* [PATCH] linux-2.6.0-test2 h8300 archtecure support update (2/6)
@ 2003-07-28 14:18 Yoshinori Sato
0 siblings, 0 replies; only message in thread
From: Yoshinori Sato @ 2003-07-28 14:18 UTC (permalink / raw)
To: Linus Torvalds; +Cc: linux kernel Mailing List
interrupt management update
target-support file update
gcc-3.3 support
blkdev location cleanup
--
Yoshinori Sato
<ysato@users.sourceforge.jp>
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/Rules.make linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/Rules.make
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/Rules.make 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/Rules.make 1970-01-01 09:00:00.000000000 +0900
@@ -1,51 +0,0 @@
-#
-# h8300h/Makefile
-#
-# This file is included by the global makefile so that you can add your own
-# platform-specific flags and dependencies.
-#
-# 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 (c) 2001 Lineo, Inc, <www.lineo.com>
-# Copyright (c) 2000,2001 D. Jeff Dionne <jeff@lineo.ca>
-# Copyright (c) 1998,1999 D. Jeff Dionne <jeff@uclinux.org>
-# Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>
-# Copyright (C) 1994 Hamish Macdonald
-#
-# 68VZ328 Fixes By Evan Stawnyczy <e@lineo.ca>
-# H8/300H Modify By Yoshinori Sato <ysato@users.sourceforge.jp>
-
-CROSS_COMPILE = h8300-elf-
-
-GCC_DIR = $(shell $(CC) -v 2>&1 | grep specs | sed -e 's/.* \(.*\)specs/\1\./')
-
-INCGCC = $(GCC_DIR)/include
-LIBGCC = $(GCC_DIR)/h8300h/int32/libgcc.a
-
-CFLAGS := -fno-builtin -DNO_CACHE $(CFLAGS) -pipe -DNO_MM -DNO_FPU -DNO_CACHE -mh -mint32 -malign-300 -D__ELF__ -DNO_FORGET -DUTS_SYSNAME=\"uClinux\" -D__linux__ -DTARGET=$(BOARD)
-AFLAGS := $(AFLAGS) -pipe -DNO_MM -DNO_FPU -DNO_CACHE -mh -D__ELF__ -DUTS_SYSNAME=\"uClinux\"
-
-LINKFLAGS = -T arch/$(ARCH)/platform/$(PLATFORM)/$(BOARD)/$(MODEL).ld
-LDFLAGS := $(LDFLAGS) -mh8300helf
-
-HEAD := arch/$(ARCH)/platform/$(PLATFORM)/$(BOARD)/crt0_$(MODEL).o
-
-SUBDIRS := arch/$(ARCH)/kernel arch/$(ARCH)/mm arch/$(ARCH)/lib \
- arch/$(ARCH)/platform/$(PLATFORM) \
- arch/$(ARCH)/platform/$(PLATFORM)/$(BOARD) \
- $(SUBDIRS)
-
-CORE_FILES := arch/$(ARCH)/kernel/kernel.o arch/$(ARCH)/mm/mm.o \
- arch/$(ARCH)/platform/$(PLATFORM)/platform.o \
- arch/$(ARCH)/platform/$(PLATFORM)/$(BOARD)/$(BOARD).o \
- $(CORE_FILES)
-
-LIBS += arch/$(ARCH)/lib/lib.a $(LIBGCC)
-
-linux.bin: linux
- $(OBJCOPY) -O binary linux linux.bin
-
-archclean:
- rm -f linux
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/Makefile 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/Makefile 2003-07-14 15:17:52.000000000 +0900
@@ -6,8 +6,7 @@
# unless it's something special (ie not a .c file).
#
-all: $(BOARD).o
-O_TARGET := $(BOARD).o
+extra-y := crt0_ram.o
obj-y := timer.o
timer.o: timer.c
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/crt0_ram.S 2003-07-28 12:40:08.000000000 +0900
@@ -3,7 +3,7 @@
*
* Yoshinori Sato <ysato@users.sourceforge.jp>
*
- * Platform depend startup for uClinux-2.4.x
+ * Platform depend startup
* Target Archtecture: AE-3068 (aka. aki3068net)
* Memory Layout : RAM
*/
@@ -13,6 +13,16 @@
#include <linux/config.h>
#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 SYMBOL_NAME(_start)
.global SYMBOL_NAME(command_line)
.global SYMBOL_NAME(_platform_gpio_table)
@@ -25,23 +35,28 @@
/* CPU Reset entry */
SYMBOL_NAME_LABEL(_start)
- mov.l #__ramend,sp
+ 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 er5,er6
- inc.l #1,er6
mov.l #__ebss,er4
sub.l er5,er4
- sub.w r0,r0
- mov.b r0l,@er5
+ shlr er4
+ shlr er4
+ sub.l er0,er0
1:
- eepmov.w
- dec.w #1,e4
- bpl 1b
+ mov.l er0,@er5
+ adds #4,er5
+ dec.l #1,er4
+ bne 1b
/* copy kernel commandline */
mov.l #COMMAND_START,er5
@@ -49,22 +64,9 @@
mov.w #512,r4
eepmov.w
- /* RAM Interrupt Vector Table Setup */
-#if defined(CONFIG_GDB_DEBUG)
- mov.l @SYMBOL_NAME(interrupt_redirect_table)+11*4,er0
-#endif
- mov.l #SYMBOL_NAME(_vector_lma),er5
- mov.l #SYMBOL_NAME(interrupt_redirect_table),er6
- mov.w #0x100,r4
- eepmov.w
-#if defined(CONFIG_GDB_DEBUG)
- mov.l er0,@SYMBOL_NAME(interrupt_redirect_table)+11*4
-#endif
-
/* uClinux kernel start */
ldc #0x90,ccr /* running kernel */
- mov.l #SYMBOL_NAME(init_task_union),sp
- mov.l sp,@SYMBOL_NAME(_current_task)
+ mov.l #SYMBOL_NAME(init_thread_union),sp
add.l #0x2000,sp
jsr @_start_kernel
_exit:
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/ram.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/ram.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/ram.ld 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/ram.ld 2003-07-14 15:17:52.000000000 +0900
@@ -5,86 +5,7 @@
MEMORY
{
- ram : ORIGIN = 0x400000, LENGTH = 0x600000-0x400000-0x80000
