diff options
Diffstat (limited to '')
19 files changed, 0 insertions, 1613 deletions
diff --git a/arch/h8300/platform/h8300h/Makefile b/arch/h8300/platform/h8300h/Makefile deleted file mode 100644 index 420f73b0d962..000000000000 --- a/arch/h8300/platform/h8300h/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the linux kernel. -# -# Reuse any files we can from the H8/300H -# - -obj-y := irq.o ptrace_h8300h.o diff --git a/arch/h8300/platform/h8300h/aki3068net/Makefile b/arch/h8300/platform/h8300h/aki3068net/Makefile deleted file mode 100644 index b7ff78050b7f..000000000000 --- a/arch/h8300/platform/h8300h/aki3068net/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -extra-y := crt0_ram.o diff --git a/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S b/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S deleted file mode 100644 index b2ad0f2d0417..000000000000 --- a/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S +++ /dev/null @@ -1,110 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: AE-3068 (aka. aki3068net) - * Memory Layout : RAM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> - -#if !defined(CONFIG_BLKDEV_RESERVE) -#if defined(CONFIG_GDB_DEBUG) -#define RAMEND (__ramend - 0xc000) -#else -#define RAMEND __ramend -#endif -#else -#define RAMEND CONFIG_BLKDEV_RESERVE_ADDRESS -#endif - - .global __start - .global _command_line - .global __platform_gpio_table - .global __target_name - - .h8300h - - .section .text - .file "crt0_ram.S" - - /* CPU Reset entry */ -__start: - mov.l #RAMEND,sp - ldc #0x80,ccr - - /* Peripheral Setup */ - -#if defined(CONFIG_MTD_UCLINUX) - /* move romfs image */ - jsr @__move_romfs -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr er4 - shlr er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #_command_line,er6 - mov.w #512,r4 - eepmov.w - - /* uClinux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - .byte 0xff,0xff - ;; P2DDR - .byte 0xff,0xff - ;; P3DDR - .byte 0xff,0x00 - ;; P4DDR - .byte 0x00,0x00 - ;; P5DDR - .byte 0x01,0x01 - ;; P6DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P8DDR - .byte 0x0c,0x0c - ;; P9DDR - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x30,0x30 - -__target_name: - .asciz "AE-3068" - - .section .bootvec,"ax" - jmp @__start diff --git a/arch/h8300/platform/h8300h/generic/Makefile b/arch/h8300/platform/h8300h/generic/Makefile deleted file mode 100644 index 2b12a170209e..000000000000 --- a/arch/h8300/platform/h8300h/generic/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -extra-y := crt0_$(MODEL).o diff --git a/arch/h8300/platform/h8300h/generic/crt0_ram.S b/arch/h8300/platform/h8300h/generic/crt0_ram.S deleted file mode 100644 index 5ab7d9c12910..000000000000 --- a/arch/h8300/platform/h8300h/generic/crt0_ram.S +++ /dev/null @@ -1,107 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/generic/crt0_ram.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: AE-3068 (aka. aki3068net) - * Memory Layout : RAM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> - -#if !defined(CONFIG_BLKDEV_RESERVE) -#if defined(CONFIG_GDB_DEBUG) -#define RAMEND (__ramend - 0xc000) -#else -#define RAMEND __ramend -#endif -#else -#define RAMEND CONFIG_BLKDEV_RESERVE_ADDRESS -#endif - - .global __start - .global _command_line - .global __platform_gpio_table - .global __target_name - - .h8300h - - .section .text - .file "crt0_ram.S" - - /* CPU Reset entry */ -__start: - mov.l #RAMEND,sp - ldc #0x80,ccr - - /* Peripheral Setup */ - -#if defined(CONFIG_BLK_DEV_BLKMEM) - /* move romfs image */ - jsr @__move_romfs -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr er4 - shlr er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #_command_line,er6 - mov.w #512,r4 - eepmov.w - - /* uClinux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x00,0x00 - ;; P4DDR - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; P9DDR - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x00,0x00 - -__target_name: - .asciz "generic" diff --git a/arch/h8300/platform/h8300h/generic/crt0_rom.S b/arch/h8300/platform/h8300h/generic/crt0_rom.S deleted file mode 100644 index dda1dfa15a5e..000000000000 --- a/arch/h8300/platform/h8300h/generic/crt0_rom.S +++ /dev/null @@ -1,122 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/generic/crt0_rom.