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Subject[PATCH] linux-2.6.0-test2 h8300 archtecure support update (3/6)
H8S architecture support

--
Yoshinori Sato
<ysato@users.sourceforge.jp>

diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8s/Makefile 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/Makefile 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,22 @@
+#
+# Makefile for the linux kernel.
+#
+# Reuse any files we can from the H8S
+#
+
+#VPATH := $(VPATH):$(BOARD)
+
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+.S.o:
+ $(CC) -D__ASSEMBLY__ $(AFLAGS) -I. -c $< -o $*.o
+
+obj-y := entry.o ints.o
+
+$(BOARD)/crt0_$(MODEL).o: $(BOARD)/crt0_$(MODEL).S
+
+entry.o: entry.S
+
+ints.o: ints.c
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/Makefile 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/Makefile 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,15 @@
+#
+# Makefile for the linux kernel.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+
+extra-y := crt0_ram.o
+obj-y := timer.o
+
+timer.o: timer.c
+
+clean:
+ rm -f *.[oa]
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/crt0_ram.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/crt0_ram.S
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/crt0_ram.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/crt0_ram.S 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,130 @@
+/*
+ * 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 <linux/config.h>
+#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 SYMBOL_NAME(_start)
+ .global SYMBOL_NAME(_command_line)
+ .global SYMBOL_NAME(_platform_gpio_table)
+ .global SYMBOL_NAME(_target_name)
+
+ .h8300s
+
+ .section .text
+ .file "crt0_ram.S"
+
+ /* CPU Reset entry */
+SYMBOL_NAME_LABEL(_start)
+ mov.l #RAMEND,sp
+ ldc #0x07,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_BLK_DEV_BLKMEM)
+ /* 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 #SYMBOL_NAME(command_line),er6
+ mov.w #512,r4
+ eepmov.w
+
+ /* uClinux kernel start */
+ ldc #0x10,ccr /* running kernel */
+ mov.l #SYMBOL_NAME(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 @SYMBOL_NAME(_start)
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/crt0_rom.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/crt0_rom.S
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/crt0_rom.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/crt0_rom.S 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,186 @@
+/*
+ * 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 <linux/config.h>
+#include <asm/linkage.h>
+#include <asm/regs267x.h>
+
+ .global SYMBOL_NAME(_start)
+ .global SYMBOL_NAME(_command_line)
+ .global SYMBOL_NAME(_platform_gpio_table)
+ .global SYMBOL_NAME(_target_name)
+
+ .h8300s
+ .section .text
+ .file "crt0_rom.S"
+
+ /* CPU Reset entry */
+SYMBOL_NAME_LABEL(_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 #SYMBOL_NAME(_command_line),er6
+ mov.w #512,r4
+ eepmov.w
+
+ /* linux kernel start */
+ ldc #0x90,ccr /* running kernel */
+ mov.l #SYMBOL_NAME(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
+
+__target_name:
+ .asciz "EDOSK-2674"
+