- disk : ORIGIN = 0x600000-0x80000, LENGTH = 0x60000
+ ram : ORIGIN = 0x400000, LENGTH = 0x600000-0x400000
eram : ORIGIN = 0x600000, LENGTH = 0
iram : ORIGIN = 0xffbf20, LENGTH = 0x4000
}
-
-SECTIONS
-{
- .bootvec :
- {
- *(.bootvec)
- } > ram
- .text :
- {
- __stext = . ;
- *(.text)
- . = ALIGN(0x4) ;
- *(.text.*)
- . = ALIGN(0x4) ;
- *(.kstrtab)
- . = ALIGN(0x4) ;
- *(.rodata*)
- . = ALIGN(16); /* Exception table */
- ___start___ex_table = .;
- *(__ex_table)
- ___stop___ex_table = .;
-
- ___start___ksymtab = .; /* Kernel symbol table */
- *(__ksymtab)
- ___stop___ksymtab = .;
-
- . = ALIGN(0x4) ;
- __etext = . ;
- } > ram
- .data :
- {
- __sdata = . ;
- ___data_start = . ;
- *(.data)
- *(.data.*)
- *(.exitcall.exit)
-
- . = ALIGN(0x2000) ;
- *(.data.init_task)
- . = ALIGN(0x2000) ;
- ___init_begin = .;
- *(.text.init)
- *(.data.init)
- . = ALIGN(16);
- ___setup_start = .;
- *(.setup.init)
- ___setup_end = .;
- ___initcall_start = .;
- *(.initcall.init)
- . = ALIGN(4) ;
- ___initcall_end = .;
- ___init_end = .;
- __edata = . ;
- . = ALIGN(0x4) ;
- __sbss = . ;
- *(.bss)
- . = ALIGN(0x4) ;
- *(COMMON)
- . = ALIGN(0x4) ;
- __ebss = . ;
- __end = . ;
- __ramstart = .;
- } > ram
- .blkimg :
- {
- __ramend = . ;
- __blkimg = . ;
- } > disk
- .ram_vec : AT(ADDR(.data) + SIZEOF(.data))
- {
- *(.int_redirect)
- } > iram
- __vector_lma = LOADADDR(.ram_vec);
- .dummy2 :
- {
- COMMAND_START = . - 0x200 ;
- } > eram
-}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/timer.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/timer.c
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/aki3068net/timer.c 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/aki3068net/timer.c 2003-07-19 21:41:33.000000000 +0900
@@ -14,29 +14,32 @@
#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/regs306x.h>
-#include <linux/timex.h>
-
-#define TMR8CMA2 0x00ffff94
-#define TMR8TCSR2 0x00ffff92
-#define TMR8TCNT2 0x00ffff90
#define CMFA 6
-int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *))
+extern int request_irq_boot(unsigned int,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long, const char *, void *);
+
+void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
- outb(CONFIG_CLK_FREQ*10/8192,TMR8CMA2);
- outb(0x00,TMR8TCSR2);
- request_irq(40,timer_int,0,"timer",0);
- outb(0x40|0x08|0x03,TMR8TCNT2);
+ outb(H8300_TIMER_COUNT_DATA,TCORA2);
+ outb(0x00,_8TCSR2);
+ request_irq_boot(40,timer_int,0,"timer",0);
+ outb(0x40|0x08|0x03,_8TCR2);
}
void platform_timer_eoi(void)
{
- *(unsigned char *)TMR8TCSR2 &= ~(1 << CMFA);
+ *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA);
}
void platform_gettod(int *year, int *mon, int *day, int *hour,
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/entry.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/entry.S
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/entry.S 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/entry.S 2003-07-14 15:17:52.000000000 +0900
@@ -3,6 +3,7 @@
* linux/arch/h8300/platform/h8300h/entry.S
*
* Yoshinori Sato <ysato@users.sourceforge.jp>
+ * David McCullough <davidm@snapgear.com>
*
*/
@@ -29,14 +30,17 @@
/* the following macro is used when enabling interrupts */
-LER3 = 0
-LER2 = 4
-LER1 = 8
-LORIG = 12
-LCCR = 16
-LER0 = 18
-LVEC = 22
-LRET = 24
+LER4 = 0
+LER5 = 4
+LER6 = 8
+LER3 = 12
+LER2 = 16
+LER1 = 20
+LORIG = 24
+LCCR = 28
+LER0 = 30
+LVEC = 34
+LRET = 38
.h8300h
@@ -44,100 +48,123 @@
.macro SAVE_ALL
mov.l er0,@-sp
- stc ccr,r0l
+
+ stc ccr,r0l /* check kernel mode */
orc #0x10,ccr
btst #4,r0l
- bne 1f
- mov.l sp,@SYMBOL_NAME(sw_usp)
+ 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 */
mov.l er0,@-sp
- stc ccr,r0l
- and #0xef,r0l
- mov.w r0,@-sp
- mov.l @(2:16,sp),er0
- bra 2f
-1:
- mov.l @sp,er0
- stc ccr,@-sp
-2:
+ mov.l er1,@-sp
+ mov.l @SYMBOL_NAME(sw_usp),er0
+ mov.l @(8:16,er0),er1 /* copy the RET addr */
+ mov.l er1,@(LRET-LER1:16,sp)
+
+ 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-LER1:16,sp) /* copy ccr */
+ mov.l @(LORIG-LER1:16,sp),er0
+ mov.l er0,@(LER0-LER1:16,sp) /* copy ER0 */
+ bra 6f
+5:
+ mov.l @sp,er0 /* kernel mode */
+ subs #2,sp /* dummy ccr */
mov.l er0,@-sp
mov.l er1,@-sp
+ mov.w @(LRET-LER1:16,sp),r1 /* copy old ccr */
+ mov.b r1h,r1l
+ mov.b #0,r1h
+ mov.w r1,@(LCCR-LER1:16,sp) /* set ccr */
+6:
mov.l er2,@-sp
mov.l er3,@-sp
+ mov.l er6,@-sp /* syscall arg #6 */
+ mov.l er5,@-sp /* syscall arg #5 */
+ mov.l er4,@-sp /* syscall arg #4 */
.endm
- .macro RESTORE_REGS
- mov.w @(LCCR:16,sp),r0
+ .macro RESTORE_ALL
+ mov.l @sp+,er4
+ mov.l @sp+,er5
+ mov.l @sp+,er6
+ mov.l @sp+,er3
+ mov.l @sp+,er2
+ mov.w @(LCCR-LER1:16,sp),r0 /* check kernel mode */
