From 5171b100511513bc52875055f7d900fc3f7c922b Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Fri, 17 Aug 2007 18:11:37 +0900 Subject: m32r: Simplify ei_handler code Simplify and clean up messy ei_handler code in arch/m32r/kernel/entry.S. - Remove ifdef's for CONFIG_CHIP_* configulations. - Rearrange the M32700 workaround code. - Remove the messy platform-dependent interrupt check routines and consolidate them to common INT0/INT1/INT2 check routines for all platforms with cascaded interrupt controllers. Signed-off-by: Hitoshi Yamamoto Signed-off-by: Hirokazu Takata --- arch/m32r/kernel/entry.S | 241 ++++++++--------------------------------------- 1 file changed, 39 insertions(+), 202 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index a2c472c0549f..07d95a4f51a2 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -290,16 +290,12 @@ syscall_badsys: */ ENTRY(ei_handler) #if defined(CONFIG_CHIP_M32700) - SWITCH_TO_KERNEL_STACK ; WORKAROUND: force to clear SM bit and use the kernel stack (SPI). + SWITCH_TO_KERNEL_STACK #endif SAVE_ALL mv r1, sp ; arg1(regs) -#if defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_XNUX2) \ - || defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_M32102) \ - || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) - -; GET_ICU_STATUS; + ; GET_ICU_STATUS; seth r0, #shigh(M32R_ICU_ISTS_ADDR) ld r0, @(low(M32R_ICU_ISTS_ADDR),r0) push r0 @@ -314,10 +310,15 @@ ENTRY(ei_handler) ;; IRQ exist check #if defined(CONFIG_CHIP_M32700) /* WORKAROUND: IMASK bug M32700-TS1, TS2 chip. */ - beqz r0, 3f ; if (!irq_num) goto exit -#else + bnez r0, 0f + ld24 r14, #0x00070000 + seth r0, #shigh(M32R_ICU_IMASK_ADDR) + st r14, @(low(M32R_ICU_IMASK_ADDR),r0) + bra 1f + .fillinsn +0: +#endif /* CONFIG_CHIP_M32700 */ beqz r0, 1f ; if (!irq_num) goto exit -#endif /* WORKAROUND */ ;; IPI check cmpi r0, #(M32R_IRQ_IPI0<<2) ; ISN < IPI0 check bc 2f @@ -333,218 +334,54 @@ ENTRY(ei_handler) 1: addi sp, #4 bra ret_to_intr -#if defined(CONFIG_CHIP_M32700) - /* WORKAROUND: IMASK bug M32700-TS1, TS2 chip. */ - .fillinsn -3: - ld24 r14, #0x00070000 - seth r0, #shigh(M32R_ICU_IMASK_ADDR) - st r14, @(low(M32R_ICU_IMASK_ADDR), r0) - addi sp, #4 - bra ret_to_intr -#endif /* WORKAROUND */ - ;; do_IRQ .fillinsn 2: srli r0, #2 -#if defined(CONFIG_PLAT_USRV) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, 9f - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(M32700UT_PLD_IRQ_BASE) - .fillinsn -9: -#elif defined(CONFIG_PLAT_M32700UT) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, check_int0 - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(M32700UT_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int0: - add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt - bnez r2, check_int2 - ; read ICU status of LAN-board - seth r0, #high(M32700UT_LAN_ICUISTS) - or3 r0, r0, #low(M32700UT_LAN_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(M32700UT_LAN_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int2: - add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt - bnez r2, check_end - ; read ICU status of LCD-board - seth r0, #high(M32700UT_LCD_ICUISTS) - or3 r0, r0, #low(M32700UT_LCD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(M32700UT_LCD_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_end: -#elif defined(CONFIG_PLAT_OPSPUT) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, check_int0 - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(OPSPUT_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int0: - add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt - bnez r2, check_int2 - ; read ICU status of LAN-board - seth r0, #high(OPSPUT_LAN_ICUISTS) - or3 r0, r0, #low(OPSPUT_LAN_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(OPSPUT_LAN_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int2: - add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt - bnez r2, check_end - ; read ICU status of LCD-board - seth r0, #high(OPSPUT_LCD_ICUISTS) - or3 r0, r0, #low(OPSPUT_LCD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(OPSPUT_LCD_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_end: -#endif /* CONFIG_PLAT_OPSPUT */ - bl do_IRQ ; r0(irq), r1(regs) -#else /* not CONFIG_SMP */ +#else /* not CONFIG_SMP */ srli r0, #22 ; r0(irq) -#if defined(CONFIG_PLAT_USRV) +#endif /* not CONFIG_SMP */ + +#if defined(CONFIG_PLAT_HAS_INT1ICU) add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, 1f - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 + bnez r2, 3f + seth r0, #shigh(M32R_INT1ICU_ISTS) + lduh r0, @(low(M32R_INT1ICU_ISTS),r0) ; bit10-6 : ISN slli r0, #21 srli r0, #27 ; ISN - addi r0, #(M32700UT_PLD_IRQ_BASE) - .fillinsn -1: -#elif defined(CONFIG_PLAT_M32700UT) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, check_int0 - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(M32700UT_PLD_IRQ_BASE) + addi r0, #(M32R_INT1ICU_IRQ_BASE) bra check_end .fillinsn -check_int0: - add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt - bnez r2, check_int2 - ; read ICU status of LAN-board - seth r0, #high(M32700UT_LAN_ICUISTS) - or3 r0, r0, #low(M32700UT_LAN_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(M32700UT_LAN_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int2: - add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt - bnez r2, check_end - ; read ICU status of LCD-board - seth r0, #high(M32700UT_LCD_ICUISTS) - or3 r0, r0, #low(M32700UT_LCD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(M32700UT_LCD_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_end: -#elif defined(CONFIG_PLAT_OPSPUT) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, check_int0 - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(OPSPUT_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int0: - add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt - bnez r2, check_int2 - ; read ICU status of LAN-board - seth r0, #high(OPSPUT_LAN_ICUISTS) - or3 r0, r0, #low(OPSPUT_LAN_ICUISTS) - lduh r0, @r0 - slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(OPSPUT_LAN_PLD_IRQ_BASE) - bra check_end - .fillinsn -check_int2: - add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt - bnez r2, check_end - ; read ICU status of LCD-board - seth r0, #high(OPSPUT_LCD_ICUISTS) - or3 r0, r0, #low(OPSPUT_LCD_ICUISTS) - lduh r0, @r0 +3: +#endif /* CONFIG_PLAT_HAS_INT1ICU */ +#if defined(CONFIG_PLAT_HAS_INT0ICU) + add3 r2, r0, #-(M32R_IRQ_INT0) ; INT0# interrupt + bnez r2, 4f + seth r0, #shigh(M32R_INT0ICU_ISTS) + lduh r0, @(low(M32R_INT0ICU_ISTS),r0) ; bit10-6 : ISN slli r0, #21 - srli r0, #27 ; ISN - add3 r0, r0, #(OPSPUT_LCD_PLD_IRQ_BASE) + srli r0, #27 ; ISN + addi r0, #(M32R_INT0ICU_IRQ_BASE) bra check_end .fillinsn -check_end: -#elif defined(CONFIG_PLAT_M32104UT) - add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt - bnez r2, check_end - ; read ICU status register of PLD - seth r0, #high(PLD_ICUISTS) - or3 r0, r0, #low(PLD_ICUISTS) - lduh r0, @r0 +4: +#endif /* CONFIG_PLAT_HAS_INT0ICU */ +#if defined(CONFIG_PLAT_HAS_INT2ICU) + add3 r2, r0, #-(M32R_IRQ_INT2) ; INT2# interrupt + bnez r2, 5f + seth r0, #shigh(M32R_INT2ICU_ISTS) + lduh r0, @(low(M32R_INT2ICU_ISTS),r0) ; bit10-6 : ISN slli r0, #21 - srli r0, #27 ; ISN - addi r0, #(M32104UT_PLD_IRQ_BASE) - bra check_end + srli r0, #27 ; ISN + addi r0, #(M32R_INT2ICU_IRQ_BASE) + ; bra check_end .fillinsn +5: +#endif /* CONFIG_PLAT_HAS_INT2ICU */ check_end: -#endif /* CONFIG_PLAT_M32104UT */ bl do_IRQ -#endif /* CONFIG_SMP */ pop r14 seth r0, #shigh(M32R_ICU_IMASK_ADDR) st r14, @(low(M32R_ICU_IMASK_ADDR),r0) -#else -#error no chip configuration -#endif ret_to_intr: bra ret_from_intr -- cgit v1.2.2 From abd0a782359717ded8f663bc5b8e5e9e3cc4f5e7 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Fri, 17 Aug 2007 23:40:37 +0900 Subject: m32r: Exit ei_handler directly for no IRQ case or IPI operations If no IRQ request is found in the IRQ check of ei_handler, we can exit directly by jumping "restore_all", instead of via "ret_from_intr". This modification is also likely effective for IPI operations, because scheduler call never happen at the exit of IPIs. Signed-off-by: Hitoshi Yamamoto Signed-off-by: Hirokazu Takata --- arch/m32r/kernel/entry.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 07d95a4f51a2..4b3a7742fe47 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -333,7 +333,7 @@ ENTRY(ei_handler) .fillinsn 1: addi sp, #4 - bra ret_to_intr + bra restore_all .fillinsn 2: srli r0, #2 @@ -382,7 +382,6 @@ check_end: pop r14 seth r0, #shigh(M32R_ICU_IMASK_ADDR) st r14, @(low(M32R_ICU_IMASK_ADDR),r0) -ret_to_intr: bra ret_from_intr /* -- cgit v1.2.2 From de2232edb8d82aca938570eb6f136e2d70a26418 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Sat, 18 Aug 2007 00:10:18 +0900 Subject: m32r: Cosmetic updates of arch/m32r/kernel/entry.S - Remove unused symbols *_MASK - Change indentation of comments, etc. Signed-off-by: Hirokazu Takata --- arch/m32r/kernel/entry.S | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 4b3a7742fe47..450b106ee613 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -109,13 +109,6 @@ #define SP(reg) @(0x68,reg) #define ORIG_R0(reg) @(0x6C,reg) -CF_MASK = 0x00000001 -TF_MASK = 0x00000100 -IF_MASK = 0x00000200 -DF_MASK = 0x00000400 -NT_MASK = 0x00004000 -VM_MASK = 0x00020000 - #ifdef CONFIG_PREEMPT #define preempt_stop(x) CLI(x) #else @@ -295,7 +288,7 @@ ENTRY(ei_handler) #endif SAVE_ALL mv r1, sp ; arg1(regs) - ; GET_ICU_STATUS; + ; get ICU status seth r0, #shigh(M32R_ICU_ISTS_ADDR) ld r0, @(low(M32R_ICU_ISTS_ADDR),r0) push r0 @@ -377,6 +370,7 @@ ENTRY(ei_handler) .fillinsn 5: #endif /* CONFIG_PLAT_HAS_INT2ICU */ + check_end: bl do_IRQ pop r14 @@ -467,7 +461,7 @@ inst: ENTRY(alignment_check) -/* void alignment_check(int error_code) */ + /* void alignment_check(int error_code) */ SWITCH_TO_KERNEL_STACK SAVE_ALL ldi r1, #0x30 ; error_code @@ -477,7 +471,7 @@ error_code: bra ret_from_exception ENTRY(rie_handler) -/* void rie_handler(int error_code) */ + /* void rie_handler(int error_code) */ SWITCH_TO_KERNEL_STACK SAVE_ALL ldi r1, #0x20 ; error_code @@ -486,7 +480,7 @@ ENTRY(rie_handler) bra error_code ENTRY(pie_handler) -/* void pie_handler(int error_code) */ + /* void pie_handler(int error_code) */ SWITCH_TO_KERNEL_STACK SAVE_ALL ldi r1, #0 ; error_code ; FIXME @@ -495,8 +489,8 @@ ENTRY(pie_handler) bra error_code ENTRY(debug_trap) - .global withdraw_debug_trap /* void