+ .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 -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/ram.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/ram.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/ram.ld 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/ram.ld 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,10 @@
+/* EDOSK-2674R RAM */
+
+OUTPUT_ARCH(h8300s)
+ENTRY("__start")
+
+MEMORY
+ {
+ ram : ORIGIN = 0x400000, LENGTH = 0xc00000-0x400000
+ eram : ORIGIN = 0xc00000, LENGTH = 0
+ }
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/rom.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/rom.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/rom.ld 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/rom.ld 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,11 @@
+OUTPUT_ARCH(h8300s)
+ENTRY("__start")
+
+MEMORY
+ {
+ vector : ORIGIN = 0x000000, LENGTH = 0x000200
+ rom : ORIGIN = 0x000200, LENGTH = 0x100000-0x000200
+ erom : ORIGIN = 0x100000, LENGTH = 0
+ ram : ORIGIN = 0x400000, LENGTH = 0xc00000-0x400000
+ eram : ORIGIN = 0xc00000, LENGTH = 0
+ }
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/timer.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/timer.c
--- linux-2.6.0-test2/arch/h8300/platform/h8s/edosk2674/timer.c 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/edosk2674/timer.c 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,56 @@
+/*
+ * linux/arch/h8300/platform/h8s/generic/timer.c
+ *
+ * Yoshinori Sato <ysato@users.sourceforge.jp>
+ *
+ * Platform depend Timer Handler
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/timex.h>
+
+#include <asm/segment.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/regs267x.h>
+
+#define REGS(regs) __REGS(regs)
+#define __REGS(regs) #regs
+
+extern int request_irq_boot(unsigned int,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long, const char *, void *);
+
+int __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
+{
+ unsigned char mstpcrl;
+ mstpcrl = inb(MSTPCRL); /* Enable timer */
+ mstpcrl &= ~0x01;
+ outb(mstpcrl,MSTPCRL);
+ outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
+ outb(0x00,_8TCSR1);
+ request_irq_boot(76,timer_int,0,"timer",0);
+ outb(0x40|0x08|0x03,_8TCR1);
+ return 0;
+}
+
+void platform_timer_eoi(void)
+{
+ __asm__("bclr #6,@" REGS(_8TCSR1) ":8");
+}
+
+void platform_gettod(int *year, int *mon, int *day, int *hour,
+ int *min, int *sec)
+{
+/* FIXME! not RTC support */
+ *year = *mon = *day = *hour = *min = *sec = 0;
+}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/entry.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/entry.S
--- linux-2.6.0-test2/arch/h8300/platform/h8s/entry.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/entry.S 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,335 @@
+/* -*- mode: asm -*-
+ *
+ * linux/arch/h8300/platform/h8s/entry.S
+ *
+ * Yoshinori Sato <ysato@users.sourceforge.jp>
+ *
+ * fairly heavy changes to fix syscall args and signal processing
+ * by David McCullough <davidm@snapgear.com>
+ */
+
+/*
+ * entry.S
+ * include exception/interrupt gateway
+ * system call entry
+ */
+
+#include <linux/sys.h>
+#include <linux/config.h>
+#include <asm/unistd.h>