btst #4,r0l
- bne 1f
+ bne 7f
+
+ orc #0x80,ccr
mov.l @SYMBOL_NAME(sw_usp),er0
- mov.l @(LER0:16,sp),er1
+ mov.l @(LER0-LER1:16,sp),er1 /* restore ER0 */
mov.l er1,@er0
- mov.l @sp+,er3
- mov.l @sp+,er2
+ 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,@(8:16,er0)
+
mov.l @sp+,er1
- add.l #10,sp
+ add.l #(LRET-LORIG),sp /* remove LORIG - LRET */
mov.l sp,@SYMBOL_NAME(sw_ksp)
mov.l er0,sp
- bra 2f
-1:
- mov.l @sp+,er3
- mov.l @sp+,er2
+ bra 8f
+7:
mov.l @sp+,er1
adds #4,sp
adds #2,sp
-2:
+8:
mov.l @sp+,er0
- adds #4,sp
- .endm
-
- .macro RESTORE_ALL
- RESTORE_REGS
+ adds #4,sp /* remove the sw created LVEC */
rte
.endm
-
-#define SWITCH_STACK_SIZE (3*4+12) /* includes return address */
-
- .macro SAVE_SWITCH_STACK
- mov.l er4,@-sp
- mov.l er5,@-sp
- mov.l er6,@-sp
- .endm
-
- .macro RESTORE_SWITCH_STACK
- mov.l @sp+,er6
- mov.l @sp+,er5
- mov.l @sp+,er4
- .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), SYMBOL_NAME(bad_interrupt)
+.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(sys_vfork)
.globl SYMBOL_NAME(syscall_trampoline)
-
+.globl SYMBOL_NAME(interrupt_redirect_table)
+.globl SYMBOL_NAME(interrupt_entry)
+.globl SYMBOL_NAME(system_call)
+.globl SYMBOL_NAME(trace_break)
+
+#if defined(CONFIG_ROMKERNEL)
+INTERRUPTS = 64
.section .int_redirect,"ax"
SYMBOL_NAME_LABEL(interrupt_redirect_table)
.rept 7
.long 0
.endr
- jsr @interrupt_entry /* NMI */
+ 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 64-12
- jsr @interrupt_entry
+ .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
-interrupt_entry:
+SYMBOL_NAME_LABEL(interrupt_entry)
SAVE_ALL
mov.w @(LCCR,sp),r0
btst #4,r0l
@@ -148,114 +175,91 @@
1:
mov.l @(LVEC,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 er0
shlr.l 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
+ subs #4,sp /* dummy LVEC */
SAVE_ALL
- mov.l er0,er3
+ mov.w @(LCCR:16,sp),r1
+ bset #4,r1l
+ ldc r1l,ccr
+ mov.l er0,er4
mov.l #-ENOSYS,er0
mov.l er0,@(LER0:16,sp)
/* save top of frame */
mov.l sp,er0
- mov.l er3,@-sp
jsr @SYMBOL_NAME(set_esp0)
- mov.l @sp+,er3
- cmp.l #NR_syscalls,er3
+ cmp.l #NR_syscalls,er4
bcc SYMBOL_NAME(ret_from_exception):16
- shll.l er3
- shll.l er3
+ shll.l er4
+ shll.l er4
mov.l #SYMBOL_NAME(sys_call_table),er0
- add.l er3,er0
- mov.l @er0,er0
- mov.l er0,er3
+ add.l er4,er0
+ mov.l @er0,er4
beq SYMBOL_NAME(ret_from_exception):16
- mov.l @SYMBOL_NAME(_current_task),er2
+ 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
bne 1f
mov.l @(LER1:16,sp),er0
mov.l @(LER2:16,sp),er1
mov.l @(LER3:16,sp),er2
- mov.l er5,@-sp
- mov.l er4,@-sp
- jsr @er3
- adds #4,sp
- adds #4,sp
- mov.l er0,@(LER0,sp) /* save the return value */
+ 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:
- SAVE_SWITCH_STACK
- mov.l er3,er5 /* save syscall entry */
jsr SYMBOL_NAME(syscall_trace)
- mov.l er5,er3
- RESTORE_SWITCH_STACK
mov.l @(LER1:16,sp),er0
mov.l @(LER2:16,sp),er1
mov.l @(LER3:16,sp),er2
- mov.l er5,@-sp
- mov.l er4,@-sp
- jsr @er3
- adds #4,sp
- adds #4,sp
+ jsr @er4
mov.l er0,@(LER0:16,sp) /* save the return value */
- SAVE_SWITCH_STACK
jsr SYMBOL_NAME(syscall_trace)
SYMBOL_NAME_LABEL(ret_from_signal)
- RESTORE_SWITCH_STACK
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 @SYMBOL_NAME(_current_task),er0
+ mov.l sp,er2
+ and.w #0xe000,r2
mov.l @(TI_FLAGS:16,er2),er1
and.l #_TIF_WORK_MASK,er1
- bne 1f
- mov.l @((TASK_THREAD+THREAD_VFORK):16,er0),er1
- bne Lvfork_return
-3:
- RESTORE_ALL /* Does RTE */
+ beq 3f
1:
mov.l @(TI_FLAGS:16,er2),er1
btst #TIF_NEED_RESCHED,r1l
bne @SYMBOL_NAME(reschedule):16
-
-Lsignal_return:
- SAVE_SWITCH_STACK
mov.l sp,er1
- add #12,er1
mov.l er2,er0
jsr @SYMBOL_NAME(do_signal)
- RESTORE_SWITCH_STACK
- mov.l @SYMBOL_NAME(_current_task),er0
- mov.l @((TASK_THREAD+THREAD_VFORK):16,er0),er1
- bne Lvfork_return
- RESTORE_ALL
-
-Lvfork_return:
- sub.l er2,er2
- mov.l er2,@((TASK_THREAD+THREAD_VFORK):16,er0)
- mov.l @SYMBOL_NAME(sw_usp),er0
- mov.l er1,@(8:16,er0)
- RESTORE_ALL
-
+3:
+ RESTORE_ALL /* Does RTE */
+
SYMBOL_NAME_LABEL(reschedule)
/* save top of frame */
mov.l sp,er0
@@ -265,6 +269,11 @@
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)
/*
* Beware - when entering resume, offset of tss is in d1,
@@ -277,17 +286,13 @@
/* save sr */
sub.w r3,r3
stc ccr,r3l
- mov.w r3,@(THREAD_CCR:16,er0)
- SAVE_SWITCH_STACK
+ 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)
-
- /* get pointer to tss struct (a1 contains new task) */
- mov.l er1,@SYMBOL_NAME(_current_task)
/* Skip address space switching if they are the same. */
/* FIXME: what did we hack out of here, this does nothing! */
@@ -295,23 +300,13 @@
mov.l @(THREAD_USP:16,er1),er0
mov.l er0,@SYMBOL_NAME(sw_usp)
