diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/amiga/config.c | 6 | ||||
| -rw-r--r-- | arch/m68k/include/asm/entry_mm.h | 4 | ||||
| -rw-r--r-- | arch/m68k/include/asm/entry_no.h | 8 | ||||
| -rw-r--r-- | arch/m68k/include/asm/math-emu.h | 20 | ||||
| -rw-r--r-- | arch/m68k/include/asm/motorola_pgalloc.h | 10 | ||||
| -rw-r--r-- | arch/m68k/include/asm/pgtable_mm.h | 3 | ||||
| -rw-r--r-- | arch/m68k/include/asm/thread_info_mm.h | 11 | ||||
| -rw-r--r-- | arch/m68k/include/asm/unistd.h | 4 | ||||
| -rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 39 | ||||
| -rw-r--r-- | arch/m68k/kernel/entry.S | 24 | ||||
| -rw-r--r-- | arch/m68k/math-emu/fp_entry.S | 38 |
11 files changed, 90 insertions, 77 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index 6e562751ad5..6c74751c7b8 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -574,10 +574,11 @@ static int a2000_hwclk(int op, struct rtc_time *t) tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD; - while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { + while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; udelay(70); tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; + --cnt; } if (!cnt) @@ -649,10 +650,11 @@ static int amiga_set_clock_mmss(unsigned long nowtime) tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; - while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) { + while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt) { tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD; udelay(70); tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD; + --cnt; } if (!cnt) diff --git a/arch/m68k/include/asm/entry_mm.h b/arch/m68k/include/asm/entry_mm.h index 5202f5a5b42..47412588621 100644 --- a/arch/m68k/include/asm/entry_mm.h +++ b/arch/m68k/include/asm/entry_mm.h @@ -46,7 +46,6 @@ #define curptr a2 LFLUSH_I_AND_D = 0x00000808 -LSIGTRAP = 5 /* process bits for task_struct.ptrace */ PT_TRACESYS_OFF = 3 @@ -118,9 +117,6 @@ PT_DTRACE_BIT = 2 #define STR(X) STR1(X) #define STR1(X) #X -#define PT_OFF_ORIG_D0 0x24 -#define PT_OFF_FORMATVEC 0x32 -#define PT_OFF_SR 0x2C #define SAVE_ALL_INT \ "clrl %%sp@-;" /* stk_adj */ \ "pea -1:w;" /* orig d0 = -1 */ \ diff --git a/arch/m68k/include/asm/entry_no.h b/arch/m68k/include/asm/entry_no.h index c2553d26273..907ed03d792 100644 --- a/arch/m68k/include/asm/entry_no.h +++ b/arch/m68k/include/asm/entry_no.h @@ -72,8 +72,8 @@ LENOSYS = 38 lea %sp@(-32),%sp /* space for 8 regs */ moveml %d1-%d5/%a0-%a2,%sp@ movel sw_usp,%a0 /* get usp */ - movel %a0@-,%sp@(PT_PC) /* copy exception program counter */ - movel %a0@-,%sp@(PT_FORMATVEC)/* copy exception format/vector/sr */ + movel %a0@-,%sp@(PT_OFF_PC) /* copy exception program counter */ + movel %a0@-,%sp@(PT_OFF_FORMATVEC)/*copy exception format/vector/sr */ bra 7f 6: clrl %sp@- /* stkadj */ @@ -89,8 +89,8 @@ LENOSYS = 38 bnes 8f /* no, skip */ move #0x2700,%sr /* disable intrs */ movel sw_usp,%a0 /* get usp */ - movel %sp@(PT_PC),%a0@- /* copy exception program counter */ - movel %sp@(PT_FORMATVEC),%a0@-/* copy exception format/vector/sr */ + movel %sp@(PT_OFF_PC),%a0@- /* copy exception program counter */ + movel %sp@(PT_OFF_FORMATVEC),%a0@-/*copy exception format/vector/sr */ moveml %sp@,%d1-%d5/%a0-%a2 lea %sp@(32),%sp /* space for 8 regs */ movel %sp@+,%d0 diff --git a/arch/m68k/include/asm/math-emu.h b/arch/m68k/include/asm/math-emu.h index ddfab96403c..5e9249b0014 100644 --- a/arch/m68k/include/asm/math-emu.h +++ b/arch/m68k/include/asm/math-emu.h @@ -145,16 +145,16 @@ extern unsigned int fp_debugprint; * these are only used during instruction decoding * where we always know how deep we're on the stack. */ -#define FPS_DO (PT_D0) -#define FPS_D1 (PT_D1) -#define FPS_D2 (PT_D2) -#define FPS_A0 (PT_A0) -#define FPS_A1 (PT_A1) -#define FPS_A2 (PT_A2) -#define FPS_SR (PT_SR) -#define FPS_PC (PT_PC) -#define FPS_EA (PT_PC+6) -#define FPS_PC2 (PT_PC+10) +#define FPS_DO (PT_OFF_D0) +#define FPS_D1 (PT_OFF_D1) +#define FPS_D2 (PT_OFF_D2) +#define FPS_A0 (PT_OFF_A0) +#define FPS_A1 (PT_OFF_A1) +#define FPS_A2 (PT_OFF_A2) +#define FPS_SR (PT_OFF_SR) +#define FPS_PC (PT_OFF_PC) +#define FPS_EA (PT_OFF_PC+6) +#define FPS_PC2 (PT_OFF_PC+10) .macro fp_get_fp_reg lea (FPD_FPREG,FPDATA,%d0.w*4),%a0 diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h index 15ee4c74a9f..2f02f264e69 100644 --- a/arch/m68k/include/asm/motorola_pgalloc.h +++ b/arch/m68k/include/asm/motorola_pgalloc.h @@ -36,12 +36,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres return NULL; pte = kmap(page); - if (pte) { - __flush_page_to_ram(pte); - flush_tlb_kernel_page(pte); - nocache_page(pte); - } - kunmap(pte); + __flush_page_to_ram(pte); + flush_tlb_kernel_page(pte); + nocache_page(pte); + kunmap(page); pgtable_page_ctor(page); return page; } diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index 0b604f0f192..fe60e1abaee 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -135,8 +135,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #endif #ifndef __ASSEMBLY__ -#include <asm-generic/pgtable.h> - /* * Macro to mark a page protection value as "uncacheable". */ @@ -154,6 +152,7 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, ? (__pgprot((pgprot_val(prot) & _CACHEMASK040) | _PAGE_NOCACHE_S)) \ : (prot))) +#include <asm-generic/pgtable.h> #endif /* !__ASSEMBLY__ */ /* diff --git a/arch/m68k/include/asm/thread_info_mm.h b/arch/m68k/include/asm/thread_info_mm.h index 6ea5c33b3c5..b6da3882be9 100644 --- a/arch/m68k/include/asm/thread_info_mm.h +++ b/arch/m68k/include/asm/thread_info_mm.h @@ -1,6 +1,10 @@ #ifndef _ASM_M68K_THREAD_INFO_H #define _ASM_M68K_THREAD_INFO_H +#ifndef ASM_OFFSETS_C +#include <asm/asm-offsets.h> +#endif +#include <asm/current.h> #include <asm/types.h> #include <asm/page.h> @@ -31,7 +35,12 @@ struct thread_info { #define init_thread_info (init_task.thread.info) #define init_stack (init_thread_union.stack) -#define task_thread_info(tsk) (&(tsk)->thread.info) +#ifdef ASM_OFFSETS_C +#define task_thread_info(tsk) ((struct thread_info *) NULL) +#else +#define task_thread_info(tsk) ((struct thread_info *)((char *)tsk+TASK_TINFO)) +#endif + #define task_stack_page(tsk) ((tsk)->stack) #define current_thread_info() task_thread_info(current) diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index aa29a8640f7..946d8691f2b 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -334,10 +334,12 @@ #define __NR_inotify_init1 328 #define __NR_preadv 329 #define __NR_pwritev 330 +#define __NR_rt_tgsigqueueinfo 331 +#define __NR_perf_counter_open 332 #ifdef __KERNEL__ -#define NR_syscalls 331 +#define NR_syscalls 333 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index b1f012f6c49..73e5e581245 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -8,6 +8,8 @@ * #defines from the assembly-language output. */ +#define ASM_OFFSETS_C + #include <linux/stddef.h> #include <linux/sched.h> #include <linux/kernel_stat.h> @@ -27,6 +29,9 @@ int main(void) DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); +#ifdef CONFIG_MMU + DEFINE(TASK_TINFO, offsetof(struct task_struct, thread.info)); +#endif /* offsets into the thread struct */ DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); @@ -44,20 +49,20 @@ int main(void) DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); /* offsets into the pt_regs */ - DEFINE(PT_D0, offsetof(struct