debug_trap(void) */ + .global withdraw_debug_trap SWITCH_TO_KERNEL_STACK SAVE_ALL mv r0, sp ; pt_regs @@ -515,11 +509,9 @@ ENTRY(ill_trap) bl do_ill_trap bra error_code - -/* Cache flushing handler */ ENTRY(cache_flushing_handler) - .global _flush_cache_all /* void _flush_cache_all(void); */ + .global _flush_cache_all SWITCH_TO_KERNEL_STACK push r0 push r1 -- cgit v1.2.2 From 9990b48a403fa465b4ff600cd8a7b5108d1bc135 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Mon, 20 Aug 2007 09:12:46 +0900 Subject: m32r: Separate syscall table from entry.S - Separate sys_call_table from arch/m32r/kernel/entry.S and move it to arch/m32r/kernel/system_call.S. - Change sys_call_table section from .data to .rodata. Signed-off-by: Hirokazu Takata --- arch/m32r/kernel/entry.S | 291 +---------------------------------------------- 1 file changed, 4 insertions(+), 287 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 450b106ee613..c46cfaa763c3 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -109,6 +109,8 @@ #define SP(reg) @(0x68,reg) #define ORIG_R0(reg) @(0x6C,reg) +#define nr_syscalls ((syscall_table_size)/4) + #ifdef CONFIG_PREEMPT #define preempt_stop(x) CLI(x) #else @@ -534,292 +536,7 @@ ENTRY(cache_flushing_handler) pop r0 rte -.data -ENTRY(sys_call_table) - .long sys_restart_syscall /* 0 - old "setup()" system call*/ - .long sys_exit - .long sys_fork - .long sys_read - .long sys_write - .long sys_open /* 5 */ - .long sys_close - .long sys_waitpid - .long sys_creat - .long sys_link - .long sys_unlink /* 10 */ - .long sys_execve - .long sys_chdir - .long sys_time - .long sys_mknod - .long sys_chmod /* 15 */ - .long sys_ni_syscall /* lchown16 syscall holder */ - .long sys_ni_syscall /* old break syscall holder */ - .long sys_ni_syscall /* old stat syscall holder */ - .long sys_lseek - .long sys_getpid /* 20 */ - .long sys_mount - .long sys_oldumount - .long sys_ni_syscall /* setuid16 syscall holder */ - .long sys_ni_syscall /* getuid16 syscall holder */ - .long sys_stime /* 25 */ - .long sys_ptrace - .long sys_alarm - .long sys_ni_syscall /* old fstat syscall holder */ - .long sys_pause - .long sys_utime /* 30 */ - .long sys_ni_syscall /* old stty syscall holder */ - .long sys_cachectl /* for M32R */ /* old gtty syscall holder */ - .long sys_access - .long sys_ni_syscall /* nice syscall holder */ - .long sys_ni_syscall /* 35 - old ftime syscall holder */ - .long sys_sync - .long sys_kill - .long sys_rename - .long sys_mkdir - .long sys_rmdir /* 40 */ - .long sys_dup - .long sys_pipe - .long sys_times - .long sys_ni_syscall /* old prof syscall holder */ - .long sys_brk /* 45 */ - .long sys_ni_syscall /* setgid16 syscall holder */ - .long sys_getgid /* will be unused */ - .long sys_ni_syscall /* signal syscall holder */ - .long sys_ni_syscall /* geteuid16 syscall holder */ - .long sys_ni_syscall /* 50 - getegid16 syscall holder */ - .long sys_acct - .long sys_umount /* recycled never used phys() */ - .long sys_ni_syscall /* old lock syscall holder */ - .long sys_ioctl - .long sys_fcntl /* 55 - will be unused */ - .long sys_ni_syscall /* mpx syscall holder */ - .long sys_setpgid - .long sys_ni_syscall /* old ulimit syscall holder */ - .long sys_ni_syscall /* sys_olduname */ - .long sys_umask /* 60 */ - .long sys_chroot - .long sys_ustat - .long sys_dup2 - .long sys_getppid - .long sys_getpgrp /* 65 */ - .long sys_setsid - .long sys_ni_syscall /* sigaction syscall holder */ - .long sys_ni_syscall /* sgetmask syscall holder */ - .long sys_ni_syscall /* ssetmask syscall holder */ - .long sys_ni_syscall /* 70 - setreuid16 syscall holder */ - .long sys_ni_syscall /* setregid16 syscall holder */ - .long sys_ni_syscall /* sigsuspend syscall holder */ - .long sys_ni_syscall /* sigpending syscall holder */ - .long sys_sethostname - .long sys_setrlimit /* 75 */ - .long sys_getrlimit/*will be unused*/ - .long sys_getrusage - .long sys_gettimeofday - .long sys_settimeofday - .long sys_ni_syscall /* 80 - getgroups16 syscall holder */ - .long sys_ni_syscall /* setgroups16 syscall holder */ - .long sys_ni_syscall /* sys_oldselect */ - .long sys_symlink - .long sys_ni_syscall /* old lstat syscall holder */ - .long sys_readlink /* 85 */ - .long sys_uselib - .long sys_swapon - .long sys_reboot - .long sys_ni_syscall /* readdir syscall holder */ - .long sys_ni_syscall /* 90 - old_mmap syscall holder */ - .long sys_munmap - .long sys_truncate - .long sys_ftruncate - .long sys_fchmod - .long sys_ni_syscall /* 95 - fchwon16 syscall holder */ - .long sys_getpriority - .long sys_setpriority - .long sys_ni_syscall /* old profil syscall holder */ - .long sys_statfs - .long sys_fstatfs /* 100 */ - .long sys_ni_syscall /* ioperm syscall holder */ - .long sys_socketcall - .long sys_syslog - .long sys_setitimer - .long sys_getitimer /* 105 */ - .long sys_newstat - .long sys_newlstat - .long sys_newfstat - .long sys_ni_syscall /* old uname syscall holder */ - .long sys_ni_syscall /* 110 - iopl syscall holder */ - .long sys_vhangup - .long sys_ni_syscall /* idle syscall holder */ - .long sys_ni_syscall /* vm86old syscall holder */ - .long sys_wait4 - .long sys_swapoff /* 115 */ - .long sys_sysinfo - .long sys_ipc - .long sys_fsync - .long sys_ni_syscall /* sigreturn syscall holder */ - .long sys_clone /* 120 */ - .long sys_setdomainname - .long sys_newuname - .long sys_ni_syscall /* modify_ldt syscall holder */ - .long sys_adjtimex - .long sys_mprotect /* 125 */ - .long sys_ni_syscall /* sigprocmask syscall holder */ - .long sys_ni_syscall /* create_module syscall holder */ - .long sys_init_module - .long sys_delete_module - .long sys_ni_syscall /* 130 - get_kernel_syms */ - .long sys_quotactl - .long sys_getpgid - .long sys_fchdir - .long sys_bdflush - .long sys_sysfs /* 135 */ - .long sys_personality - .long sys_ni_syscall /* afs_syscall syscall holder */ - .long sys_ni_syscall /* setfsuid16 syscall holder */ - .long sys_ni_syscall /* setfsgid16 syscall holder */ - .long sys_llseek /* 140 */ - .long sys_getdents - .long sys_select - .long sys_flock - .long sys_msync - .long sys_readv /* 145 */ - .long sys_writev - .long sys_getsid - .long sys_fdatasync - .long sys_sysctl - .long sys_mlock /* 150 */ - .long sys_munlock - .long sys_mlockall - .long sys_munlockall - .long sys_sched_setparam - .long sys_sched_getparam /* 155 */ - .long sys_sched_setscheduler - .long sys_sched_getscheduler - .long sys_sched_yield - .long sys_sched_get_priority_max - .long sys_sched_get_priority_min /* 160 */ - .long sys_sched_rr_get_interval - .long sys_nanosleep - .long sys_mremap - .long sys_ni_syscall /* setresuid16 syscall holder */ - .long sys_ni_syscall /* 165 - getresuid16 syscall holder */ - .long sys_tas /* vm86 syscall holder */ - .long sys_ni_syscall /* query_module syscall holder */ - .long sys_poll - .long sys_nfsservctl - .long sys_setresgid /* 170 */ - .long sys_getresgid - .long sys_prctl - .long sys_rt_sigreturn - .long sys_rt_sigaction - .long sys_rt_sigprocmask /* 175 */ - .long sys_rt_sigpending - .long sys_rt_sigtimedwait - .long sys_rt_sigqueueinfo - .long sys_rt_sigsuspend - .long sys_pread64 /* 180 */ - .long sys_pwrite64 - .long sys_ni_syscall /* chown16 syscall holder */ - .long sys_getcwd - .long sys_capget - .long sys_capset /* 185 */ - .long sys_sigaltstack - .long sys_sendfile - .long sys_ni_syscall /* streams1 */ - .long sys_ni_syscall /* streams2 */ - .long sys_vfork /* 190 */ - .long sys_getrlimit - .long sys_mmap2 - .long sys_truncate64 - .long sys_ftruncate64 - .long sys_stat64 /* 195 */ - .long sys_lstat64 - .long sys_fstat64 - .long sys_lchown - .long sys_getuid - .long sys_getgid /* 200 */ - .long sys_geteuid - .long sys_getegid - .long sys_setreuid - .long sys_setregid - .long sys_getgroups /* 205 */ - .long sys_setgroups - .long sys_fchown - .long sys_setresuid - .long sys_getresuid - .long sys_setresgid /* 210 */ - .long sys_getresgid - .long sys_chown - .long sys_setuid - .long sys_setgid - .long sys_setfsuid /* 215 */ - .long sys_setfsgid - .long sys_pivot_root - .long sys_mincore - .long sys_madvise - .long sys_getdents64 /* 220 */ - .long sys_fcntl64 - .long sys_ni_syscall /* reserved for TUX */ - .long sys_ni_syscall /* Reserved for Security */ - .long sys_gettid - .long sys_readahead /* 225 */ - .long sys_setxattr - .long sys_lsetxattr - .long sys_fsetxattr - .long sys_getxattr - .long sys_lgetxattr /* 230 */ - .long sys_fgetxattr - .long sys_listxattr - .long sys_llistxattr - .long sys_flistxattr - .long sys_removexattr /* 235 */ - .long sys_lremovexattr - .long sys_fremovexattr - .long sys_tkill - .long sys_sendfile64 - .long sys_futex /* 240 */ - .long sys_sched_setaffinity - .long sys_sched_getaffinity - .long sys_ni_syscall /* reserved for "set_thread_area" system call */ - .long sys_ni_syscall /* reserved for "get_thread_area" system call */ - .long sys_io_setup /* 245 */ - .long sys_io_destroy - .long sys_io_getevents - .long sys_io_submit - .long sys_io_cancel - .long sys_fadvise64 /* 250 */ - .long sys_ni_syscall - .long sys_exit_group - .long sys_lookup_dcookie - .long sys_epoll_create - .long sys_epoll_ctl /* 255 */ - .long sys_epoll_wait - .long sys_remap_file_pages - .long sys_set_tid_address - .long sys_timer_create - .long sys_timer_settime /* 260 */ - .long sys_timer_gettime - .long sys_timer_getoverrun - .long sys_timer_delete - .long sys_clock_settime - .long sys_clock_gettime /* 265 */ - .long sys_clock_getres - .long sys_clock_nanosleep - .long sys_statfs64 - .long sys_fstatfs64 - .long sys_tgkill /* 270 */ - .long sys_utimes - .long sys_fadvise64_64 - .long sys_ni_syscall /* Reserved for sys_vserver */ - .long sys_ni_syscall /* Reserved for sys_mbind */ - .long sys_ni_syscall /* Reserved for sys_get_mempolicy */ - .long sys_ni_syscall /* Reserved for sys_set_mempolicy */ - .long sys_mq_open - .long sys_mq_unlink - .long sys_mq_timedsend - .long sys_mq_timedreceive /* 280 */ - .long sys_mq_notify - .long sys_mq_getsetattr - .long sys_ni_syscall /* reserved for kexec */ - .long sys_waitid + .section .rodata,"a" +#include "syscall_table.S" syscall_table_size=(.-sys_call_table) -- cgit v1.2.2 From 33205613cd603fa4d80bb81464e60b909b7047e1 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Tue, 21 Aug 2007 12:04:29 +0900 Subject: m32r: build fix of entry.S This patch fixes the following compile error: <-- snip --> ... AS arch/m32r/kernel/entry.o /home/bunk/linux/kernel-2.6/linux-2.6.23-rc3-mm1/arch/m32r/kernel/entry.S: Assembler messages: /home/bunk/linux/kernel-2.6/linux-2.6.23-rc3-mm1/arch/m32r/kernel/entry.S:358: Error: bad instruction `addi r0,#(((((0)+(64))+(32))+(32)))' make[2]: *** [arch/m32r/kernel/entry.o] Error 1 <-- snip --> Signed-off-by: Hirokazu Takata Cc: Adrian Bunk --- arch/m32r/kernel/entry.