys_flock .llong .sys_msync .llong .compat_sys_readv /* 145 */ .llong .compat_sys_writev .llong .sys32_getsid .llong .sys_fdatasync .llong .sys32_sysctl .llong .sys_mlock /* 150 */ .llong .sys_munlock .llong .sys_mlockall .llong .sys_munlockall .llong .sys32_sched_setparam .llong .sys32_sched_getparam /* 155 */ .llong .sys32_sched_setscheduler .llong .sys32_sched_getscheduler .llong .sys_sched_yield .llong .sys32_sched_get_priority_max .llong .sys32_sched_get_priority_min /* 160 */ .llong .sys32_sched_rr_get_interval .llong .compat_sys_nanosleep .llong .sys_mremap .llong .sys_setresuid .llong .sys_getresuid /* 165 */ .llong .sys_ni_syscall /* old query_module syscall */ .llong .sys_poll .llong .compat_sys_nfsservctl .llong .sys_setresgid .llong .sys_getresgid /* 170 */ .llong .sys32_prctl .llong .ppc32_rt_sigreturn .llong .sys32_rt_sigaction .llong .sys32_rt_sigprocmask .llong .sys32_rt_sigpending /* 175 */ .llong .compat_sys_rt_sigtimedwait .llong .sys32_rt_sigqueueinfo .llong .ppc32_rt_sigsuspend .llong .sys32_pread64 .llong .sys32_pwrite64 /* 180 */ .llong .sys_chown .llong .sys_getcwd .llong .sys_capget .llong .sys_capset .llong .sys32_sigaltstack /* 185 */ .llong .sys32_sendfile .llong .sys_ni_syscall /* reserved for streams1 */ .llong .sys_ni_syscall /* reserved for streams2 */ .llong .ppc_vfork .llong .compat_sys_getrlimit /* 190 */ .llong .sys32_readahead .llong .sys32_mmap2 .llong .sys32_truncate64 .llong .sys32_ftruncate64 .llong .sys_stat64 /* 195 */ .llong .sys_lstat64 .llong .sys_fstat64 .llong .sys32_pciconfig_read .llong .sys32_pciconfig_write .llong .sys32_pciconfig_iobase /* 200 - pciconfig_iobase */ .llong .sys_ni_syscall /* reserved for MacOnLinux */ .llong .sys_getdents64 .llong .sys_pivot_root .llong .compat_sys_fcntl64 .llong .sys_madvise /* 205 */ .llong .sys_mincore .llong .sys_gettid .llong .sys_tkill .llong .sys_setxattr .llong .sys_lsetxattr /* 210 */ .llong .sys_fsetxattr .llong .sys_getxattr .llong .sys_lgetxattr .llong .sys_fgetxattr .llong .sys_listxattr /* 215 */ .llong .sys_llistxattr .llong .sys_flistxattr .llong .sys_removexattr .llong .sys_lremovexattr .llong .sys_fremovexattr /* 220 */ .llong .compat_sys_futex .llong .compat_sys_sched_setaffinity .llong .compat_sys_sched_getaffinity .llong .sys_ni_syscall .llong .sys_ni_syscall /* 225 - reserved for tux */ .llong .sys32_sendfile64 .llong .compat_sys_io_setup .llong .sys_io_destroy .llong .compat_sys_io_getevents .llong .compat_sys_io_submit .llong .sys_io_cancel .llong .sys_set_tid_address .llong .ppc32_fadvise64 .llong .sys_exit_group .llong .ppc32_lookup_dcookie /* 235 */ .llong .sys_epoll_create .llong .sys_epoll_ctl .llong .sys_epoll_wait .llong .sys_remap_file_pages .llong .ppc32_timer_create /* 240 */ .llong .compat_sys_timer_settime .llong .compat_sys_timer_gettime .llong .sys_timer_getoverrun .llong .sys_timer_delete .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_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 .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_timedreceive /* 265 */ .llong .compat_sys_mq_notify .llong .compat_sys_mq_getsetattr .llong .compat_sys_kexec_load .llong .sys32_add_key .llong .sys32_request_key /* 270 */ .llong .compat_sys_keyctl .llong .compat_sys_waitid .llong .sys32_ioprio_set .llong .sys32_ioprio_get .llong .sys_inotify_init /* 275 */ .llong .sys_inotify_add_watch .llong .sys_inotify_rm_watch .balign 8 _GLOBAL(sys_call_table) .llong .sys_restart_syscall /* 0 */ .llong .sys_exit .llong .ppc_fork .llong .sys_read .llong .sys_write .llong .sys_open /* 5 */ .llong .sys_close .llong .sys_waitpid .llong .sys_creat .llong .sys_link .llong .sys_unlink /* 10 */ .llong .sys_execve .llong .sys_chdir .llong .sys64_time .llong .sys_mknod .llong .sys_chmod /* 15 */ .llong .sys_lchown .llong .sys_ni_syscall /* old break syscall */ .llong .sys_ni_syscall /* old stat syscall */ .llong .sys_lseek .llong .sys_getpid /* 20 */ .llong .sys_mount .llong .sys_ni_syscall /* old umount syscall */ .llong .sys_setuid .llong .sys_getuid .llong .sys_stime /* 25 */ .llong .sys_ptrace .llong .sys_alarm .llong .sys_ni_syscall /* old fstat syscall */ .llong .sys_pause .llong .sys_utime /* 30 */ .llong .sys_ni_syscall /* old stty syscall */ .llong .sys_ni_syscall /* old gtty syscall */ .llong .sys_access .llong .sys_nice .llong .sys_ni_syscall /* 35 - old ftime syscall */ .llong .sys_sync .llong .sys_kill .llong .sys_rename .llong .sys_mkdir .llong .sys_rmdir /* 40 */ .llong .sys_dup .llong .sys_pipe .llong .sys_times .llong .sys_ni_syscall /* old prof syscall */ .llong .sys_brk /* 45 */ .llong .sys_setgid .llong .sys_getgid .llong .sys_signal .llong .sys_geteuid .llong .sys_getegid /* 50 */ .llong .sys_acct .llong .sys_umount .llong .sys_ni_syscall /* old lock syscall */ .llong .sys_ioctl .llong .sys_fcntl /* 55 */ .llong .sys_ni_syscall /* old mpx syscall */ .llong .sys_setpgid .llong .sys_ni_syscall /* old ulimit syscall */ .llong .sys_ni_syscall /* old uname syscall */ .llong .sys_umask /* 60 */ .llong .sys_chroot .llong .sys_ustat .llong .sys_dup2 .llong .sys_getppid .llong .sys_getpgrp /* 65 */ .llong .sys_setsid .llong .sys_ni_syscall .llong .sys_sgetmask .llong .sys_ssetmask .llong .sys_setreuid /* 70 */ .llong .sys_setregid .llong .sys_ni_syscall .llong .sys_ni_syscall .llong .sys_sethostname .llong .sys_setrlimit /* 75 */ .llong .sys_ni_syscall /* old getrlimit syscall */ .llong .sys_getrusage .llong .sys_gettimeofday .llong .sys_settimeofday .llong .sys_getgroups /* 80 */ .llong .sys_setgroups .llong .sys_ni_syscall /* old select syscall */ .llong .sys_symlink .llong .sys_ni_syscall /* old lstat syscall */ .llong .sys_readlink /* 85 */ .llong .sys_uselib .llong .sys_swapon .llong .sys_reboot .llong .sys_ni_syscall /* old readdir syscall */ .llong .sys_mmap /* 90 */ .llong .sys_munmap .llong .sys_truncate .llong .sys_ftruncate .llong .sys_fchmod .llong .sys_fchown /* 95 */ .llong .sys_getpriority .llong .sys_setpriority .llong .sys_ni_syscall /* old profil syscall holder */ .llong .sys_statfs .llong .sys_fstatfs /* 100 */ .llong .sys_ni_syscall /* old ioperm syscall */ .llong .sys_socketcall .llong .sys_syslog .llong .sys_setitimer .llong .sys_getitimer /* 105 */ .llong .sys_newstat .llong .sys_newlstat .llong .sys_newfstat .llong .sys_ni_syscall /* old uname syscall */ .llong .sys_ni_syscall /* 110 old iopl syscall */ .llong .sys_vhangup .llong .sys_ni_syscall /* old idle syscall */ .llong .sys_ni_syscall /* old vm86 syscall */ .llong .sys_wait4 .llong .sys_swapoff /* 115 */ .llong .sys_sysinfo .llong .sys_ipc .llong .sys_fsync .llong .sys_ni_syscall .llong .ppc_clone /* 120 */ .llong .sys_setdomainname .llong .ppc64_newuname .llong .sys_ni_syscall /* old modify_ldt syscall */ .llong .sys_adjtimex .llong .sys_mprotect /* 125 */ .llong .sys_ni_syscall .llong .sys_ni_syscall /* old create_module syscall */ .llong .sys_init_module .llong .sys_delete_module .llong .sys_ni_syscall /* 130 old get_kernel_syms syscall */ .llong .sys_quotactl .llong .sys_getpgid .llong .sys_fchdir .llong .sys_bdflush .llong .sys_sysfs /* 135 */ .llong .ppc64_personality .llong .sys_ni_syscall /* for afs_syscall */ .llong .sys_setfsuid .llong .sys_setfsgid .llong .sys_llseek /* 140 */ .llong .sys_getdents .llong .sys_select .llong .sys_flock .llong .sys_msync .llong .sys_readv /* 145 */ .llong .sys_writev .llong .sys_getsid .llong .sys_fdatasync .llong .sys_sysctl .llong .sys_mlock /* 150 */ .llong .sys_munlock .llong .sys_mlockall .llong .sys_munlockall .llong .sys_sched_setparam .llong .sys_sched_getparam /* 155 */ .llong .sys_sched_setscheduler .llong .sys_sched_getscheduler .llong .sys_sched_yield .llong .sys_sched_get_priority_max .llong .sys_sched_get_priority_min /* 160 */ .llong .sys_sched_rr_get_interval .llong .sys_nanosleep .llong .sys_mremap .llong .sys_setresuid .llong .sys_getresuid /* 165 */ .llong .sys_ni_syscall /* old query_module syscall */ .llong .sys_poll .llong .sys_nfsservctl .llong .sys_setresgid .llong .sys_getresgid /* 170 */ .llong .sys_prctl .llong .ppc64_rt_sigreturn .llong .sys_rt_sigaction .llong .sys_rt_sigprocmask .llong .sys_rt_sigpending /* 175 */ .llong .sys_rt_sigtimedwait .llong .sys_rt_sigqueueinfo .llong .ppc64_rt_sigsuspend .llong .sys_pread64 .llong .sys_pwrite64 /* 180 */ .llong .sys_chown .llong .sys_getcwd .llong .sys_capget .llong .sys_capset .llong .sys_sigaltstack /* 185 */ .llong .sys_sendfile64 .llong .sys_ni_syscall /* reserved for streams1 */ .llong .sys_ni_syscall /* reserved for streams2 */ .llong .ppc_vfork .llong .sys_getrlimit /* 190 */ .llong .sys_readahead .llong .sys_ni_syscall /* 32bit only mmap2 */ .llong .sys_ni_syscall /* 32bit only truncate64 */ .llong .sys_ni_syscall /* 32bit only ftruncate64 */ .llong .sys_ni_syscall /* 195 - 32bit only stat64 */ .llong .sys_ni_syscall /* 32bit only lstat64 */ .llong .sys_ni_syscall /* 32bit only fstat64 */ .llong .sys_pciconfig_read .llong .sys_pciconfig_write .llong .sys_pciconfig_iobase /* 200 - pciconfig_iobase */ .llong .sys_ni_syscall /* reserved for MacOnLinux */ .llong .sys_getdents64 .llong .sys_pivot_root .llong .sys_ni_syscall /* 32bit only fcntl64 */ .llong .sys_madvise /* 205 */ .llong .sys_mincore .llong .sys_gettid .llong .sys_tkill .llong .sys_setxattr .llong .sys_lsetxattr /* 210 */ .llong .sys_fsetxattr .llong .sys_getxattr .llong .sys_lgetxattr .llong .sys_fgetxattr .llong .sys_listxattr /* 215 */ .llong .sys_llistxattr .llong .sys_flistxattr .llong .sys_removexattr .llong .sys_lremovexattr .llong .sys_fremovexattr /* 220 */ .llong .sys_futex .llong .sys_sched_setaffinity .llong .sys_sched_getaffinity .llong .sys_ni_syscall .llong .sys_ni_syscall /* 225 - reserved for tux */ .llong .sys_ni_syscall /* 32bit only sendfile64 */ .llong .sys_io_setup .llong .sys_io_destroy .llong .sys_io_getevents .llong .sys_io_submit /* 230 */ .llong .sys_io_cancel .llong .sys_set_tid_address .llong .sys_fadvise64 .llong .sys_exit_group .llong .sys_lookup_dcookie /* 235 */ .llong .sys_epoll_create .llong .sys_epoll_ctl .llong .sys_epoll_wait .llong .sys_remap_file_pages .llong .sys_timer_create /* 240 */ .llong .sys_timer_settime .llong .sys_timer_gettime .llong .sys_timer_getoverrun .llong .sys_timer_delete .llong .sys_clock_settime /* 245 */ .llong .sys_clock_gettime .llong .sys_clock_getres .llong .sys_clock_nanosleep .llong .ppc64_swapcontext .llong .sys_tgkill /* 250 */ .llong .sys_utimes .llong .sys_statfs64 .llong .sys_fstatfs64 .llong .sys_ni_syscall /* 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_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_timedreceive /* 265 */ .llong .sys_mq_notify .llong .sys_mq_getsetattr .llong .sys_kexec_load .llong .sys_add_key .llong .sys_request_key /* 270 */ .llong .sys_keyctl .llong .sys_waitid .llong .sys_ioprio_set .llong .sys_ioprio_get .llong .sys_inotify_init /* 275 */ .llong .sys_inotify_add_watch .llong .sys_inotify_rm_watch