pt_regs, d0)); - DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); - DEFINE(PT_D1, offsetof(struct pt_regs, d1)); - DEFINE(PT_D2, offsetof(struct pt_regs, d2)); - DEFINE(PT_D3, offsetof(struct pt_regs, d3)); - DEFINE(PT_D4, offsetof(struct pt_regs, d4)); - DEFINE(PT_D5, offsetof(struct pt_regs, d5)); - DEFINE(PT_A0, offsetof(struct pt_regs, a0)); - DEFINE(PT_A1, offsetof(struct pt_regs, a1)); - DEFINE(PT_A2, offsetof(struct pt_regs, a2)); - DEFINE(PT_PC, offsetof(struct pt_regs, pc)); - DEFINE(PT_SR, offsetof(struct pt_regs, sr)); + DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); + DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); + DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); + DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); + DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); + DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); + DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); + DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); + DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); + DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); + DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); + DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); /* bitfields are a bit difficult */ - DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4); + DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4); /* offsets into the irq_handler struct */ DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler)); @@ -84,10 +89,10 @@ int main(void) DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref)); /* signal defines */ - DEFINE(SIGSEGV, SIGSEGV); - DEFINE(SEGV_MAPERR, SEGV_MAPERR); - DEFINE(SIGTRAP, SIGTRAP); - DEFINE(TRAP_TRACE, TRAP_TRACE); + DEFINE(LSIGSEGV, SIGSEGV); + DEFINE(LSEGV_MAPERR, SEGV_MAPERR); + DEFINE(LSIGTRAP, SIGTRAP); + DEFINE(LTRAP_TRACE, TRAP_TRACE); /* offsets into the custom struct */ DEFINE(CUSTOMBASE, &amiga_custom); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 8744f60c07a..922f52e7ed1 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -77,17 +77,17 @@ ENTRY(ret_from_fork) jra .Lret_from_exception do_trace_entry: - movel #-ENOSYS,%sp@(PT_D0) | needed for strace + movel #-ENOSYS,%sp@(PT_OFF_D0)| needed for strace subql #4,%sp SAVE_SWITCH_STACK jbsr syscall_trace RESTORE_SWITCH_STACK addql #4,%sp - movel %sp@(PT_ORIG_D0),%d0 + movel %sp@(PT_OFF_ORIG_D0),%d0 cmpl #NR_syscalls,%d0 jcs syscall badsys: - movel #-ENOSYS,%sp@(PT_D0) + movel #-ENOSYS,%sp@(PT_OFF_D0) jra ret_from_syscall do_trace_exit: @@ -103,7 +103,7 @@ ENTRY(ret_from_signal) addql #4,%sp /* on 68040 complete pending writebacks if any */ #ifdef CONFIG_M68040 - bfextu %sp@(PT_VECTOR){#0,#4},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#0,#4},%d0 subql #7,%d0 | bus error frame ? jbne 1f movel %sp,%sp@- @@ -127,7 +127,7 @@ ENTRY(system_call) jcc badsys syscall: jbsr @(sys_call_table,%d0:l:4)@(0) - movel %d0,%sp@(PT_D0) | save the return value + movel %d0,%sp@(PT_OFF_D0) | save the return value ret_from_syscall: |oriw #0x0700,%sr movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0 @@ -135,7 +135,7 @@ ret_from_syscall: 1: RESTORE_ALL syscall_exit_work: - btst #5,%sp@(PT_SR) | check if returning to kernel + btst #5,%sp@(PT_OFF_SR) | check if returning to kernel bnes 1b | if so, skip resched, signals lslw #1,%d0 jcs do_trace_exit @@ -148,7 +148,7 @@ syscall_exit_work: ENTRY(ret_from_exception) .Lret_from_exception: - btst #5,%sp@(PT_SR) | check if returning to kernel + btst #5,%sp@(PT_OFF_SR) | check if returning to kernel bnes 1f | if so, skip resched, signals | only allow interrupts when we are really the last one on the | kernel stack, otherwise