mov.l @(THREAD_KSP:16,er1),sp
- RESTORE_SWITCH_STACK
/* restore status register */
- mov.w @(THREAD_CCR:16,er1),r3
+ mov.w @(THREAD_CCR+2:16,er1),r3
ldc r3l,ccr
-
rts
-/* Handler for uninitialized and spurious interrupts */
-
-SYMBOL_NAME_LABEL(bad_interrupt)
- mov.l @SYMBOL_NAME(num_spurious),er0
- inc.l #1,er0
- mov.l er0,@SYMBOL_NAME(num_spurious)
- rts
-
SYMBOL_NAME_LABEL(trace_break)
subs #4,sp
SAVE_ALL
@@ -329,26 +324,10 @@
jsr @SYMBOL_NAME(trace_trap)
jmp @SYMBOL_NAME(ret_from_exception)
-SYMBOL_NAME_LABEL(sys_vfork)
- SAVE_SWITCH_STACK
- mov.l @SYMBOL_NAME(sw_usp),er6
- mov.l @(8:16,er6),er6
- mov.l sp,er0
- add.l #SWITCH_STACK_SIZE,er0
- jsr @SYMBOL_NAME(h8300_vfork)
- mov.l @SYMBOL_NAME(_current_task),er5
- mov.l er6,@((TASK_THREAD+THREAD_VFORK):16,er5)
- RESTORE_SWITCH_STACK
- rts
-
SYMBOL_NAME_LABEL(syscall_trampoline)
- SAVE_SWITCH_STACK
mov.l er0,er6
mov.l sp,er0
- add.l #SWITCH_STACK_SIZE,er0
- jsr @er6
- RESTORE_SWITCH_STACK
- rts
+ jmp @er6
.section .bss
SYMBOL_NAME_LABEL(sw_ksp)
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/Makefile 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/Makefile 2003-07-14 15:17:52.000000000 +0900
@@ -6,7 +6,8 @@
# unless it's something special (ie not a .c file).
#
-obj-y := timer.o crt0_$(MODEL).o
+obj-y := timer.o
+extra-y = crt0_$(MODEL).o
clean:
rm -f *.[oa]
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/crt0_ram.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/crt0_ram.S
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/crt0_ram.S 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/crt0_ram.S 2003-07-28 12:40:08.000000000 +0900
@@ -0,0 +1,108 @@
+/*
+ * 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 <linux/config.h>
+#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 SYMBOL_NAME(_start)
+ .global SYMBOL_NAME(command_line)
+ .global SYMBOL_NAME(_platform_gpio_table)
+ .global SYMBOL_NAME(_target_name)
+
+ .h8300h
+
+ .section .text
+ .file "crt0_ram.S"
+
+ /* CPU Reset entry */
+SYMBOL_NAME_LABEL(_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 #SYMBOL_NAME(command_line),er6
+ mov.w #512,r4
+ eepmov.w
+
+ /* uClinux 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
+ ;; P9DDR
+ .byte 0x00,0x00
+ ;; PADDR
+ .byte 0x00,0x00
+ ;; PBDDR
+ .byte 0x00,0x00
+
+__target_name:
+ .asciz "generic"
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/crt0_rom.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/crt0_rom.S
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/crt0_rom.S 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/crt0_rom.S 2003-07-19 21:41:33.000000000 +0900
@@ -3,7 +3,7 @@
*
* Yoshinori Sato <ysato@users.sourceforge.jp>
*
- * Platform depend startup for uClinux-2.4.x
+ * Platform depend startup
* Target Archtecture: generic
* Memory Layout : ROM
*/
@@ -31,16 +31,16 @@
/* .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
+ shlr er4
+ shlr er4
+ sub.l er0,er0
1:
- eepmov.w
- dec.w #1,e4
- bpl 1b
+ mov.l er0,@er5
+ adds #4,er5
+ dec.l #1,er4
+ bne 1b
/* copy .data */
#if !defined(CONFIG_H8300H_SIM)
@@ -60,10 +60,9 @@
mov.w #512,r4
eepmov.w
- /* uClinux kernel start */
+ /* linux kernel start */
ldc #0x90,ccr /* running kernel */
mov.l #SYMBOL_NAME(init_thread_union),sp
- mov.l sp,@SYMBOL_NAME(_current_task)
add.l #0x2000,sp
jsr @_start_kernel
_exit:
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/ram.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/ram.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/ram.ld 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/ram.ld 2003-07-28 12:40:08.000000000 +0900
@@ -1,76 +1,11 @@
-/* AKI3068NET RAM */
+/* Generic RAM */
OUTPUT_ARCH(h8300h)
ENTRY("__start")
MEMORY
{
- ram : ORIGIN = 0x400000, LENGTH = 0xA0000
-/* rdisk : ORIGIN = 0x4A0000, LENGTH = 0x70000 */
-/* uram : ORIGIN = 0x510000, LENGTH = 0xF0000 */
- uram : ORIGIN = 0x4A0000, LENGTH = 0x160000
+ ram : ORIGIN = 0x400000, LENGTH = 0x200000
eram : ORIGIN = 0x600000, LENGTH = 0
iram : ORIGIN = 0xffbf20, LENGTH = 0x4000
}
-
-SECTIONS
-{
- .bootvec :
- {
- *(.bootvec)
- } > ram
- .text :
- {
- __stext = . ;
- *(.text)
- __etext = . ;
- } > ram
- .rodata :
- {
- ___data_rom_start = ALIGN ( 4 ) ;
- } > ram
- .erom :
- {
- __erom = . ;
- } > ram
- .data :
- {
- __ramstart = . ;
- __sdata = . ;
- ___data_start = . ;
- *(.data)
- __edata = . ;
- edata = ALIGN( 0x10 ) ;
- ___data_end = ALIGN( 0x10 ) ;
- } > ram
- .bss :
- {
- __sbss = . ;
- ___bss_start = . ;
- *(.bss)
- *(COMMON)
- __ebss = . ;
- ___bss_end = . ;
- } > ram
-/*
- .rootimg :
- {
- __rootimage = . ;
- } > rdisk
-*/
- .dummy1 :
- {
- end = ALIGN( 0x10 ) ;
- __end = ALIGN( 0x10 ) ;