+#include <asm/setup.h>
+#include <asm/segment.h>
+#include <asm/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread_info.h>
+
+ENOSYS = 38
+
+LSIGTRAP = 5
+
+SOFTIRQ_PENDING = 0
+
+/* the following macro is used when enabling interrupts */
+
+LER4 = 0
+LER5 = 4
+LER6 = 8
+LER3 = 12
+LER2 = 16
+LER1 = 20
+LORIG = 24
+LCCR = 28
+LER0 = 30
+LVEC = 34
+LEXR = 38
+LRET = 40
+
+ .h8300s
+
+/* CPU context save/restore macros. */
+
+ .macro SAVE_ALL
+ mov.l er0,@-sp
+
+ stc ccr,r0l /* check kernel mode */
+ orc #0x10,ccr
+ btst #4,r0l
+ bne 5f
+
+ mov.l sp,@SYMBOL_NAME(sw_usp) /* user mode */
+ mov.l @sp,er0
+ mov.l @SYMBOL_NAME(sw_ksp),sp
+ sub.l #(LRET-LORIG),sp /* allocate LORIG - LRET */
+ stm.l er0-er3,@-sp
+ mov.l @SYMBOL_NAME(sw_usp),er0
+ mov.l @(10:16,er0),er1 /* copy the RET addr */
+ mov.l er1,@(LRET-LER3:16,sp)
+ mov.w @(8:16,er0),r1
+ mov.w r1,@(LEXR-LER3:16,sp) /* copy EXR */
+
+ mov.w e1,r1 /* e1 highbyte = ccr */
+ and #0xef,r1h /* mask mode? flag */
+ sub.w r0,r0
+ mov.b r1h,r0l
+ mov.w r0,@(LCCR-LER3:16,sp) /* copy ccr */
+ mov.l @(LORIG-LER3:16,sp),er0
+ mov.l er0,@(LER0-LER3:16,sp) /* copy ER0 */
+ bra 6f
+5:
+ mov.l @sp,er0 /* kernel mode */
+ subs #2,sp /* dummy ccr */
+ stm.l er0-er3,@-sp
+ mov.w @(LRET-LER3:16,sp),r1 /* copy old ccr */
+ mov.b r1h,r1l
+ mov.b #0,r1h
+ mov.w r1,@(LCCR-LER3:16,sp)
+6:
+ mov.l er6,@-sp /* syscall arg #6 */
+ mov.l er5,@-sp /* syscall arg #5 */
+ mov.l er4,@-sp /* syscall arg #4 */
+ .endm
+
+ .macro RESTORE_ALL
+ mov.l @sp+,er4
+ mov.l @sp+,er5
+ mov.l @sp+,er6
+ ldm.l @sp+,er2-er3
+ mov.w @(LCCR-LER1:16,sp),r0 /* check kernel mode */
+ btst #4,r0l
+ bne 7f
+
+ orc #0x80,ccr
+ mov.l @SYMBOL_NAME(sw_usp),er0
+ mov.l @(LER0-LER1:16,sp),er1 /* restore ER0 */
+ mov.l er1,@er0
+ mov.w @(LEXR-LER1:16,sp),r1 /* restore EXR */
+ mov.w r1,@(8:16,er0)
+ mov.w @(LCCR-LER1:16,sp),r1 /* restore the RET addr */
+ mov.b r1l,r1h
+ mov.b @(LRET+1-LER1:16,sp),r1l
+ mov.w r1,e1
+ mov.w @(LRET+2-LER1:16,sp),r1
+ mov.l er1,@(10:16,er0)
+
+ mov.l @sp+,er1
+ add.l #(LRET-LORIG),sp /* remove LORIG - LRET */
+ mov.l sp,@SYMBOL_NAME(sw_ksp)
+ mov.l er0,sp
+ bra 8f
+7:
+ mov.l @sp+,er1
+ adds #4,sp
+ adds #2,sp
+8:
+ mov.l @sp+,er0
+ adds #4,sp /* remove the sw created LVEC */
+ rte
+ .endm
+
+.globl SYMBOL_NAME(system_call)
+.globl SYMBOL_NAME(ret_from_exception)
+.globl SYMBOL_NAME(ret_from_fork)
+.globl SYMBOL_NAME(ret_from_signal)
+.globl SYMBOL_NAME(ret_from_interrupt)
+.globl SYMBOL_NAME(interrupt_redirect_table)
+.globl SYMBOL_NAME(sw_ksp),SYMBOL_NAME(sw_usp)
+.globl SYMBOL_NAME(resume)
+.globl SYMBOL_NAME(syscall_trampoline)
+.globl SYMBOL_NAME(trace_break)
+.globl SYMBOL_NAME(interrupt_entry)
+
+INTERRUPTS = 128
+#if defined(CONFIG_ROMKERNEL)
+ .section .int_redirect,"ax"
+SYMBOL_NAME_LABEL(interrupt_redirect_table)
+ .rept 7
+ .long 0
+ .endr
+ jsr @SYMBOL_NAME(interrupt_entry) /* NMI */
+ jmp @SYMBOL_NAME(system_call) /* TRAPA #0 (System call) */
+ .long 0
+ .long 0
+ jmp @SYMBOL_NAME(trace_break) /* TRAPA #3 (breakpoint) */
+ .rept INTERRUPTS-12
+ jsr @SYMBOL_NAME(interrupt_entry)
+ .endr
+#endif
+#if defined(CONFIG_RAMKERNEL)
+.globl SYMBOL_NAME(interrupt_redirect_table)
+ .section .bss