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: generic - * Memory Layout : ROM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> - - .global __start - .global __command_line - .global __platform_gpio_table - .global __target_name - - .h8300h - .section .text - .file "crt0_rom.S" - - /* CPU Reset entry */ -__start: - mov.l #__ramend,sp - ldc #0x80,ccr - - /* Peripheral Setup */ - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr er4 - shlr er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy .data */ -#if !defined(CONFIG_H8300H_SIM) - /* copy .data */ - mov.l #__begin_data,er5 - mov.l #__sdata,er6 - mov.l #__edata,er4 - sub.l er6,er4 - shlr.l er4 - shlr.l er4 -1: - mov.l @er5+,er0 - mov.l er0,@er6 - adds #4,er6 - dec.l #1,er4 - bne 1b -#endif - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #__command_line,er6 - mov.w #512,r4 - eepmov.w - - /* linux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x00,0x00 - ;; P4DDR - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; P9DDR - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x00,0x00 - - .section .rodata -__target_name: - .asciz "generic" - - .section .bss -__command_line: - .space 512 - - /* interrupt vector */ - .section .vectors,"ax" - .long __start -vector = 1 - .rept 64-1 - .long _interrupt_redirect_table+vector*4 -vector = vector + 1 - .endr diff --git a/arch/h8300/platform/h8300h/h8max/Makefile b/arch/h8300/platform/h8300h/h8max/Makefile deleted file mode 100644 index b7ff78050b7f..000000000000 --- a/arch/h8300/platform/h8300h/h8max/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -extra-y := crt0_ram.o diff --git a/arch/h8300/platform/h8300h/h8max/crt0_ram.S b/arch/h8300/platform/h8300h/h8max/crt0_ram.S deleted file mode 100644 index 6a0d4e2d9ec6..000000000000 --- a/arch/h8300/platform/h8300h/h8max/crt0_ram.S +++ /dev/null @@ -1,110 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/h8max/crt0_ram.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: H8MAX - * Memory Layout : RAM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> - -#if !defined(CONFIG_BLKDEV_RESERVE) -#if defined(CONFIG_GDB_DEBUG) -#define RAMEND (__ramend - 0xc000) -#else -#define RAMEND __ramend -#endif -#else -#define RAMEND CONFIG_BLKDEV_RESERVE_ADDRESS -#endif - - .global __start - .global _command_line - .global __platform_gpio_table - .global __target_name - - .h8300h - - .section .text - .file "crt0_ram.S" - - /* CPU Reset entry */ -__start: - mov.l #RAMEND,sp - ldc #0x80,ccr - - /* Peripheral Setup */ - -#if defined(CONFIG_MTD_UCLINUX) - /* move romfs image */ - jsr @__move_romfs -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr er4 - shlr er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #_command_line,er6 - mov.w #512,r4 - eepmov.w - - /* uClinux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - .byte 0xff,0xff - ;; P2DDR - .byte 0xff,0xff - ;; P3DDR - .byte 0x00,0x00 - ;; P4DDR - .byte 0x00,0x00 - ;; P5DDR - .byte 0x01,0x01 - ;; P6DDR - .byte 0xf6,0xf6 - ;; dummy - .byte 0x00,0x00 - ;; P8DDR - .byte 0xee,0xee - ;; P9DDR - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x30,0x30 - -__target_name: - .asciz "H8MAX" - - .section .bootvec,"ax" - jmp @__start diff --git a/arch/h8300/platform/h8300h/irq.c b/arch/h8300/platform/h8300h/irq.c deleted file mode 100644 index 0a50353e09d5..000000000000 --- a/arch/h8300/platform/h8300h/irq.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Interrupt handling H8/300H depend. - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - */ - -#include <linux/init.h> -#include <linux/errno.h> - -#include <asm/ptrace.h> -#include <asm/traps.