- } > uram
- .ram_vec : AT(___bss_end)
- {
- __ram_vector = . ;
- } > iram
- __ram_vector_image = LOADADDR(.ram_vec) ;
- .dummy2 :
- {
- _COMMAND_START = . - 0x200 ;
- __ramend = . ;
- } > eram
-}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/rom.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/rom.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/rom.ld 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/rom.ld 2003-07-28 12:40:08.000000000 +0900
@@ -1,123 +1,12 @@
OUTPUT_ARCH(h8300h)
ENTRY("__start")
-/*INPUT(rootimage.o)*/
-
-_jiffies = _jiffies_64 + 4;
-
MEMORY
{
vector : ORIGIN = 0x000000, LENGTH = 0x000100
rom : ORIGIN = 0x000100, LENGTH = 0x200000-0x000100
- erom : ORIGIN = 0x200000, LENGTH = 1
- ram : ORIGIN = 0x200000, LENGTH = 0x100000
- eram : ORIGIN = 0x2fa000, LENGTH = 1
+ erom : ORIGIN = 0x200000, LENGTH = 0
+ ram : ORIGIN = 0x200000, LENGTH = 0x400000
+ eram : ORIGIN = 0x600000, LENGTH = 0
}
-SECTIONS
-{
- .vectors :
- {
- __vector = . ;
- *(.vectors*)
- } > vector
- .text :
- {
- *(.int_redirect)
- __stext = . ;
- *(.text)
- . = ALIGN(0x4) ;
- *(.exit.text)
- *(.text.*)
- . = ALIGN(0x4) ;
- *(.exitcall.exit)
- . = ALIGN(0x4) ;
- *(.kstrtab)
- . = ALIGN(0x4) ;
- *(.rodata*)
- . = ALIGN(16); /* Exception table */
- ___start___ex_table = .;
- *(__ex_table)
- ___stop___ex_table = .;
-
- ___start___ksymtab = .; /* Kernel symbol table */
- *(__ksymtab)
- ___stop___ksymtab = .;
-
- . = ALIGN(0x4) ;
- __etext = . ;
- } > rom
- .data : AT( ADDR(.text)+SIZEOF(.text))
- {
- __sdata = . ;
- ___data_start = . ;
-
- . = ALIGN(0x2000) ;
- *(.data.init_task)
- . = ALIGN(0x4) ;
- *(.data)
- . = ALIGN(0x4) ;
- *(.data.*)
-
- . = ALIGN(0x4) ;
- ___init_begin = .;
- *(.init.text)
- *(.init.data)
- . = ALIGN(0x4) ;
- ___setup_start = .;
- *(.init.setup)
- . = ALIGN(0x4) ;
- ___setup_end = .;
- ___start___param = .;
- *(__param)
- ___stop___param = .;
- ___initcall_start = .;
- *(.initcall1.init)
- *(.initcall2.init)
- *(.initcall3.init)
- *(.initcall4.init)
- *(.initcall5.init)
- *(.initcall6.init)
- *(.initcall7.init)
- ___initcall_end = .;
- ___con_initcall_start = .;
- *(.con_initcall.init)
- ___con_initcall_end = .;
- SECURITY_INIT
- . = ALIGN(4);
- ___initramfs_start = .;
- *(.init.ramfs)
- ___initramfs_end = .;
- . = ALIGN(0x4) ;
- ___init_end = .;
-
- __edata = . ;
- } > ram
- __begin_data = LOADADDR(.data) ;
- .blkimg : AT( LOADADDR(.data) + SIZEOF(.data))
- {
- __blkimg = . ;
- *(.rootimg*)
- } > rom
- .erom :
- {
- __erom = . ;
- } > erom
- .bss :
- {
- . = ALIGN(0x4) ;
- __sbss = . ;
- *(.bss)
- . = ALIGN(0x4) ;
- *(COMMON)
- . = ALIGN(0x4) ;
- __ebss = . ;
- __end = . ;
- __ramstart = .;
- } > ram
- .dummy :
- {
- COMMAND_START = . - 0x200 ;
- __ramend = . ;
- } > eram
-}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/timer.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/timer.c
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/generic/timer.c 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/generic/timer.c 2003-07-19 21:41:33.000000000 +0900
@@ -1,7 +1,7 @@
/*
* linux/arch/h8300/platform/h8300h/generic/timer.c
*
- * Yoshinori Sato <qzb04471@nifty.ne.jp>
+ * Yoshinori Sato <ysato@users.sourceforge.jp>
*
* Platform depend Timer Handler
*
@@ -22,27 +22,31 @@
#include <linux/timex.h>
+extern int request_irq_boot(unsigned int,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long, const char *, void *);
+
+
#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
-#define TMR8CMA2 0x00ffff94
-#define TMR8TCSR2 0x00ffff92
-#define TMR8TCNT2 0x00ffff90
+#include <asm/regs306x.h>
int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *))
{
outb(H8300_TIMER_COUNT_DATA,TMR8CMA2);
outb(0x00,TMR8TCSR2);
- request_irq(40,timer_int,0,"timer",0);
+ request_irq_boot(40,timer_int,0,"timer",0);
outb(0x40|0x08|0x03,TMR8TCNT2);
return 0;
}
void platform_timer_eoi(void)
{
- __asm__("bclr #6,@0xffff92:8");
+ *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA);
}
#endif
#if defined(H8_3002) || defined(CONFIG_H83048)
+/* FIXME! */
#define TSTR 0x00ffff60
#define TSNC 0x00ffff61
#define TMDR 0x00ffff62
@@ -63,7 +67,7 @@
*(unsigned short *)TCNT=0;
outb(0x23,TCR);
outb(0x00,TIOR);
- request_irq(26,timer_int,0,"timer",0);
+ request_timer_irq(26,timer_int,0,"timer",0);
outb(inb(TIER) | 0x01,TIER);
outb(inb(TSNC) & ~0x01,TSNC);
outb(inb(TMDR) & ~0x01,TMDR);
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/Makefile linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/Makefile
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/Makefile 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/Makefile 2003-07-14 15:17:52.000000000 +0900