+SYMBOL_NAME_LABEL(interrupt_redirect_table)
+ .space 4
+#endif
+
+ .section .text
+ .align 2
+SYMBOL_NAME_LABEL(interrupt_entry)
+ SAVE_ALL
+ mov.w @(LCCR,sp),r0
+ btst #4,r0l
+ bne 1f
+ mov.l @SYMBOL_NAME(sw_usp),er0
+ mov.l @(4:16,er0),er0
+ bra 2f
+1:
+ mov.l @(LVEC:16,sp),er0
+2:
+#if defined(CONFIG_ROMKERNEL)
+ sub.l #SYMBOL_NAME(interrupt_redirect_table),er0
+#endif
+#if defined(CONFIG_RAMKERNEL)
+ mov.l @SYMBOL_NAME(interrupt_redirect_table),er1
+ sub.l er1,er0
+#endif
+ shlr.l #2,er0
+ dec.l #1,er0
+ mov.l sp,er1
+ subs #4,er1 /* adjust ret_pc */
+ jsr @SYMBOL_NAME(process_int)
+ mov.l @SYMBOL_NAME(irq_stat)+SOFTIRQ_PENDING,er0
+ beq 1f
+ jsr @SYMBOL_NAME(do_softirq)
+1:
+ jmp @SYMBOL_NAME(ret_from_exception)
+
+SYMBOL_NAME_LABEL(system_call)
+ subs #4,sp /* dummy LVEC */
+ SAVE_ALL
+ mov.w @(LCCR:16,sp),r1
+ bset #4,r1l
+ ldc r1l,ccr /* restore ccr */
+ mov.l er0,er4
+ mov.l #-ENOSYS,er0
+ mov.l er0,@(LER0:16,sp)
+
+ /* save top of frame */
+ mov.l sp,er0
+ jsr @SYMBOL_NAME(set_esp0)
+ cmp.l #NR_syscalls,er4
+ bcc SYMBOL_NAME(ret_from_exception):16
+ shll.l #2,er4
+ mov.l #SYMBOL_NAME(sys_call_table),er0
+ add.l er4,er0
+ mov.l @er0,er0
+ mov.l er0,er4
+ beq SYMBOL_NAME(ret_from_exception):16
+ mov.l sp,er2
+ and.w #0xe000,r2
+ mov.b @((TASK_FLAGS+3-(TIF_SYSCALL_TRACE >> 3)):16,er2),r2l
+ btst #(TIF_SYSCALL_TRACE & 7),r2l
+ mov.l @(LER1:16,sp),er0
+ mov.l @(LER2:16,sp),er1
+ mov.l @(LER3:16,sp),er2
+ jsr @er4
+ mov.l er0,@(LER0,sp) /* save the return value */
+#if defined(CONFIG_SYSCALL_PRINT)
+ jsr @SYMBOL_NAME(syscall_print)
+#endif
+ jmp @SYMBOL_NAME(ret_from_exception)
+1:
+ jsr SYMBOL_NAME(syscall_trace)
+ mov.l @(LER1:16,sp),er0
+ mov.l @(LER2:16,sp),er1
+ mov.l @(LER3:16,sp),er2
+ jsr @er4
+ mov.l er0,@(LER0:16,sp) /* save the return value */
+ jsr SYMBOL_NAME(syscall_trace)
+
+SYMBOL_NAME_LABEL(ret_from_signal)
+
+SYMBOL_NAME_LABEL(ret_from_exception)
+ mov.b @(LCCR+1:16,sp),r0l
+ btst #4,r0l /* check if returning to kernel */
+ bne 3f /* if so, skip resched, signals */
+ andc #0x7f,ccr
+ mov.l sp,er2
+ and.w #0xe000,r2
+ mov.l @(TI_FLAGS:16,er2),er1
+ and.l #_TIF_WORK_MASK,er1
+ beq 3f
+1:
+ mov.l @(TI_FLAGS:16,er2),er1
+ btst #TIF_NEED_RESCHED,r1l
+ bne @SYMBOL_NAME(reschedule):16
+ mov.l sp,er1
+ mov.l er2,er0
+ jsr @SYMBOL_NAME(do_signal)
+3:
+ RESTORE_ALL /* Does RTE */
+
+SYMBOL_NAME_LABEL(reschedule)
+ /* save top of frame */
+ mov.l sp,er0
+ jsr @SYMBOL_NAME(set_esp0)
+
+ mov.l #SYMBOL_NAME(ret_from_exception),er0
+ mov.l er0,@-sp
+ jmp @SYMBOL_NAME(schedule)
+
+SYMBOL_NAME_LABEL(ret_from_fork)
+ mov.l er2,er0
+ jsr @SYMBOL_NAME(schedule_tail)
+ jmp @SYMBOL_NAME_LABEL(ret_from_exception)
+
+
+SYMBOL_NAME_LABEL(resume)
+ /*
+ * er0 = prev
+ * er1 = next
+ * return last in er2
+ */
+
+ /* save sr */
+ sub.w r3,r3
+ stc ccr,r3l
+ stc exr,r3h
+ mov.w r3,@(THREAD_CCR+2:16,er0)
+
+ /* disable interrupts */
+ orc #0x80,ccr
+ mov.l @SYMBOL_NAME(sw_usp),er3
+ mov.l er3,@(THREAD_USP:16,er0)
+ mov.l sp,@(THREAD_KSP:16,er0)
+
+ /* Skip address space switching if they are the same. */
+ /* FIXME: what did we hack out of here, this does nothing! */
+
+ mov.l @(THREAD_USP:16,er1),er0
+ mov.l er0,@SYMBOL_NAME(sw_usp)
+ mov.l @(THREAD_KSP:16,er1),sp