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/gpio-internal.h> -#include <asm/regs306x.h> - -const int __initconst h8300_saved_vectors[] = { -#if defined(CONFIG_GDB_DEBUG) - TRAP3_VEC, /* TRAPA #3 is GDB breakpoint */ -#endif - -1, -}; - -const h8300_vector __initconst h8300_trap_table[] = { - 0, 0, 0, 0, 0, 0, 0, 0, - system_call, - 0, - 0, - trace_break, -}; - -int h8300_enable_irq_pin(unsigned int irq) -{ - int bitmask; - if (irq < EXT_IRQ0 || irq > EXT_IRQ5) - return 0; - - /* initialize IRQ pin */ - bitmask = 1 << (irq - EXT_IRQ0); - switch(irq) { - case EXT_IRQ0: - case EXT_IRQ1: - case EXT_IRQ2: - case EXT_IRQ3: - if (H8300_GPIO_RESERVE(H8300_GPIO_P8, bitmask) == 0) - return -EBUSY; - H8300_GPIO_DDR(H8300_GPIO_P8, bitmask, H8300_GPIO_INPUT); - break; - case EXT_IRQ4: - case EXT_IRQ5: - if (H8300_GPIO_RESERVE(H8300_GPIO_P9, bitmask) == 0) - return -EBUSY; - H8300_GPIO_DDR(H8300_GPIO_P9, bitmask, H8300_GPIO_INPUT); - break; - } - - return 0; -} - -void h8300_disable_irq_pin(unsigned int irq) -{ - int bitmask; - if (irq < EXT_IRQ0 || irq > EXT_IRQ5) - return; - - /* disable interrupt & release IRQ pin */ - bitmask = 1 << (irq - EXT_IRQ0); - switch(irq) { - case EXT_IRQ0: - case EXT_IRQ1: - case EXT_IRQ2: - case EXT_IRQ3: - *(volatile unsigned char *)IER &= ~bitmask; - H8300_GPIO_FREE(H8300_GPIO_P8, bitmask); - break ; - case EXT_IRQ4: - case EXT_IRQ5: - *(volatile unsigned char *)IER &= ~bitmask; - H8300_GPIO_FREE(H8300_GPIO_P9, bitmask); - break; - } -} diff --git a/arch/h8300/platform/h8300h/ptrace_h8300h.c b/arch/h8300/platform/h8300h/ptrace_h8300h.c deleted file mode 100644 index 4f1ed0279633..000000000000 --- a/arch/h8300/platform/h8300h/ptrace_h8300h.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/ptrace_h8300h.c - * ptrace cpu depend helper functions - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of - * this archive for more details. - */ - -#include <linux/linkage.h> -#include <linux/sched.h> -#include <asm/ptrace.h> - -#define CCR_MASK 0x6f /* mode/imask not set */ -#define BREAKINST 0x5730 /* trapa #3 */ - -/* Mapping from PT_xxx to the stack offset at which the register is - saved. Notice that usp has no stack-slot and needs to be treated - specially (see get_reg/put_reg below). */ -static const int h8300_register_offset[] = { - PT_REG(er1), PT_REG(er2), PT_REG(er3), PT_REG(er4), - PT_REG(er5), PT_REG(er6), PT_REG(er0), PT_REG(orig_er0), - PT_REG(ccr), PT_REG(pc) -}; - -/* read register */ -long h8300_get_reg(struct task_struct *task, int regno) -{ - switch (regno) { - case PT_USP: - return task->thread.usp + sizeof(long)*2; - case PT_CCR: - return *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]); - default: - return *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]); - } -} - -/* write register */ -int h8300_put_reg(struct task_struct *task, int regno, unsigned long data) -{ - unsigned short oldccr; - switch (regno) { - case PT_USP: - task->thread.usp = data - sizeof(long)*2; - case PT_CCR: - oldccr = *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]); - oldccr &= ~CCR_MASK; - data &= CCR_MASK; - data |= oldccr; - *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]) = data; - break; - default: - *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]) = data; - break; - } - return 0; -} - -/* disable singlestep */ -void user_disable_single_step(struct task_struct *child) -{ - if((long)child->thread.breakinfo.addr != -1L) { - *child->thread.breakinfo.addr = child->thread.breakinfo.inst; - child->thread.breakinfo.addr = (unsigned short *)-1L; - } -} - -/* calculate next pc */ -enum jump_type {none, /* normal instruction */ - jabs, /* absolute address jump */ - ind, /* indirect address jump */ - ret, /* return to subrutine */ - reg, /* register indexed jump */ - relb, /* pc relative jump (byte offset) */ - relw, /* pc relative jump (word offset) */ - }; - -/* opcode decode table define - ptn: opcode pattern - msk: opcode bitmask - len: instruction length (<0 next table index) - jmp: jump operation mode */ -struct optable { - unsigned char bitpattern; - unsigned char bitmask; - signed char length; - signed char type; -} __attribute__((aligned(1),packed)); - -#define OPTABLE(ptn,msk,len,jmp) \ - { \ - .bitpattern = ptn, \ - .bitmask = msk, \ - .length = len, \ - .type = jmp, \ - } - -static const struct optable optable_0[] = { - OPTABLE(0x00,0xff, 1,none), /* 0x00 */ - OPTABLE(0x01,0xff,-1,none), /* 0x01 */ - OPTABLE(0x02,0xfe, 1,none), /* 0x02-0x03 */ - OPTABLE(0x04,0xee, 1,none), /* 0x04-0x05/0x14-0x15 */ - OPTABLE(0x06,0xfe, 1,none), /* 0x06-0x07 */ - OPTABLE(0x08,0xea, 1,none), /* 0x08-0x09/0x0c-0x0d/0x18-0x19/0x1c-0x1d */ - OPTABLE(0x0a,0xee, 1,none), /* 0x0a-0x0b/0x1a-0x1b */ - OPTABLE(0x0e,0xee, 1,none), /* 0x0e-0x0f/0x1e-0x1f */ - OPTABLE(0x10,0xfc, 1,none), /* 0x10-0x13 */ - OPTABLE(0x16,0xfe, 1,none), /* 0x16-0x17 */ - OPTABLE(0x20,0xe0, 1,none), /* 0x20-0x3f */ - OPTABLE(0x40,0xf0, 1,relb), /* 0x40-0x4f */ - OPTABLE(0x50,0xfc, 1,none), /* 0x50-0x53 */ - OPTABLE(0x54,0xfd, 1,ret ), /* 0x54/0x56 */ - OPTABLE(0x55,0xff, 1,relb), /* 0x55 */ - OPTABLE(0x57,0xff, 1,none), /* 0x57 */ - OPTABLE(0x58,0xfb, 2,relw), /* 0x58/0x5c */ - OPTABLE(0x59,0xfb, 1,reg ), /* 0x59/0x5b */ - OPTABLE(0x5a,0xfb, 2,jabs), /* 0x5a/0x5e */ - OPTABLE(0x5b,0xfb, 2,ind ), /* 0x5b/0x5f */ - OPTABLE(0x60,0xe8, 1,none), /* 0x60-0x67/0x70-0x77 */ - OPTABLE(0x68,0xfa, 1,none), /* 0x68-0x69/0x6c-0x6d */ - OPTABLE(0x6a,0xfe,-2,none), /* 0x6a-0x6b */ - OPTABLE(0x6e,0xfe, 2,none), /* 0x6e-0x6f */ - OPTABLE(0x78,0xff, 4,none), /* 0x78 */ - OPTABLE(0x79,0xff, 2,none), /* 0x79 */ - OPTABLE(0x7a,0xff, 3,none), /* 0x7a */ - OPTABLE(0x7b,0xff, 2,none), /* 0x7b */ - OPTABLE(0x7c,0xfc, 2,none), /* 0x7c-0x7f */ - OPTABLE(0x80,0x80, 1,none), /* 0x80-0xff */ -}; - -static const struct optable optable_1[] = { - OPTABLE(0x00,0xff,-3,none), /* 0x0100 */ - OPTABLE(0x40,0xf0,-3,none), /* 0x0140-0x14f */ - OPTABLE(0x80,0xf0, 1,none), /* 0x0180-0x018f */ - OPTABLE(0xc0,0xc0, 2,none), /* 0x01c0-0x01ff */ -}; - -static const struct optable optable_2[] = { - OPTABLE(0x00,0x20, 2,none), /* 0x6a0?/0x6a8?/0x6b0?/0x6b8? */ - OPTABLE(0x20,0x20, 3,none), /* 0x6a2?/0x6aa?/0x6b2?/0x6ba? */ -}; - -static const struct optable optable_3[] = { - OPTABLE(0x69,0xfb, 2,none), /* 0x010069/0x01006d/014069/0x01406d */ - OPTABLE(0x6b,0xff,-4,none), /* 0x01006b/0x01406b */ - OPTABLE(0x6f,0xff, 3,none), /* 0x01006f/0x01406f */ - OPTABLE(0x78,0xff, 5,none), /* 0x010078/0x014078 */ -}; - -static const struct optable optable_4[] = { - OPTABLE(0x00,0x78, 3,none), /* 0x0100690?/0x01006d0?/0140690/0x01406d0?/0x0100698?/0x01006d8?/0140698?/0x01406d8? */ - OPTABLE(0x20,0x78, 4,none), /* 0x0100692?/0x01006d2?/0140692/0x01406d2?/0x010069a?/0x01006da?/014069a?/0x01406da? */ -}; - -static const struct optables_list { - const struct optable *ptr; - int size; -} optables[] = { -#define OPTABLES(no) \ - { \ - .ptr = optable_##no, \ - .size = sizeof(optable_##no) / sizeof(struct optable), \ - } - OPTABLES(0), - OPTABLES(1), - OPTABLES(2), - OPTABLES(3), - OPTABLES(4), - -}; - -const unsigned char condmask[] = { - 0x00,0x40,0x01,0x04,0x02,0x08,0x10,0x20 -}; - -static int isbranch(struct task_struct *task,int reson) -{ - unsigned char cond = h8300_get_reg(task, PT_CCR); - /* encode complex conditions */ - /* B4: N^V - B5: Z|(N^V) - B6: C|Z */ - __asm__("bld #3,%w0\n\t" - "bxor #1,%w0\n\t" - "bst #4,%w0\n\t" - "bor #2,%w0\n\t" - "bst #5,%w0\n\t" - "bld #2,%w0\n\t" - "bor #0,%w0\n\t" - "bst #6,%w0\n\t" - :"=&r"(cond)::"cc"); - cond &= condmask[reson >> 1]; - if (!(reson & 1)) - return cond == 0; - else - return cond != 0; -} - -static unsigned short *getnextpc(struct task_struct *child, unsigned short *pc) -{ - const struct optable *op; - unsigned char *fetch_p; - unsigned char inst; - unsigned long addr; - unsigned long *sp; - int op_len,regno; - op = optables[0].ptr; - op_len = optables[0].size; - fetch_p = (unsigned char *)pc; - inst = *fetch_p++; - do { - if ((inst & op->bitmask) == op->bitpattern) { - if (op->length < 0) { - op = optables[-op->length].ptr; - op_len = optables[-op->length].size + 1; - inst = *fetch_p++; - } else { - switch (op->type) { - case none: - return pc + op->length; - case jabs: - addr = *(unsigned long *)pc; - return (unsigned short *)(addr & 0x00ffffff); - case ind: - addr = *pc & 0xff; - return (unsigned short *)(*(unsigned long *)addr); - case ret: - sp = (unsigned long *)h8300_get_reg(child, PT_USP); - /* user stack frames - | er0 | temporary saved - +--------+ - | exp | exception stack frames - +--------+ - | ret pc | userspace return address - */ - return (unsigned short *)(*(sp+2) & 0x00ffffff); - case reg: - regno = (*pc >> 4) & 0x07; - if (regno == 0) - addr = h8300_get_reg(child, PT_ER0); - else - addr = h8300_get_reg(child, regno-1+PT_ER1); - return (unsigned short *)addr; - case relb: - if (inst == 0x55 || isbranch(child,inst & 0x0f)) - pc = (unsigned short *)((unsigned long)pc + - ((signed char)(*fetch_p))); - return pc+1; /* skip myself */ - case relw: - if (inst == 0x5c || isbranch(child,(*fetch_p & 0xf0) >> 4)) - pc = (unsigned short *)((unsigned long)pc + - ((signed short)(*(pc+1)))); - return pc+2; /* skip myself */ - } - } - } else - op++; - } while(--op_len > 0); - return NULL; -} - -/* Set breakpoint(s) to simulate a single step from the current PC. */ - -void user_enable_single_step(struct task_struct *child) -{ - unsigned short *nextpc; - nextpc = getnextpc(child,(unsigned short *)h8300_get_reg(child, PT_PC)); - child->thread.breakinfo.addr = nextpc; - child->thread.breakinfo.inst = *nextpc; - *nextpc = BREAKINST; -} - -asmlinkage void trace_trap(unsigned long bp) -{ - if ((unsigned long)current->thread.breakinfo.addr == bp) { - user_disable_single_step(current); - force_sig(SIGTRAP,current); - } else - force_sig(SIGILL,current); -} - diff --git a/arch/h8300/platform/h8s/Makefile b/arch/h8300/platform/h8s/Makefile deleted file mode 100644 index bf1241883766..000000000000 --- a/arch/h8300/platform/h8s/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the linux kernel. -# -# Reuse any files we can from the H8S -# - -obj-y := ints_h8s.o ptrace_h8s.o diff --git a/arch/h8300/platform/h8s/edosk2674/Makefile b/arch/h8300/platform/h8s/edosk2674/Makefile deleted file mode 100644 index 8e349723bb4f..000000000000 --- a/arch/h8300/platform/h8s/edosk2674/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -extra-y := crt0_$(MODEL).o diff --git a/arch/h8300/platform/h8s/edosk2674/crt0_ram.S b/arch/h8300/platform/h8s/edosk2674/crt0_ram.S deleted file mode 100644 index 5ed191b37cde..000000000000 --- a/arch/h8300/platform/h8s/edosk2674/crt0_ram.S +++ /dev/null @@ -1,130 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/edosk2674/crt0_ram.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: EDOSK-2674 - * Memory Layout : RAM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> -#include <asm/regs267x.h> - -#if !defined(CONFIG_BLKDEV_RESERVE) -#if defined(CONFIG_GDB_DEBUG) -#define RAMEND (__ramend - 0xc000) -#else -#define RAMEND __ramend -#endif -#else -#define RAMEND CONFIG_BLKDEV_RESERVE_ADDRESS -#endif - - .global __start - .global __command_line - .global __platform_gpio_table - .global __target_name - - .h8300s - - .section .text - .file "crt0_ram.S" - - /* CPU Reset entry */ -__start: - mov.l #RAMEND,sp - ldc #0x80,ccr - ldc #0x00,exr - - /* Peripheral Setup */ - bclr #4,@INTCR:8 /* interrupt mode 2 */ - bset #5,@INTCR:8 - bclr #0,@IER+1:16 - bset #1,@ISCRL+1:16 /* IRQ0 Positive Edge */ - bclr #0,@ISCRL+1:16 - -#if defined(CONFIG_MTD_UCLINUX) - /* move romfs image */ - jsr @__move_romfs -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l er5,er6 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr #2,er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #_command_line,er6 - mov.w #512,r4 - eepmov.w - - /* uClinux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - ;; used,ddr - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x3f,0x3a - ;; dummy - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; P7DDR - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; PADDR - .byte 0xff,0xff - ;; PBDDR - .byte 0xff,0x00 - ;; PCDDR - .byte 0xff,0x00 - ;; PDDDR - .byte 0xff,0x00 - ;; PEDDR - .byte 0xff,0x00 - ;; PFDDR - .byte 0xff,0xff - ;; PGDDR - .byte 0x0f,0x0f - ;; PHDDR - .byte 0x0f,0x0f - -__target_name: - .asciz "EDOSK-2674" - - .section .bootvec,"ax" - jmp @__start diff --git a/arch/h8300/platform/h8s/edosk2674/crt0_rom.S b/arch/h8300/platform/h8s/edosk2674/crt0_rom.S deleted file mode 100644 index 06d1d7f324ca..000000000000 --- a/arch/h8300/platform/h8s/edosk2674/crt0_rom.S +++ /dev/null @@ -1,186 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/edosk2674/crt0_rom.