@@ -6,8 +6,7 @@
# unless it's something special (ie not a .c file).
#
-all: $(BOARD).o
-O_TARGET := $(BOARD).o
+extra-y := crt0_ram.o
obj-y := timer.o
timer.o: timer.c
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/crt0_ram.S linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/crt0_ram.S
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/crt0_ram.S 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/crt0_ram.S 2003-07-28 12:40:08.000000000 +0900
@@ -3,7 +3,7 @@
*
* Yoshinori Sato <ysato@users.sourceforge.jp>
*
- * Platform depend startup for uClinux-2.4.x
+ * Platform depend startup
* Target Archtecture: H8MAX
* Memory Layout : RAM
*/
@@ -13,6 +13,16 @@
#include <linux/config.h>
#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 SYMBOL_NAME(_start)
.global SYMBOL_NAME(command_line)
.global SYMBOL_NAME(_platform_gpio_table)
@@ -25,23 +35,28 @@
/* CPU Reset entry */
SYMBOL_NAME_LABEL(_start)
- mov.l #__ramend,sp
+ 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 er5,er6
- inc.l #1,er6
mov.l #__ebss,er4
sub.l er5,er4
- sub.w r0,r0
- mov.b r0l,@er5
+ shlr er4
+ shlr er4
+ sub.l er0,er0
1:
- eepmov.w
- dec.w #1,e4
- bpl 1b
+ mov.l er0,@er5
+ adds #4,er5
+ dec.l #1,er4
+ bne 1b
/* copy kernel commandline */
mov.l #COMMAND_START,er5
@@ -49,22 +64,9 @@
mov.w #512,r4
eepmov.w
- /* RAM Interrupt Vector Table Setup */
-#if defined(CONFIG_GDB_DEBUG)
- mov.l @SYMBOL_NAME(interrupt_redirect_table)+11*4,er0
-#endif
- mov.l #SYMBOL_NAME(_vector_lma),er5
- mov.l #SYMBOL_NAME(interrupt_redirect_table),er6
- mov.w #0x100,r4
- eepmov.w
-#if defined(CONFIG_GDB_DEBUG)
- mov.l er0,@SYMBOL_NAME(interrupt_redirect_table)+11*4
-#endif
-
/* uClinux kernel start */
ldc #0x90,ccr /* running kernel */
- mov.l #SYMBOL_NAME(init_task_union),sp
- mov.l sp,@SYMBOL_NAME(_current_task)
+ mov.l #SYMBOL_NAME(init_thread_union),sp
add.l #0x2000,sp
jsr @_start_kernel
_exit:
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/ram.ld linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/ram.ld
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/ram.ld 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/ram.ld 2003-07-14 15:17:52.000000000 +0900
@@ -5,86 +5,7 @@
MEMORY
{
- ram : ORIGIN = 0x400000, LENGTH = 0x600000-0x400000-0xc000
- disk : ORIGIN = 0x600000-0xc000, LENGTH = 0xc000
+ ram : ORIGIN = 0x400000, LENGTH = 0x600000-0x400000
eram : ORIGIN = 0x600000, LENGTH = 0
iram : ORIGIN = 0xfffd20, LENGTH = 0x100
}
-
-SECTIONS
-{
- .bootvec :
- {
- *(.bootvec)
- } > ram
- .text :
- {
- __stext = . ;
- *(.text)
- . = ALIGN(0x4) ;
- *(.text.*)
- . = ALIGN(0x4) ;
- *(.kstrtab)
- . = ALIGN(0x4) ;
- *(.rodata*)
- . = ALIGN(16); /* Exception table */
- ___start___ex_table = .;
- *(__ex_table)
- ___stop___ex_table = .;
-
- ___start___ksymtab = .; /* Kernel symbol table */
- *(__ksymtab)
- ___stop___ksymtab = .;
-
- . = ALIGN(0x4) ;
- __etext = . ;
- } > ram
- .data :
- {
- __sdata = . ;
- ___data_start = . ;
- *(.data)
- *(.data.*)
- *(.exitcall.exit)
-
- . = ALIGN(0x2000) ;
- *(.data.init_task)
- . = ALIGN(0x2000) ;
- ___init_begin = .;
- *(.text.init)
- *(.data.init)
- . = ALIGN(16);
- ___setup_start = .;
- *(.setup.init)
- ___setup_end = .;
- ___initcall_start = .;
- *(.initcall.init)
- . = ALIGN(4) ;
- ___initcall_end = .;
- ___init_end = .;
- __edata = . ;
- . = ALIGN(0x4) ;
- __sbss = . ;
- *(.bss)
- . = ALIGN(0x4) ;
- *(COMMON)
- . = ALIGN(0x4) ;
- __ebss = . ;
- __end = . ;
- __ramstart = .;
- } > ram
- .blkimg :
- {
- __ramend = . ;
- __blkimg = . ;
- } > disk
- .ram_vec : AT(ADDR(.data) + SIZEOF(.data))
- {
- *(.int_redirect)
- } > iram
- __vector_lma = LOADADDR(.ram_vec);
- .dummy2 :
- {
- COMMAND_START = . - 0x200 ;
- } > eram
-}
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/timer.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/timer.c
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/h8max/timer.c 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/h8max/timer.c 2003-07-19 21:41:33.000000000 +0900
@@ -14,29 +14,32 @@
#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/regs306x.h>
-#include <linux/timex.h>
-
-#define TMR8CMA2 0x00ffff94
-#define TMR8TCSR2 0x00ffff92
-#define TMR8TCNT2 0x00ffff90
#define CMFA 6
-int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *))
+extern int request_irq_boot(unsigned int,
+ irqreturn_t (*handler)(int, void *, struct pt_regs *),
+ unsigned long, const char *, void *);