+
+ /* restore status register */
+ mov.w @(THREAD_CCR+2:16,er1),r3
+
+ ldc r3l,ccr
+ ldc r3h,exr
+
+ rts
+
+SYMBOL_NAME_LABEL(trace_break)
+ subs #4,sp /* dummy LVEC */
+ SAVE_ALL
+ sub.l er1,er1
+ dec.l #1,er1
+ mov.l er1,@(LORIG,sp)
+ mov.l sp,er0
+ jsr @SYMBOL_NAME(set_esp0)
+ mov.l @SYMBOL_NAME(sw_usp),er0
+ mov.l @er0,er1
+ subs #2,er1
+ mov.l er1,@er0
+ and.w #0xff,e1
+ mov.l er1,er0
+ jsr @SYMBOL_NAME(trace_trap)
+ jmp @SYMBOL_NAME(ret_from_exception)
+
+SYMBOL_NAME_LABEL(syscall_trampoline)
+ mov.l er0,er6
+ mov.l sp,er0
+ jmp @er6
+
+ .section .bss
+SYMBOL_NAME_LABEL(sw_ksp)
+ .space 4
+SYMBOL_NAME_LABEL(sw_usp)
+ .space 4
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/Makefile 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/Makefile 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,15 @@
+#
+# Makefile for the linux kernel.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+
+extra-y = crt0_$(MODEL).o
+obj-y := timer.o
+
+timer.o: timer.c
+
+clean:
+ rm -f *.[oa]
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/crt0_ram.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/crt0_ram.S
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/crt0_ram.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/crt0_ram.S 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,127 @@
+/*
+ * 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 <linux/config.h>
+#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 SYMBOL_NAME(_start)
+ .global SYMBOL_NAME(_command_line)
+ .global SYMBOL_NAME(_platform_gpio_table)
+ .global SYMBOL_NAME(_target_name)
+
+ .h8300s
+
+ .section .text
+ .file "crt0_ram.S"
+
+ /* CPU Reset entry */
+SYMBOL_NAME_LABEL(_start)
+ mov.l #RAMEND,sp
+ ldc #0x07,exr
+
+ /* Peripheral Setup */
+ bclr #4,@INTCR:8 /* interrupt mode 2 */
+ bset #5,@INTCR:8
+
+#if defined(CONFIG_BLK_DEV_BLKMEM)
+ /* 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 #SYMBOL_NAME(command_line),er6
+ mov.w #512,r4
+ eepmov.w
+
+ /* uClinux kernel start */
+ ldc #0x10,ccr /* running kernel */
+ mov.l #SYMBOL_NAME(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 @SYMBOL_NAME(_start)
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/crt0_rom.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/crt0_rom.S
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/crt0_rom.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/crt0_rom.S 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,132 @@
+/*
+ * 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 <linux/config.h>
+#include <asm/linkage.h>
+#include <asm/regs267x.h>
+
+ .global SYMBOL_NAME(_start)
+ .global SYMBOL_NAME(_command_line)
+ .global SYMBOL_NAME(_platform_gpio_table)
+ .global SYMBOL_NAME(_target_name)
+
+ .h8300s
+ .section .text
+ .file "crt0_rom.S"
+
+ /* CPU Reset entry */
+SYMBOL_NAME_LABEL(_start)
+ mov.l #__ramend,sp
+ ldc #0x80,ccr
+ ldc #0,exr
+ bclr #4,@INTCR:8
+ bset #5,@INTCR:8 /* Interrupt mode 2 */
+
+ /* Peripheral Setup */
+
+ /* .bss clear */
+ mov.l #__sbss,er5
+ mov.l er5,er6
+ inc.l #1,er6
+ mov.l #__ebss,er4
+ sub.l er5,er4
+ sub.w r0,r0
+ mov.b r0l,@er5
+1:
+ eepmov.w
+ dec.w #1,e4
+ bpl 1b
+
+ /* copy .data */