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index c46cfaa763c3..42b08bfd46fe 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -355,7 +355,7 @@ ENTRY(ei_handler) lduh r0, @(low(M32R_INT0ICU_ISTS),r0) ; bit10-6 : ISN slli r0, #21 srli r0, #27 ; ISN - addi r0, #(M32R_INT0ICU_IRQ_BASE) + add3 r0, r0, #(M32R_INT0ICU_IRQ_BASE) bra check_end .fillinsn 4: @@ -367,7 +367,7 @@ ENTRY(ei_handler) lduh r0, @(low(M32R_INT2ICU_ISTS),r0) ; bit10-6 : ISN slli r0, #21 srli r0, #27 ; ISN - addi r0, #(M32R_INT2ICU_IRQ_BASE) + add3 r0, r0, #(M32R_INT2ICU_IRQ_BASE) ; bra check_end .fillinsn 5: -- cgit v1.2.2 From 7071b2914a540b43dfcad17f6892a8c115799d50 Mon Sep 17 00:00:00 2001 From: Hirokazu Takata Date: Mon, 20 Aug 2007 20:53:50 +0900 Subject: m32r: Rename STI/CLI macros The names of STI and CLI macros were derived from i386 arch historically, but their name are incomprehensible. So, for easy to understand, rename these macros to ENABLE_INTERRUPTS and DISABLE_INTERRUPTS, respectively. Signed-off-by: Hirokazu Takata --- arch/m32r/kernel/entry.S | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'arch/m32r/kernel/entry.S') diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 42b08bfd46fe..d4eaa2fd1818 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -112,7 +112,7 @@ #define nr_syscalls ((syscall_table_size)/4) #ifdef CONFIG_PREEMPT -#define preempt_stop(x) CLI(x) +#define preempt_stop(x) DISABLE_INTERRUPTS(x) #else #define preempt_stop(x) #define resume_kernel restore_all @@ -144,7 +144,7 @@ ret_from_intr: #endif beqz r4, resume_kernel ENTRY(resume_userspace) - CLI(r4) ; make sure we don't miss an interrupt + DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt ; setting need_resched or sigpending ; between sampling and the iret GET_THREAD_INFO(r8) @@ -168,11 +168,11 @@ need_resched: beqz r4, restore_all LDIMM (r4, PREEMPT_ACTIVE) st r4, @(TI_PRE_COUNT, r8) - STI(r4) + ENABLE_INTERRUPTS(r4) bl schedule ldi r4, #0 st r4, @(TI_PRE_COUNT, r8) - CLI(r4) + DISABLE_INTERRUPTS(r4) bra need_resched #endif @@ -180,7 +180,7 @@ need_resched: ENTRY(system_call) SWITCH_TO_KERNEL_STACK SAVE_ALL - STI(r4) ; Enable interrupt + ENABLE_INTERRUPTS(r4) ; Enable interrupt st sp, PTREGS(sp) ; implicit pt_regs parameter cmpui r7, #NR_syscalls bnc syscall_badsys @@ -198,7 +198,7 @@ syscall_call: jl r7 ; execute system call st r0, R0(sp) ; save the return value syscall_exit: - CLI(r4) ; make sure we don't miss an interrupt + DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt ; setting need_resched or sigpending ; between sampling and the iret ld r9, @(TI_FLAGS, r8) @@ -215,7 +215,7 @@ work_pending: beqz r4, work_notifysig work_resched: bl schedule - CLI(r4) ; make sure we don't miss an interrupt + DISABLE_INTERRUPTS(r4) ; make sure we don't miss an interrupt ; setting need_resched or sigpending ; between sampling and the iret ld r9, @(TI_FLAGS, r8) @@ -257,7 +257,7 @@ syscall_exit_work: ld r9, @(TI_FLAGS, r8) and3 r4, r9, #_TIF_SYSCALL_TRACE beqz r4, work_pending - STI(r4) ; could let do_syscall_trace() call + ENABLE_INTERRUPTS(r4) ; could let do_syscall_trace() call ; schedule() instead bl do_syscall_trace bra resume_userspace -- cgit v1.2.2