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: EDOSK-2674 - * Memory Layout : ROM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> -#include <asm/regs267x.h> - - .global __start - .global __command_line - .global __platform_gpio_table - .global __target_name - - .h8300s - .section .text - .file "crt0_rom.S" - - /* CPU Reset entry */ -__start: - mov.l #__ramend,sp - ldc #0x80,ccr - ldc #0,exr - - /* Peripheral Setup */ -;BSC/GPIO setup - mov.l #init_regs,er0 - mov.w #0xffff,e2 -1: - mov.w @er0+,r2 - beq 2f - mov.w @er0+,r1 - mov.b r1l,@er2 - bra 1b - -2: -;SDRAM setup -#define SDRAM_SMR 0x400040 - - mov.b #0,r0l - mov.b r0l,@DRACCR:16 - mov.w #0x188,r0 - mov.w r0,@REFCR:16 - mov.w #0x85b4,r0 - mov.w r0,@DRAMCR:16 - mov.b #0,r1l - mov.b r1l,@SDRAM_SMR - mov.w #0x84b4,r0 - mov.w r0,@DRAMCR:16 -;special thanks to Arizona Cooperative Power - - /* copy .data */ - mov.l #__begin_data,er5 - mov.l #__sdata,er6 - mov.l #__edata,er4 - sub.l er6,er4 - shlr.l #2,er4 -1: - mov.l @er5+,er0 - mov.l er0,@er6 - adds #4,er6 - dec.l #1,er4 - bne 1b - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr.l #2,er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #__command_line,er6 - mov.w #512,r4 - eepmov.w - - /* linux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -#define INIT_REGS_DATA(REGS,DATA) \ - .word ((REGS) & 0xffff),DATA - -init_regs: -INIT_REGS_DATA(ASTCR,0xff) -INIT_REGS_DATA(RDNCR,0x00) -INIT_REGS_DATA(ABWCR,0x80) -INIT_REGS_DATA(WTCRAH,0x27) -INIT_REGS_DATA(WTCRAL,0x77) -INIT_REGS_DATA(WTCRBH,0x71) -INIT_REGS_DATA(WTCRBL,0x22) -INIT_REGS_DATA(CSACRH,0x80) -INIT_REGS_DATA(CSACRL,0x80) -INIT_REGS_DATA(BROMCRH,0xa0) -INIT_REGS_DATA(BROMCRL,0xa0) -INIT_REGS_DATA(P3DDR,0x3a) -INIT_REGS_DATA(P3ODR,0x06) -INIT_REGS_DATA(PADDR,0xff) -INIT_REGS_DATA(PFDDR,0xfe) -INIT_REGS_DATA(PGDDR,0x0f) -INIT_REGS_DATA(PHDDR,0x0f) -INIT_REGS_DATA(PFCR0,0xff) -INIT_REGS_DATA(PFCR2,0x0d) -INIT_REGS_DATA(ITSR, 0x00) -INIT_REGS_DATA(ITSR+1,0x3f) -INIT_REGS_DATA(INTCR,0x20) - - .word 0 - -gpio_table: - ;; P1DDR - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; P7DDR - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x00,0x00 - ;; PCDDR - .byte 0x00,0x00 - ;; PDDDR - .byte 0x00,0x00 - ;; PEDDR - .byte 0x00,0x00 - ;; PFDDR - .byte 0x00,0x00 - ;; PGDDR - .byte 0x00,0x00 - ;; PHDDR - .byte 0x00,0x00 - - .section .rodata -__target_name: - .asciz "EDOSK-2674" - - .section .bss -__command_line: - .space 512 - - /* interrupt vector */ - .section .vectors,"ax" - .long __start - .long __start -vector = 2 - .rept 126 - .long _interrupt_redirect_table+vector*4 -vector = vector + 1 - .endr diff --git a/arch/h8300/platform/h8s/generic/Makefile b/arch/h8300/platform/h8s/generic/Makefile deleted file mode 100644 index 44b4685c664c..000000000000 --- a/arch/h8300/platform/h8s/generic/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# -# Makefile for the linux kernel. -# - -extra-y = crt0_$(MODEL).o diff --git a/arch/h8300/platform/h8s/generic/crt0_ram.S b/arch/h8300/platform/h8s/generic/crt0_ram.S deleted file mode 100644 index 7018915de74f..000000000000 --- a/arch/h8300/platform/h8s/generic/crt0_ram.S +++ /dev/null @@ -1,127 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/edosk2674/crt0_ram.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: generic - * Memory Layout : RAM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> -#include <asm/regs267x.h> - -#if !defined(CONFIG_BLKDEV_RESERVE) -#if defined(CONFIG_GDB_DEBUG) -#define RAMEND (__ramend - 0xc000) -#else -#define RAMEND __ramend -#endif -#else -#define RAMEND CONFIG_BLKDEV_RESERVE_ADDRESS -#endif - - .global __start - .global __command_line - .global __platform_gpio_table - .global __target_name - - .h8300s - - .section .text - .file "crt0_ram.S" - - /* CPU Reset entry */ -__start: - mov.l #RAMEND,sp - ldc #0x80,ccr - ldc #0x00,exr - - /* Peripheral Setup */ - bclr #4,@INTCR:8 /* interrupt mode 2 */ - bset #5,@INTCR:8 - -#if defined(CONFIG_MTD_UCLINUX) - /* move romfs image */ - jsr @__move_romfs -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l er5,er6 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr #2,er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* copy kernel commandline */ - mov.l #COMMAND_START,er5 - mov.l #_command_line,er6 - mov.w #512,r4 - eepmov.w - - /* uClinux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - ;; used,ddr - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; P7DDR - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x00,0x00 - ;; PCDDR - .byte 0x00,0x00 - ;; PDDDR - .byte 0x00,0x00 - ;; PEDDR - .byte 0x00,0x00 - ;; PFDDR - .byte 0x00,0x00 - ;; PGDDR - .byte 0x00,0x00 - ;; PHDDR - .byte 0x00,0x00 - -__target_name: - .asciz "generic" - - .section .bootvec,"ax" - jmp @__start diff --git a/arch/h8300/platform/h8s/generic/crt0_rom.S b/arch/h8300/platform/h8s/generic/crt0_rom.S deleted file mode 100644 index 623ba7828193..000000000000 --- a/arch/h8300/platform/h8s/generic/crt0_rom.S +++ /dev/null @@ -1,128 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/generic/crt0_rom.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Platform depend startup - * Target Archtecture: generic - * Memory Layout : ROM - */ - -#define ASSEMBLY - -#include <asm/linkage.h> -#include <asm/regs267x.h> - - .global __start - .global __command_line - .global __platform_gpio_table - .global __target_name - - .h8300s - .section .text - .file "crt0_rom.S" - - /* CPU Reset entry */ -__start: - mov.l #__ramend,sp - ldc #0x80,ccr - ldc #0,exr - bclr #4,@INTCR:8 - bset #5,@INTCR:8 /* Interrupt mode 2 */ - - /* Peripheral Setup */ - - /* copy .data */ -#if !defined(CONFIG_H8S_SIM) - mov.l #__begin_data,er5 - mov.l #__sdata,er6 - mov.l #__edata,er4 - sub.l er6,er4 - shlr.l #2,er4 -1: - mov.l @er5+,er0 - mov.l er0,@er6 - adds #4,er6 - dec.l #1,er4 - bne 1b -#endif - - /* .bss clear */ - mov.l #__sbss,er5 - mov.l #__ebss,er4 - sub.l er5,er4 - shlr.l #2,er4 - sub.l er0,er0 -1: - mov.l er0,@er5 - adds #4,er5 - dec.l #1,er4 - bne 1b - - /* linux kernel start */ - ldc #0x90,ccr /* running kernel */ - mov.l #_init_thread_union,sp - add.l #0x2000,sp - jsr @_start_kernel -_exit: - - jmp _exit - - rts - - /* I/O port assign information */ -__platform_gpio_table: - mov.l #gpio_table,er0 - rts - -gpio_table: - ;; P1DDR - .byte 0x00,0x00 - ;; P2DDR - .byte 0x00,0x00 - ;; P3DDR - .byte 0x00,0x00 - ;; P4DDR - .byte 0x00,0x00 - ;; P5DDR - .byte 0x00,0x00 - ;; P6DDR - .byte 0x00,0x00 - ;; dummy - .byte 0x00,0x00 - ;; P8DDR - .byte 0x00,0x00 - ;; PADDR - .byte 0x00,0x00 - ;; PBDDR - .byte 0x00,0x00 - ;; PCDDR - .byte 0x00,0x00 - ;; PDDDR - .byte 0x00,0x00 - ;; PEDDR - .byte 0x00,0x00 - ;; PFDDR - .byte 0x00,0x00 - ;; PGDDR - .byte 0x00,0x00 - ;; PHDDR - .byte 0x00,0x00 - - .section .rodata -__target_name: - .asciz "generic" - - .section .bss -__command_line: - .space 512 - - /* interrupt vector */ - .section .vectors,"ax" - .long __start - .long __start -vector = 2 - .rept 126-1 - .long _interrupt_redirect_table+vector*4 -vector = vector + 1 - .endr diff --git a/arch/h8300/platform/h8s/irq.c b/arch/h8300/platform/h8s/irq.c deleted file mode 100644 index f3a5511c16b1..000000000000 --- a/arch/h8300/platform/h8s/irq.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/ints_h8s.c - * Interrupt handling CPU variants - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - */ - -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel.h> - -#include <asm/ptrace.h> -#include <asm/traps.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/gpio-internal.h> -#include <asm/regs267x.h> - -/* saved vector list */ -const int __initconst h8300_saved_vectors[] = { -#if defined(CONFIG_GDB_DEBUG) - TRACE_VEC, - TRAP3_VEC, -#endif - -1 -}; - -/* trap entry table */ -const H8300_VECTOR __initconst h8300_trap_table[] = { - 0,0,0,0,0, - trace_break, /* TRACE */ - 0,0, - system_call, /* TRAPA #0 */ - 0,0,0,0,0,0,0 -}; - -/* IRQ pin assignment */ -struct irq_pins { - unsigned char port_no; - unsigned char bit_no; -} __attribute__((aligned(1),packed)); -/* ISTR = 0 */ -static const struct irq_pins irq_assign_table0[16]={ - {H8300_GPIO_P5,H8300_GPIO_B0},{H8300_GPIO_P5,H8300_GPIO_B1}, - {H8300_GPIO_P5,H8300_GPIO_B2},{H8300_GPIO_P5,H8300_GPIO_B3}, - {H8300_GPIO_P5,H8300_GPIO_B4},{H8300_GPIO_P5,H8300_GPIO_B5}, - {H8300_GPIO_P5,H8300_GPIO_B6},{H8300_GPIO_P5,H8300_GPIO_B7}, - {H8300_GPIO_P6,H8300_GPIO_B0},{H8300_GPIO_P6,H8300_GPIO_B1}, - {H8300_GPIO_P6,H8300_GPIO_B2},{H8300_GPIO_P6,H8300_GPIO_B3}, - {H8300_GPIO_P6,H8300_GPIO_B4},{H8300_GPIO_P6,H8300_GPIO_B5}, - {H8300_GPIO_PF,H8300_GPIO_B1},{H8300_GPIO_PF,H8300_GPIO_B2}, -}; -/* ISTR = 1 */ -static const struct irq_pins irq_assign_table1[16]={ - {H8300_GPIO_P8,H8300_GPIO_B0},{H8300_GPIO_P8,H8300_GPIO_B1}, - {H8300_GPIO_P8,H8300_GPIO_B2},{H8300_GPIO_P8,H8300_GPIO_B3}, - {H8300_GPIO_P8,H8300_GPIO_B4},{H8300_GPIO_P8,H8300_GPIO_B5}, - {H8300_GPIO_PH,H8300_GPIO_B2},{H8300_GPIO_PH,H8300_GPIO_B3}, - {H8300_GPIO_P2,H8300_GPIO_B0},{H8300_GPIO_P2,H8300_GPIO_B1}, - {H8300_GPIO_P2,H8300_GPIO_B2},{H8300_GPIO_P2,H8300_GPIO_B3}, - {H8300_GPIO_P2,H8300_GPIO_B4},{H8300_GPIO_P2,H8300_GPIO_B5}, - {H8300_GPIO_P2,H8300_GPIO_B6},{H8300_GPIO_P2,H8300_GPIO_B7}, -}; - -/* IRQ to GPIO pin translation */ -#define IRQ_GPIO_MAP(irqbit,irq,port,bit) \ -do { \ - if (*(volatile unsigned short *)ITSR & irqbit) { \ - port = irq_assign_table1[irq - EXT_IRQ0].port_no; \ - bit = irq_assign_table1[irq - EXT_IRQ0].bit_no; \ - } else { \ - port = irq_assign_table0[irq - EXT_IRQ0].port_no; \ - bit = irq_assign_table0[irq - EXT_IRQ0].bit_no; \ - } \ -} while(0) - -int h8300_enable_irq_pin(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15) { - unsigned short ptn = 1 << (irq - EXT_IRQ0); - unsigned int port_no,bit_no; - IRQ_GPIO_MAP(ptn, irq, port_no, bit_no); - if (H8300_GPIO_RESERVE(port_no, bit_no) == 0) - return -EBUSY; /* pin already use */ - H8300_GPIO_DDR(port_no, bit_no, H8300_GPIO_INPUT); - *(volatile unsigned short *)ISR &= ~ptn; /* ISR clear */ - } - - return 0; -} - -void h8300_disable_irq_pin(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15) { - /* disable interrupt & release IRQ pin */ - unsigned short ptn = 1 << (irq - EXT_IRQ0); - unsigned short port_no,bit_no; - *(volatile unsigned short *)ISR &= ~ptn; - *(volatile unsigned short *)IER &= ~ptn; - IRQ_GPIO_MAP(ptn, irq, port_no, bit_no); - H8300_GPIO_FREE(port_no, bit_no); - } -} diff --git a/arch/h8300/platform/h8s/ptrace_h8s.c b/arch/h8300/platform/h8s/ptrace_h8s.c deleted file mode 100644 index c058ab1a8495..000000000000 --- a/arch/h8300/platform/h8s/ptrace_h8s.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/ptrace_h8s.c - * ptrace cpu depend helper functions - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of - * this archive for more details. - */ - -#include <linux/linkage.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <asm/ptrace.h> - -#define CCR_MASK 0x6f -#define EXR_TRACE 0x80 - -/* Mapping from PT_xxx to the stack offset at which the register is - saved. Notice that usp has no stack-slot and needs to be treated - specially (see get_reg/put_reg below). */ -static const int h8300_register_offset[] = { - PT_REG(er1), PT_REG(er2), PT_REG(er3), PT_REG(er4), - PT_REG(er5), PT_REG(er6), PT_REG(er0), PT_REG(orig_er0), - PT_REG(ccr), PT_REG(pc), 0, PT_REG(exr) -}; - -/* read register */ -long h8300_get_reg(struct task_struct *task, int regno) -{ - switch (regno) { - case PT_USP: - return task->thread.usp + sizeof(long)*2 + 2; - case PT_CCR: - case PT_EXR: - return *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]); - default: - return *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]); - } -} - -/* write register */ -int h8300_put_reg(struct task_struct *task, int regno, unsigned long data) -{ - unsigned short oldccr; - switch (regno) { - case PT_USP: - task->thread.usp = data - sizeof(long)*2 - 2; - case PT_CCR: - oldccr = *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]); - oldccr &= ~CCR_MASK; - data &= CCR_MASK; - data |= oldccr; - *(unsigned short *)(task->thread.esp0 + h8300_register_offset[regno]) = data; - break; - case PT_EXR: - /* exr modify not support */ - return -EIO; - default: - *(unsigned long *)(task->thread.esp0 + h8300_register_offset[regno]) = data; - break; - } - return 0; -} - -/* disable singlestep */ -void user_disable_single_step(struct task_struct *child) -{ - *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) &= ~EXR_TRACE; -} - -/* enable singlestep */ -void user_enable_single_step(struct task_struct *child) -{ - *(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) |= EXR_TRACE; -} - -asmlinkage void trace_trap(unsigned long bp) -{ - (void)bp; - force_sig(SIGTRAP,current); -} - |