+#if !defined(CONFIG_H8S_SIM)
+ mov.l #__begin_data,er5
+ mov.l #__sdata,er6
+ mov.l #__edata,er4
+ sub.l er6,er4
+1:
+ eepmov.w
+ dec.w #1,e4
+ bpl 1b
+#endif
+
+ /* copy kernel commandline */
+ mov.l #COMMAND_START,er5
+ mov.l #SYMBOL_NAME(_command_line),er6
+ mov.w #512,r4
+ eepmov.w
+
+ /* linux kernel start */
+ ldc #0x90,ccr /* running kernel */
+ mov.l #SYMBOL_NAME(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
+
+__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 -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/ram.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/ram.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/ram.ld 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/ram.ld 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,8 @@
+OUTPUT_ARCH(h8300s)
+ENTRY("__start")
+
+MEMORY
+ {
+ ram : ORIGIN = 0x400000, LENGTH = 0x200000
+ eram : ORIGIN = 0x600000, LENGTH = 0
+ }
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/rom.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/rom.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/rom.ld 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/rom.ld 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,11 @@
+OUTPUT_ARCH(h8300s)
+ENTRY("__start")
+
+MEMORY
+ {
+ vector : ORIGIN = 0x000000, LENGTH = 0x000200
+ rom : ORIGIN = 0x000200, LENGTH = 0x200000-0x000200
+ erom : ORIGIN = 0x200000, LENGTH = 0
+ ram : ORIGIN = 0x200000, LENGTH = 0x200000
+ eram : ORIGIN = 0x400000, LENGTH = 0
+ }
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/generic/timer.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/timer.c
--- linux-2.6.0-test2/arch/h8300/platform/h8s/generic/timer.c 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/generic/timer.c 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,48 @@
+/*
+ * linux/arch/h8300/platform/h8s/generic/timer.c
+ *
+ * Yoshinori Sato <ysato@users.sourceforge.jp>
+ *
+ * Platform depend Timer Handler
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/timex.h>
+
+#include <asm/segment.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/regs267x.h>
+
+extern int request_irq_boot(unsigned int,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long, const char *, void *);
+
+int platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
+{
+ outb(H8300_TIMER_COUNT_DATA,_8TCORA1);
+ outb(0x00,_8TCSR1);
+ request_irq_boot(76,timer_int,0,"timer",0);
+ outb(0x40|0x08|0x03,_8TCR1);
+ return 0;
+}
+
+void platform_timer_eoi(void)
+{
+ __asm__("bclr #6,@0xffffb3:8");
+}
+
+void platform_gettod(int *year, int *mon, int *day, int *hour,
+ int *min, int *sec)
+{
+ *year = *mon = *day = *hour = *min = *sec = 0;
+}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8s/ints.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/ints.c
--- linux-2.6.0-test2/arch/h8300/platform/h8s/ints.c 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8s/ints.c 2003-07-20 01:16:06.000000000 +0900
@@ -0,0 +1,308 @@
+/*
+ * linux/arch/h8300/platform/h8sh/ints.c
+ *
+ * Yoshinori Sato <ysato@users.sourceforge.jp>
+ *
+ * Based on linux/arch/$(ARCH)/platform/$(PLATFORM)/ints.c
+ *
+ * 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.
