diff options
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/Kconfig | 5 | ||||
| -rw-r--r-- | arch/m32r/kernel/entry.S | 55 | ||||
| -rw-r--r-- | arch/m32r/kernel/m32r_ksyms.c | 29 | ||||
| -rw-r--r-- | arch/m32r/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/m32r/kernel/setup.c | 12 | ||||
| -rw-r--r-- | arch/m32r/kernel/signal.c | 4 | ||||
| -rw-r--r-- | arch/m32r/kernel/smpboot.c | 19 | ||||
| -rw-r--r-- | arch/m32r/lib/Makefile | 4 | ||||
| -rw-r--r-- | arch/m32r/lib/getuser.S | 88 | ||||
| -rw-r--r-- | arch/m32r/lib/putuser.S | 84 |
10 files changed, 52 insertions, 252 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 05c864c6c2d..41fd490af3b 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -285,6 +285,11 @@ config NUMA depends on SMP && BROKEN default n +config NODES_SHIFT + int + default "1" + depends on NEED_MULTIPLE_NODES + # turning this on wastes a bunch of space. # Summit needs it only when NUMA is on config BOOT_IOREMAP diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 3871b65f0c8..920bb742b7a 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -20,7 +20,7 @@ * Stack layout in 'ret_from_system_call': * ptrace needs to have all regs on the stack. * if the order here is changed, it needs to be - * updated in fork.c:copy_process, signal.c:do_signal, + * updated in fork.c:copy_thread, signal.c:do_signal, * ptrace.c and ptrace.h * * M32Rx/M32R2 M32R @@ -41,18 +41,17 @@ * @(0x38,sp) - syscall_nr ditto * @(0x3c,sp) - acc0h @(0x3c,sp) - acch * @(0x40,sp) - acc0l @(0x40,sp) - accl - * @(0x44,sp) - acc1h @(0x44,sp) - psw - * @(0x48,sp) - acc1l @(0x48,sp) - bpc - * @(0x4c,sp) - psw @(0x4c,sp) - bbpsw - * @(0x50,sp) - bpc @(0x50,sp) - bbpc - * @(0x54,sp) - bbpsw @(0x54,sp) - spu (cr3) - * @(0x58,sp) - bbpc @(0x58,sp) - fp (r13) - * @(0x5c,sp) - spu (cr3) @(0x5c,sp) - lr (r14) - * @(0x60,sp) - fp (r13) @(0x60,sp) - spi (cr12) - * @(0x64,sp) - lr (r14) @(0x64,sp) - orig_r0 - * @(0x68,sp) - spi (cr2) - * @(0x6c,sp) - orig_r0 - * + * @(0x44,sp) - acc1h @(0x44,sp) - dummy_acc1h + * @(0x48,sp) - acc1l @(0x48,sp) - dummy_acc1l + * @(0x4c,sp) - psw ditto + * @(0x50,sp) - bpc ditto + * @(0x54,sp) - bbpsw ditto + * @(0x58,sp) - bbpc ditto + * @(0x5c,sp) - spu (cr3) ditto + * @(0x60,sp) - fp (r13) ditto + * @(0x64,sp) - lr (r14) ditto + * @(0x68,sp) - spi (cr2) ditto + * @(0x6c,sp) - orig_r0 ditto */ #include <linux/config.h> @@ -102,6 +101,12 @@ #define ACC0L(reg) @(0x40,reg) #define ACC1H(reg) @(0x44,reg) #define ACC1L(reg) @(0x48,reg) +#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) +#define ACCH(reg) @(0x3C,reg) +#define ACCL(reg) @(0x40,reg) +#else +#error unknown isa configuration +#endif #define PSW(reg) @(0x4C,reg) #define BPC(reg) @(0x50,reg) #define BBPSW(reg) @(0x54,reg) @@ -111,21 +116,6 @@ #define LR(reg) @(0x64,reg) #define SP(reg) @(0x68,reg) #define ORIG_R0(reg) @(0x6C,reg) -#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) -#define ACCH(reg) @(0x3C,reg) -#define ACCL(reg) @(0x40,reg) -#define PSW(reg) @(0x44,reg) -#define BPC(reg) @(0x48,reg) -#define BBPSW(reg) @(0x4C,reg) -#define BBPC(reg) @(0x50,reg) -#define SPU(reg) @(0x54,reg) -#define FP(reg) @(0x58,reg) /* FP = R13 */ -#define LR(reg) @(0x5C,reg) -#define SP(reg) @(0x60,reg) -#define ORIG_R0(reg) @(0x64,reg) -#else -#error unknown isa configuration -#endif CF_MASK = 0x00000001 TF_MASK = 0x00000100 @@ -142,7 +132,7 @@ VM_MASK = 0x00020000 #endif ENTRY(ret_from_fork) - ld r0, @sp+ + pop r0 bl schedule_tail GET_THREAD_INFO(r8) bra syscall_exit @@ -231,7 +221,7 @@ restore_all: RESTORE_ALL # perform work that needs to be done immediately before resumption - # r9 : frags + # r9 : flags ALIGN work_pending: and3 r4, r9, #_TIF_NEED_RESCHED @@ -320,7 +310,7 @@ ENTRY(ei_handler) ; GET_ICU_STATUS; seth r0, #shigh(M32R_ICU_ISTS_ADDR) ld r0, @(low(M32R_ICU_ISTS_ADDR),r0) - st r0, @-sp + push r0 #if defined(CONFIG_SMP) /* * If IRQ == 0 --> Nothing to do, Not write IMASK @@ -557,7 +547,7 @@ check_end: #endif /* CONFIG_PLAT_M32104UT */ bl do_IRQ #endif /* CONFIG_SMP */ - ld r14, @sp+ + pop r14 seth r0, #shigh(M32R_ICU_IMASK_ADDR) st r14, @(low(M32R_ICU_IMASK_ADDR),r0) #else @@ -1015,4 +1005,3 @@ ENTRY(sys_call_table) .long sys_waitid syscall_table_size=(.-sys_call_table) - diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index be8b711367e..c50330fa83b 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -23,9 +23,6 @@ EXPORT_SYMBOL(boot_cpu_data); EXPORT_SYMBOL(dump_fpu); EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); -EXPORT_SYMBOL(enable_irq); -EXPORT_SYMBOL(disable_irq); -EXPORT_SYMBOL(disable_irq_nosync); EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(__down); EXPORT_SYMBOL(__down_interruptible); @@ -38,13 +35,6 @@ EXPORT_SYMBOL(__udelay); EXPORT_SYMBOL(__delay); EXPORT_SYMBOL(__const_udelay); -EXPORT_SYMBOL(__get_user_1); -EXPORT_SYMBOL(__get_user_2); -EXPORT_SYMBOL(__get_user_4); - -EXPORT_SYMBOL(strpbrk); -EXPORT_SYMBOL(strstr); - EXPORT_SYMBOL(strncpy_from_user); EXPORT_SYMBOL(__strncpy_from_user); EXPORT_SYMBOL(clear_user); @@ -59,11 +49,8 @@ extern void *dcache_dummy; EXPORT_SYMBOL(dcache_dummy); #endif EXPORT_SYMBOL(cpu_data); -EXPORT_SYMBOL(cpu_online_map); -EXPORT_SYMBOL(cpu_callout_map); /* Global SMP stuff */ -EXPORT_SYMBOL(synchronize_irq); EXPORT_SYMBOL(smp_call_function); /* TLB flushing */ @@ -83,27 +70,11 @@ EXPORT_SYMBOL(__lshrdi3); EXPORT_SYMBOL(__muldi3); /* memory and string operations */ -EXPORT_SYMBOL(memchr); EXPORT_SYMBOL(memcpy); -/* EXPORT_SYMBOL(memcpy_fromio); // not implement yet */ -/* EXPORT_SYMBOL(memcpy_toio); // not implement yet */ EXPORT_SYMBOL(memset); -/* EXPORT_SYMBOL(memset_io); // not implement yet */ -EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(memcmp); -EXPORT_SYMBOL(memscan); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(clear_page); - -EXPORT_SYMBOL(strcat); -EXPORT_SYMBOL(strchr); -EXPORT_SYMBOL(strcmp); -EXPORT_SYMBOL(strcpy); EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strncat); -EXPORT_SYMBOL(strncmp); -EXPORT_SYMBOL(strnlen); -EXPORT_SYMBOL(strncpy); EXPORT_SYMBOL(_inb); EXPORT_SYMBOL(_inw); diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 5dfc7ea45cf..065f5e71905 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -116,6 +116,10 @@ void cpu_idle (void) void machine_restart(char *__unused) { +#if defined(CONFIG_PLAT_MAPPI3) + outw(1, (unsigned long)PLD_REBOOT); +#endif + printk("Please push reset button!\n"); while (1) cpu_relax(); diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c index 0d78942b4c7..3cd3c2988a4 100644 --- a/arch/m32r/kernel/setup.c +++ b/arch/m32r/kernel/setup.c @@ -9,6 +9,7 @@ #include <linux/config.