+
+void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *))
{
- outb(CONFIG_CLK_FREQ*10/8192,TMR8CMA2);
- outb(0x00,TMR8TCSR2);
- request_irq(40,timer_int,0,"timer",0);
- outb(0x40|0x08|0x03,TMR8TCNT2);
+ outb(H8300_TIMER_COUNT_DATA,TCORA2);
+ outb(0x00,_8TCSR2);
+ request_irq_boot(40,timer_int,0,"timer",0);
+ outb(0x40|0x08|0x03,_8TCR2);
}
void platform_timer_eoi(void)
{
- *(unsigned char *)TMR8TCSR2 &= ~(1 << CMFA);
+ *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA);
}
void platform_gettod(int *year, int *mon, int *day, int *hour,
@@ -44,3 +47,4 @@
{
*year = *mon = *day = *hour = *min = *sec = 0;
}
+
diff -Nru linux-2.6.0-test2/arch/h8300/platform/h8300h/ints.c linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/ints.c
--- linux-2.6.0-test2/arch/h8300/platform/h8300h/ints.c 2003-07-14 15:00:21.000000000 +0900
+++ linux-2.6.0-test2-h8300/arch/h8300/platform/h8300h/ints.c 2003-07-19 21:41:33.000000000 +0900
@@ -18,6 +18,9 @@
#include <linux/sched.h>
#include <linux/kernel_stat.h>
#include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/random.h>
+#include <linux/bootmem.h>
#include <asm/system.h>
#include <asm/irq.h>
@@ -27,8 +30,7 @@
#include <asm/gpio.h>
#include <asm/hardirq.h>
#include <asm/regs306x.h>
-
-#define INTERNAL_IRQS (64)
+#include <asm/errno.h>
#define EXT_IRQ0 12
#define EXT_IRQ1 13
@@ -39,75 +41,144 @@
#define EXT_IRQ6 18
#define EXT_IRQ7 19
-#define WDT_IRQ 20
+/*
+ * 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;
-/* table for system interrupt handlers */
-static irq_handler_t irq_list[SYS_IRQS];
+irq_handler_t *irq_list[NR_IRQS];
-/* The number of spurious interrupts */
-volatile unsigned int num_spurious;
+extern unsigned long *interrupt_redirect_table;
-/* assembler routines */
-asmlinkage void system_call(void);
-asmlinkage void bad_interrupt(void);
+static inline unsigned long *get_vector_address(void)
+{
+ unsigned long *rom_vector = (unsigned long *)0x000000;
+ unsigned long base,tmp;
+ int vec_no;
-/* irq node variables for the 32 (potential) on chip sources */
-/*static irq_node_t *int_irq_list[INTERNAL_IRQS];*/
-static int int_irq_count[INTERNAL_IRQS];
+ base = rom_vector[EXT_IRQ0];
+
+ /* check romvector format */
+ for (vec_no = EXT_IRQ1; vec_no <= EXT_IRQ5; vec_no++) {
+ if ((base+(vec_no - EXT_IRQ0)*4) != rom_vector[vec_no])
+ return NULL;
+ }
-#if 0
-static void int_badint(int irq, void *dev_id, struct pt_regs *fp)
-{
- num_spurious += 1;
+ /* ramvector base address */
+ base -= EXT_IRQ0*4;
+
+ /* writerble check */
+ tmp = ~(*(volatile unsigned long *)base);
+ (*(volatile unsigned long *)base) = tmp;
+ if ((*(volatile unsigned long *)base) != tmp)
+ return NULL;
+ return (unsigned long *)base;
}
-#endif
-void init_IRQ(void)
+void __init init_IRQ(void)
{
+#if defined(CONFIG_RAMKERNEL)
int i;
+ unsigned long *ramvec,*ramvec_p;
+ unsigned long break_vec;
+
+#if defined(CONFIG_GDB_DEBUG)
+ break_vec = ramvec[TRAP3_VEC];
+#else
+ break_vec = VECTOR(trace_break);
+#endif
- for (i = 0; i < SYS_IRQS; i++) {
- irq_list[i].handler = NULL;
- irq_list[i].flags = 0;
- irq_list[i].devname = NULL;
- irq_list[i].dev_id = NULL;
+ ramvec = get_vector_address();
+ if (ramvec == NULL)
+ panic("interrupt vector serup failed.");
+ else
+ printk("virtual vector at 0x%08lx\n",(unsigned long)ramvec);
+
+ for (ramvec_p = ramvec, i = 0; i < NR_IRQS; i++)
+ *ramvec_p++ = REDIRECT(interrupt_entry);
+
+ ramvec[TRAP0_VEC] = VECTOR(system_call);
+ ramvec[TRAP3_VEC] = break_vec;
+ interrupt_redirect_table = ramvec;
+#ifdef DUMP_VECTOR
+ ramvec_p = interrupt_redirect_table;
+ 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
+}
+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, void (*handler)(int, void *, struct pt_regs *),
+int request_irq(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;
+ if (irq < 0 || irq >= NR_IRQS) {
+ printk("Incorrect IRQ %d from %s\n", irq, devname);
+ return -EINVAL;
+ }
+ if (irq_list[irq])
+ return -EBUSY;
if (irq >= EXT_IRQ0 && irq <= EXT_IRQ3) {
if (H8300_GPIO_RESERVE(H8300_GPIO_P8, 1 << (irq - EXT_IRQ0)) == 0)
- return 1;
+ return -EBUSY;
H8300_GPIO_DDR(H8300_GPIO_P8, (irq - EXT_IRQ0), 0);
}
if (irq >= EXT_IRQ4 && irq <= EXT_IRQ5) {
if (H8300_GPIO_RESERVE(H8300_GPIO_P9, 1 << (irq - EXT_IRQ0)) == 0)
- return 1;
+ return -EBUSY;
H8300_GPIO_DDR(H8300_GPIO_P9, (irq - EXT_IRQ0), 0);
}
- irq_list[irq].handler = handler;