+ *
+ * Copyright 1996 Roman Zippel
+ * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com>
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/kernel_stat.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/bootmem.h>
+#include <linux/random.h>
+
+#include <asm/system.h>
+#include <asm/irq.h>
+#include <asm/traps.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/gpio.h>
+#include <asm/hardirq.h>
+#include <asm/regs267x.h>
+#include <asm/errno.h>
+
+#define EXT_IRQ0 16
+#define EXT_IRQ1 17
+#define EXT_IRQ2 18
+#define EXT_IRQ3 19
+#define EXT_IRQ4 20
+#define EXT_IRQ5 21
+#define EXT_IRQ6 22
+#define EXT_IRQ7 23
+#define EXT_IRQ8 24
+#define EXT_IRQ9 25
+#define EXT_IRQ10 26
+#define EXT_IRQ11 27
+#define EXT_IRQ12 28
+#define EXT_IRQ13 29
+#define EXT_IRQ14 30
+#define EXT_IRQ15 31
+
+/*
+ * This structure has only 4 elements for speed reasons
+ */
+typedef struct irq_handler {
+ irqreturn_t (*handler)(int, void *, struct pt_regs *);
+ int flags;
+ int count;
+ void *dev_id;
+ const char *devname;
+} irq_handler_t;
+
+static irq_handler_t *irq_list[NR_IRQS];
+
+/* IRQ pin assignment */
+struct irq_pins {
+ unsigned char port_no;
+ unsigned char bit_no;
+};
+/* ISTR = 0 */
+const static 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 */
+const static 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},
+};
+
+extern unsigned long *interrupt_redirect_table;
+
+static inline unsigned long *get_vector_address(void)
+{
+ volatile unsigned long *rom_vector = (unsigned long *)0x000000;
+ unsigned long base,tmp;
+ int vec_no;
+
+ base = rom_vector[EXT_IRQ0];
+
+ /* check romvector format */
+ for (vec_no = EXT_IRQ1; vec_no <= EXT_IRQ15; vec_no++) {
+ if ((base+(vec_no - EXT_IRQ0)*4) != rom_vector[vec_no])
+ return NULL;
+ }
+
+ /* ramvector base address */
+ base -= EXT_IRQ0*4;
+
+ /* writerble check */
+ tmp = ~(*(unsigned long *)base);
+ (*(unsigned long *)base) = tmp;
+ if ((*(unsigned long *)base) != tmp)
+ return NULL;
+ return (unsigned long *)base;
+}
+
+void __init init_IRQ(void)
+{
+#if defined(CONFIG_RAMKERNEL)
+ int i;
+ unsigned long *ramvec,*ramvec_p;
+ unsigned long break_vec;
+
+ ramvec = get_vector_address();
+ if (ramvec == NULL)
+ panic("interrupt vector serup failed.");
+ else
+ printk("virtual vector at 0x%08lx\n",(unsigned long)ramvec);
+
+#if defined(CONFIG_GDB_DEBUG)
+ /* save orignal break vector */
+ break_vec = ramvec[TRAP3_VEC];
+#else
+ break_vec = VECTOR(trace_break);
+#endif
+
+ /* create redirect table */
+ for (ramvec_p = ramvec, i = 0; i < NR_IRQS; i++)
+ *ramvec_p++ = REDIRECT(interrupt_entry);
+
+ /* set special vector */
+ ramvec[TRAP0_VEC] = VECTOR(system_call);
+ ramvec[TRAP3_VEC] = break_vec;
+ interrupt_redirect_table = ramvec;
+#ifdef DUMP_VECTOR
+ ramvec_p = ramvec;
+ for (i = 0; i < NR_IRQS; i++) {
+ if ((i % 8) == 0)
+ printk("\n%p: ",ramvec_p);
+ printk("%p ",*ramvec_p);
+ ramvec_p++;
+ }
+ printk("\n");
+#endif
+#endif
+}
+
+/* special request_irq */
+/* used bootmem allocater */
+void __init request_irq_boot(unsigned int irq,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long flags, const char *devname, void *dev_id)
+{
+ irq_handler_t *irq_handle;
+ irq_handle = alloc_bootmem(sizeof(irq_handler_t));
+ irq_handle->handler = handler;
+ irq_handle->flags = flags;
+ irq_handle->count = 0;
+ irq_handle->dev_id = dev_id;
+ irq_handle->devname = devname;
+ irq_list[irq] = irq_handle;
+}
+