stack overflow can occur during @@ -182,7 +182,7 @@ do_signal_return: jbra resume_userspace do_delayed_trace: - bclr #7,%sp@(PT_SR) | clear trace bit in SR + bclr #7,%sp@(PT_OFF_SR) | clear trace bit in SR pea 1 | send SIGTRAP movel %curptr,%sp@- pea LSIGTRAP @@ -199,7 +199,7 @@ ENTRY(auto_inthandler) GET_CURRENT(%d0) addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | put exception # in d0 - bfextu %sp@(PT_VECTOR){#4,#10},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 subw #VEC_SPUR,%d0 movel %sp,%sp@- @@ -216,7 +216,7 @@ ret_from_interrupt: ALIGN ret_from_last_interrupt: moveq #(~ALLOWINT>>8)&0xff,%d0 - andb %sp@(PT_SR),%d0 + andb %sp@(PT_OFF_SR),%d0 jne 2b /* check if we need to do software interrupts */ @@ -232,7 +232,7 @@ ENTRY(user_inthandler) GET_CURRENT(%d0) addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | put exception # in d0 - bfextu %sp@(PT_VECTOR){#4,#10},%d0 + bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0 user_irqvec_fixup = . + 2 subw #VEC_USER,%d0 @@ -755,4 +755,6 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev /* 330 */ + .long sys_rt_tgsigqueueinfo + .long sys_perf_counter_open diff --git a/arch/m68k/math-emu/fp_entry.S b/arch/m68k/math-emu/fp_entry.S index 954b4f304a7..a3fe1f348df 100644 --- a/arch/m68k/math-emu/fp_entry.S +++ b/arch/m68k/math-emu/fp_entry.S @@ -85,8 +85,8 @@ fp_err_ua2: fp_err_ua1: addq.l #4,%sp move.l %a0,-(%sp) - pea SEGV_MAPERR - pea SIGSEGV + pea LSEGV_MAPERR + pea LSIGSEGV jsr fpemu_signal add.w #12,%sp jra ret_from_exception @@ -96,8 +96,8 @@ fp_err_ua1: | it does not really belong here, but... fp_sendtrace060: move.l (FPS_PC,%sp),-(%sp) - pea TRAP_TRACE - pea SIGTRAP + pea LTRAP_TRACE + pea LSIGTRAP jsr fpemu_signal add.w #12,%sp jra ret_from_exception @@ -122,17 +122,17 @@ fp_get_data_reg: .long fp_get_d6, fp_get_d7 fp_get_d0: - move.l (PT_D0+8,%sp),%d0 + move.l (PT_OFF_D0+8,%sp),%d0 printf PREGISTER,"{d0->%08x}",1,%d0 rts fp_get_d1: - move.l (PT_D1+8,%sp),%d0 + move.l (PT_OFF_D1+8,%sp),%d0 printf PREGISTER,"{d1->%08x}",1,%d0 rts fp_get_d2: - move.l (PT_D2+8,%sp),%d0 + move.l (PT_OFF_D2+8,%sp),%d0 printf PREGISTER,"{d2->%08x}",1,%d0 rts @@ -173,35 +173,35 @@ fp_put_data_reg: fp_put_d0: printf PREGISTER,"{d0<-%08x}",1,%d0 - move.l %d0,(PT_D0+8,%sp) + move.l %d0,(PT_OFF_D0+8,%sp) rts fp_put_d1: printf PREGISTER,"{d1<-%08x}",1,%d0 - move.l %d0,(PT_D1+8,%sp) + move.l %d0,(PT_OFF_D1+8,%sp) rts fp_put_d2: printf PREGISTER,"{d2<-%08x}",1,%d0 - move.l %d0,(PT_D2+8,%sp) + move.l %d0,(PT_OFF_D2+8,%sp) rts fp_put_d3: printf PREGISTER,"{d3<-%08x}",1,%d0 | move.l %d0,%d3 - move.l %d0,(PT_D3+8,%sp) + move.l %d0,(PT_OFF_D3+8,%sp) rts fp_put_d4: printf PREGISTER,"{d4<-%08x}",1,%d0 | move.l %d0,%d4 - move.l %d0,(PT_D4+8,%sp) + move.l %d0,(PT_OFF_D4+8,%sp) rts fp_put_d5: printf PREGISTER,"{d5<-%08x}",1,%d0 | move.l %d0,%d5 - move.l %d0,(PT_D5+8,%sp) + move.l %d0,(PT_OFF_D5+8,%sp) rts fp_put_d6: @@ -225,17 +225,17 @@ fp_get_addr_reg: .long fp_get_a6, fp_get_a7 fp_get_a0: - move.l (PT_A0+8,%sp),%a0 + move.l (PT_OFF_A0+8,%sp),%a0 printf PREGISTER,"{a0->%08x}",1,%a0 rts fp_get_a1: - move.l (PT_A1+8,%sp),%a0 + move.l (PT_OFF_A1+8,%sp),%a0 printf PREGISTER,"{a1->%08x}",1,%a0 rts fp_get_a2: - move.l (PT_A2+8,%sp),%a0 + move.l (PT_OFF_A2+8,%sp),%a0 printf PREGISTER,"{a2->%08x}",1,%a0 rts @@ -276,17 +276,17 @@ fp_put_addr_reg: fp_put_a0: printf PREGISTER,"{a0<-%08x}",1,%a0 - move.l %a0,(PT_A0+8,%sp) + move.l %a0,(PT_OFF_A0+8,%sp) rts fp_put_a1: printf PREGISTER,"{a1<-%08x}",1,%a0 - move.l %a0,(PT_A1+8,%sp) + move.l %a0,(PT_OFF_A1+8,%sp) rts fp_put_a2: printf PREGISTER,"{a2<-%08x}",1,%a0 - move.l %a0,(PT_A2+8,%sp) + move.l %a0,(PT_OFF_A2+8,%sp) rts fp_put_a3: |