- irq_list[irq].flags = flags;
- irq_list[irq].devname = devname;
- irq_list[irq].dev_id = dev_id;
- if (irq >= EXT_IRQ0 && irq <= EXT_IRQ5)
- *(volatile unsigned char *)IER |= 1 << (irq - EXT_IRQ0);
+ 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;
return 0;
}
void free_irq(unsigned int irq, void *dev_id)
{
- 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 >= NR_IRQS) {
+ return;
+ }
+ if (!irq_list[irq] || irq_list[irq]->dev_id != dev_id)
+ printk("Removing probably wrong IRQ %d from %s\n",
+ irq, irq_list[irq]->devname);
if (irq >= EXT_IRQ0 && irq <= EXT_IRQ5)
*(volatile unsigned char *)IER &= ~(1 << (irq - EXT_IRQ0));
- irq_list[irq].handler = NULL;
- irq_list[irq].flags = 0;
- irq_list[irq].dev_id = NULL;
- irq_list[irq].devname = NULL;
+ kfree(irq_list[irq]);
+ irq_list[irq] = NULL;
}
/*
@@ -123,115 +194,36 @@
return 0;
}
-struct int_regs {
- unsigned long ier;
- unsigned long isr;
- unsigned char mask;
-};
-
-#define REGS_DEF(ier,isr,mask) {ier,isr,mask}
-
-const struct int_regs interrupt_registers[]= {
- REGS_DEF(IER,ISR,0x01),
- REGS_DEF(IER,ISR,0x02),
- REGS_DEF(IER,ISR,0x04),
- REGS_DEF(IER,ISR,0x08),
- REGS_DEF(IER,ISR,0x10),
- REGS_DEF(IER,ISR,0x20),
- REGS_DEF(IER,ISR,0x40),
- REGS_DEF(IER,ISR,0x80),
- REGS_DEF(TCSR,TCSR,0x20),
- REGS_DEF(RTMCSR,RTMCSR,0x40),
- REGS_DEF(0,0,0),
- REGS_DEF(ADCSR,ADCSR,0x40),
- REGS_DEF(TISRA,TISRA,0x10),
- REGS_DEF(TISRB,TISRB,0x10),
- REGS_DEF(TISRC,TISRC,0x10),
- REGS_DEF(0,0,0),
- REGS_DEF(TISRA,TISRA,0x20),
- REGS_DEF(TISRB,TISRB,0x20),
- REGS_DEF(TISRC,TISRC,0x20),
- REGS_DEF(0,0,0),
- REGS_DEF(TISRA,TISRA,0x40),
- REGS_DEF(TISRB,TISRB,0x40),
- REGS_DEF(TISRC,TISRC,0x40),
- REGS_DEF(0,0,0),
- REGS_DEF(_8TCR0,_8TCSR0,0x40),
- REGS_DEF(_8TCR0,_8TCSR0,0x80),
- REGS_DEF(_8TCR1,_8TCSR1,0xC0),
- REGS_DEF(_8TCR0,_8TCSR0,0x20),
- REGS_DEF(_8TCR2,_8TCSR2,0x40),
- REGS_DEF(_8TCR2,_8TCSR2,0x80),
- REGS_DEF(_8TCR3,_8TCSR3,0xC0),
- REGS_DEF(_8TCR2,_8TCSR2,0x20),
- REGS_DEF(DTCR0A,DTCR0A,0x0),
- REGS_DEF(DTCR0B,DTCR0B,0x0),
- REGS_DEF(DTCR1A,DTCR1A,0x0),
- REGS_DEF(DTCR1B,DTCR1B,0x0),
- REGS_DEF(0,0,0),
- REGS_DEF(0,0,0),
- REGS_DEF(0,0,0),
- REGS_DEF(0,0,0),
- REGS_DEF(SCR0,SSR0,0x40),
- REGS_DEF(SCR0,SSR0,0x40),
- REGS_DEF(SCR0,SSR0,0x80),
- REGS_DEF(SCR0,SSR0,0x04),
- REGS_DEF(SCR1,SSR1,0x40),
- REGS_DEF(SCR1,SSR1,0x40),
- REGS_DEF(SCR1,SSR1,0x80),
- REGS_DEF(SCR1,SSR1,0x04),
- REGS_DEF(SCR2,SSR2,0x40),
- REGS_DEF(SCR2,SSR2,0x40),
- REGS_DEF(SCR2,SSR2,0x80),
- REGS_DEF(SCR2,SSR2,0x04)
-};
-
void enable_irq(unsigned int irq)
{
- unsigned char ier;
- const struct int_regs *regs=&interrupt_registers[irq - 12];
- if (irq == WDT_IRQ) {
- ier = ctrl_inb(TCSR);
- ier |= 0x20;
- ctrl_outb((0xa500 | ier),TCSR);
- } else {
- if ((irq > 12) && regs->ier) {
- ier = ctrl_inb(regs->ier);
- ier |= regs->mask;
- ctrl_outb(ier, regs->ier);
- } else
- panic("Unknown interrupt vector");
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ5) {
+ *(volatile unsigned char *)IER |= (1 << (irq - EXT_IRQ0));
+ *(volatile unsigned char *)ISR &= ~(1 << (irq - EXT_IRQ0));
}
}
void disable_irq(unsigned int irq)
{
- unsigned char ier;
- const struct int_regs *regs=&interrupt_registers[irq - 12];
- if (irq == WDT_IRQ) {
- ier = ctrl_inb(TCSR);
- ier &= ~0x20;
- ctrl_outb((0xa500 | ier),TCSR);
- } else {
- if ((irq > 12) && regs->ier) {
- ier = ctrl_inb(regs->ier);
- ier &= ~(regs->mask);
- ctrl_outb(ier, regs->ier);
- } else
- panic("Unknown interrupt vector");
+ if (irq >= EXT_IRQ0 && irq <= EXT_IRQ5) {
+ *(volatile unsigned char *)IER &= ~(1 << (irq - EXT_IRQ0));
}
}
-asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
+asmlinkage void process_int(int vec, struct pt_regs *fp)
{
irq_enter();
- if (irq_list[vec].handler) {
- irq_list[vec].handler(vec, irq_list[vec].dev_id, fp);
- int_irq_count[vec]++;
- } else
- panic("No interrupt handler for %ld\n", vec);
if (vec >= EXT_IRQ0 && vec <= EXT_IRQ5)
*(volatile unsigned char *)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();
}
@@ -240,8 +232,10 @@
int i;
for (i = 0; i < NR_IRQS; i++) {
- seq_printf(p, "%3d: %10u ",i,int_irq_count[i]);
- seq_printf(p, "%s\n", irq_list[i].devname);
+ 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;
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2003-07-28 14:18 [PATCH] linux-2.6.0-test2 h8300 archtecure support update (2/6) Yoshinori Sato
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