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/stddef.h> #include <linux/fs.h> #include <linux/sched.h> @@ -219,8 +220,6 @@ static unsigned long __init setup_memory(void) extern unsigned long setup_memory(void); #endif /* CONFIG_DISCONTIGMEM */ -#define M32R_PCC_PCATCR 0x00ef7014 /* will move to m32r.h */ - void __init setup_arch(char **cmdline_p) { ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); @@ -269,15 +268,14 @@ void __init setup_arch(char **cmdline_p) paging_init(); } -static struct cpu cpu[NR_CPUS]; +static struct cpu cpu_devices[NR_CPUS]; static int __init topology_init(void) { - int cpu_id; + int i; - for (cpu_id = 0; cpu_id < NR_CPUS; cpu_id++) - if (cpu_possible(cpu_id)) - register_cpu(&cpu[cpu_id], cpu_id, NULL); + for_each_present_cpu(i) + register_cpu(&cpu_devices[i], i, NULL); return 0; } diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index cb33097fefc..6498ee70bb7 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -118,6 +118,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, #elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) COPY(acch); COPY(accl); + COPY(dummy_acc1h); + COPY(dummy_acc1l); #else #error unknown isa configuration #endif @@ -203,6 +205,8 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, #elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R) COPY(acch); COPY(accl); + COPY(dummy_acc1h); + COPY(dummy_acc1l); #else #error unknown isa configuration #endif diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index d7ec16e7fb2..840b4348bf0 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -39,8 +39,10 @@ * Martin J. Bligh : Added support for multi-quad systems */ +#include <linux/module.h> #include <linux/config.h> #include <linux/init.h> +#include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp_lock.h> #include <linux/irq.h> @@ -72,11 +74,15 @@ physid_mask_t phys_cpu_present_map; /* Bitmask of currently online CPUs */ cpumask_t cpu_online_map; +EXPORT_SYMBOL(cpu_online_map); cpumask_t cpu_bootout_map; cpumask_t cpu_bootin_map; -cpumask_t cpu_callout_map; static cpumask_t cpu_callin_map; +cpumask_t cpu_callout_map; +EXPORT_SYMBOL(cpu_callout_map); +cpumask_t cpu_possible_map = CPU_MASK_ALL; +EXPORT_SYMBOL(cpu_possible_map); /* Per CPU bogomips and other parameters */ struct cpuinfo_m32r cpu_data[NR_CPUS] __cacheline_aligned; @@ -110,7 +116,6 @@ static unsigned int calibration_result; void smp_prepare_boot_cpu(void); void smp_prepare_cpus(unsigned int); -static void smp_tune_scheduling(void); static void init_ipi_lock(void); static void do_boot_cpu(int); int __cpu_up(unsigned int); @@ -177,6 +182,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus) } for (phys_id = 0 ; phys_id < nr_cpu ; phys_id++) physid_set(phys_id, phys_cpu_present_map); +#ifndef CONFIG_HOTPLUG_CPU + cpu_present_map = cpu_possible_map; +#endif show_mp_info(nr_cpu); @@ -186,7 +194,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) * Setup boot CPU information */ smp_store_cpu_info(0); /* Final full version of the data */ - smp_tune_scheduling(); /* * If SMP should be disabled, then really disable it! @@ -230,11 +237,6 @@ smp_done: Dprintk("Boot done.