+int request_irq(unsigned int irq,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long flags, const char *devname, void *dev_id)
+{
+ unsigned short ptn = 1 << (irq - EXT_IRQ0);
+ irq_handler_t *irq_handle;
+ if (irq < 0 || irq >= NR_IRQS) {
+ printk("Incorrect IRQ %d from %s\n", irq, devname);
+ return -EINVAL;
+ }
+ if (irq_list[irq])
+ return -EBUSY; /* already used */
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15) {
+ /* initialize IRQ pin */
+ unsigned int port_no,bit_no;
+ if (*(volatile unsigned short *)ITSR & ptn) {
+ port_no = irq_assign_table1[irq - EXT_IRQ0].port_no;
+ bit_no = irq_assign_table1[irq - EXT_IRQ0].bit_no;
+ } else {
+ port_no = irq_assign_table0[irq - EXT_IRQ0].port_no;
+ bit_no = irq_assign_table0[irq - EXT_IRQ0].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 */
+ }
+ irq_handle = (irq_handler_t *)kmalloc(sizeof(irq_handler_t), GFP_ATOMIC);
+ if (irq_handle == NULL)
+ return -ENOMEM;
+
+ irq_handle->handler = handler;
+ irq_handle->flags = flags;
+ irq_handle->count = 0;
+ irq_handle->dev_id = dev_id;
+ irq_handle->devname = devname;
+ irq_list[irq] = irq_handle;
+ if (irq_handle->flags & SA_SAMPLE_RANDOM)
+ rand_initialize_irq(irq);
+
+ /* enable interrupt */
+ /* compatible i386 */
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15)
+ *(volatile unsigned short *)IER |= ptn;
+ return 0;
+}
+
+void free_irq(unsigned int irq, void *dev_id)
+{
+ if (irq >= NR_IRQS)
+ return;
+ if (irq_list[irq]->dev_id != dev_id)
+ printk("%s: Removing probably wrong IRQ %d from %s\n",
+ __FUNCTION__, irq, irq_list[irq]->devname);
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15) {
+ /* disable interrupt & release IRQ pin */
+ unsigned short port_no,bit_no;
+ *(volatile unsigned short *)ISR &= ~(1 << (irq - EXT_IRQ0));
+ *(volatile unsigned short *)IER |= 1 << (irq - EXT_IRQ0);
+ if (*(volatile unsigned short *)ITSR & (1 << (irq - EXT_IRQ0))) {
+ port_no = irq_assign_table1[irq - EXT_IRQ0].port_no;
+ bit_no = irq_assign_table1[irq - EXT_IRQ0].bit_no;
+ } else {
+ port_no = irq_assign_table0[irq - EXT_IRQ0].port_no;
+ bit_no = irq_assign_table0[irq - EXT_IRQ0].bit_no;
+ }
+ H8300_GPIO_FREE(port_no, bit_no);
+ }
+ kfree(irq_list[irq]);
+ irq_list[irq] = NULL;
+}
+
+unsigned long probe_irq_on (void)
+{
+ return 0;
+}
+
+int probe_irq_off (unsigned long irqs)
+{
+ return 0;
+}
+
+void enable_irq(unsigned int irq)
+{
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15)
+ *(volatile unsigned short *)IER |= 1 << (irq - EXT_IRQ0);
+}
+
+void disable_irq(unsigned int irq)
+{
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ15)
+ *(volatile unsigned short *)IER &= ~(1 << (irq - EXT_IRQ0));
+}
+
+asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
+{
+ irq_enter();
+ /* ISR clear */
+ /* compatible i386 */
+ if (vec >= EXT_IRQ0 && vec <= EXT_IRQ15)
+ *(volatile unsigned short *)ISR &= ~(1 << (vec - EXT_IRQ0));
+ if (vec < NR_IRQS) {
+ if (irq_list[vec]) {
+ irq_list[vec]->handler(vec, irq_list[vec]->dev_id, fp);
+ irq_list[vec]->count++;
+ if (irq_list[vec]->flags & SA_SAMPLE_RANDOM)
+ add_interrupt_randomness(vec);
+ }
+ } else {
+ BUG();
+ }
+ irq_exit();
+}
+
+int show_interrupts(struct seq_file *p, void *v)
+{
+ int i;
+
+ for (i = 0; i < NR_IRQS; i++) {
+ if (irq_list[i]) {
+ seq_printf(p, "%3d: %10u ",i,irq_list[i]->count);
+ seq_printf(p, "%s\n", irq_list[i]->devname);
+ }
+ }
+
+ return 0;
+}
+
+void init_irq_proc(void)
+{
+}
-
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