\n"); } -static void __init smp_tune_scheduling(void) -{ - /* Nothing to do. */ -} - /* * init_ipi_lock : Initialize IPI locks. */ @@ -629,4 +631,3 @@ static void __init unmap_cpu_to_physid(int cpu_id, int phys_id) physid_2_cpu[phys_id] = -1; cpu_2_physid[cpu_id] = -1; } - diff --git a/arch/m32r/lib/Makefile b/arch/m32r/lib/Makefile index e632d10c7d7..d16b4e40d1a 100644 --- a/arch/m32r/lib/Makefile +++ b/arch/m32r/lib/Makefile @@ -2,6 +2,6 @@ # Makefile for M32R-specific library files.. # -lib-y := checksum.o ashxdi3.o memset.o memcpy.o getuser.o \ - putuser.o delay.o strlen.o usercopy.o csum_partial_copy.o +lib-y := checksum.o ashxdi3.o memset.o memcpy.o \ + delay.o strlen.o usercopy.o csum_partial_copy.o diff --git a/arch/m32r/lib/getuser.S b/arch/m32r/lib/getuser.S deleted file mode 100644 index 58a0db055c5..00000000000 --- a/arch/m32r/lib/getuser.S +++ /dev/null @@ -1,88 +0,0 @@ -/* - * __get_user functions. - * - * (C) Copyright 2001 Hirokazu Takata - * - * These functions have a non-standard call interface - * to make them more efficient, especially as they - * return an error value in addition to the "real" - * return value. - */ - -#include <linux/config.h> - -/* - * __get_user_X - * - * Inputs: r0 contains the address - * - * Outputs: r0 is error code (0 or -EFAULT) - * r1 contains zero-extended value - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -#ifdef CONFIG_ISA_DUAL_ISSUE - - .text - .balign 4 - .globl __get_user_1 -__get_user_1: -1: ldub r1, @r0 || ldi r0, #0 - jmp r14 - - .balign 4 - .globl __get_user_2 -__get_user_2: -2: lduh r1, @r0 || ldi r0, #0 - jmp r14 - - .balign 4 - .globl __get_user_4 -__get_user_4: -3: ld r1, @r0 || ldi r0, #0 - jmp r14 - -bad_get_user: - ldi r1, #0 || ldi r0, #-14 - jmp r14 - -#else /* not CONFIG_ISA_DUAL_ISSUE */ - - .text - .balign 4 - .globl __get_user_1 -__get_user_1: -1: ldub r1, @r0 - ldi r0, #0 - jmp r14 - - .balign 4 - .globl __get_user_2 -__get_user_2: -2: lduh r1, @r0 - ldi r0, #0 - jmp r14 - - .balign 4 - .globl __get_user_4 -__get_user_4: -3: ld r1, @r0 - ldi r0, #0 - jmp r14 - -bad_get_user: - ldi r1, #0 - ldi r0, #-14 - jmp r14 - -#endif /* not CONFIG_ISA_DUAL_ISSUE */ - -.section __ex_table,"a" - .long 1b,bad_get_user - .long 2b,bad_get_user - .long 3b,bad_get_user -.previous - - .end diff --git a/arch/m32r/lib/putuser.S b/arch/m32r/lib/putuser.S deleted file mode 100644 index 218154cc389..00000000000 --- a/arch/m32r/lib/putuser.S +++ /dev/null @@ -1,84 +0,0 @@ -/* - * __put_user functions. - * - * (C) Copyright 1998 Linus Torvalds - * (C) Copyright 2001 Hirokazu Takata - * - * These functions have a non-standard call interface - * to make them more efficient. - */ - -#include <linux/config.h> - -/* - * __put_user_X - * - * Inputs: r0 contains the address - * r1 contains the value - * - * Outputs: r0 is error code (0 or -EFAULT) - * r1 is corrupted (will contain "current_task"). - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -#ifdef CONFIG_ISA_DUAL_ISSUE - - .text - .balign 4 - .globl __put_user_1 -__put_user_1: -1: stb r1, @r0 || ldi r0, #0 - jmp r14 - - .balign 4 - .globl __put_user_2 -__put_user_2: -2: sth r1, @r0 || ldi r0, #0 - jmp r14 - - .balign 4 - .globl __put_user_4 -__put_user_4: -3: st r1, @r0 || ldi r0, #0 - jmp r14 - -bad_put_user: - ldi r0, #-14 || jmp r14 - -#else /* not CONFIG_ISA_DUAL_ISSUE */ - - .text - .balign 4 - .globl __put_user_1 -__put_user_1: -1: stb r1, @r0 - ldi r0, #0 - jmp r14 - - .balign 4 - .globl __put_user_2 -__put_user_2: -2: sth r1, @r0 - ldi r0, #0 - jmp r14 - - .balign 4 - .globl __put_user_4 -__put_user_4: -3: st r1, @r0 - ldi r0, #0 - jmp r14 - -bad_put_user: - ldi r0, #-14 - jmp r14 - -#endif /* not CONFIG_ISA_DUAL_ISSUE */ - -.section __ex_table,"a" - .long 1b,bad_put_user - .long 2b,bad_put_user - .long 3b,bad_put_user -.previous |