h8300: zImage fix

- stack fix
- configure base address

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>

diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile
index 87d03b7..d7bc3fa 100644 (file)
--- a/arch/h8300/boot/compressed/Makefile
+++ b/arch/h8300/boot/compressed/Makefile
@@ -14,11 +14,12 @@ OBJECTS = $(obj)/head.o $(obj)/misc.o
 # in order to suppress error message.
 #
 CONFIG_MEMORY_START     ?= 0x00400000
-CONFIG_BOOT_LINK_OFFSET ?= 0x00140000
+CONFIG_BOOT_LINK_OFFSET ?= 0x00280000
 IMAGE_OFFSET := $(shell printf "0x%08x" $$(($(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET))))
 
 LIBGCC := $(shell $(CROSS-COMPILE)$(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup $(obj)/vmlinux.lds
+LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup -T $(obj)/vmlinux.lds \
+       --defsym output=$(CONFIG_MEMORY_START)
 
 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
        $(call if_changed,ld)

diff --git a/arch/h8300/boot/compressed/head.S b/arch/h8300/boot/compressed/head.S
index 74c0d8c..0436350 100644 (file)
--- a/arch/h8300/boot/compressed/head.S
+++ b/arch/h8300/boot/compressed/head.S
@@ -9,8 +9,8 @@
        .section        .text..startup,"ax"
        .global startup
 startup:
+       mov.l   #startup, sp
        mov.l   er0, er4
-       mov.l   er0, sp
        mov.l   #__sbss, er0
        mov.l   #__ebss, er1
        sub.l   er0, er1
@@ -24,7 +24,7 @@ startup:
        bne     1b
        jsr     @decompress_kernel
        mov.l   er4, er0
-       jmp     @0x400000
+       jmp     @output
 
        .align  9
 fake_headers_as_bzImage:

diff --git a/arch/h8300/boot/compressed/misc.c b/arch/h8300/boot/compressed/misc.c
index c4f2cfc..6029c53 100644 (file)
--- a/arch/h8300/boot/compressed/misc.c
+++ b/arch/h8300/boot/compressed/misc.c
@@ -28,7 +28,7 @@ static unsigned long free_mem_end_ptr;
 
 extern char input_data[];
 extern int input_len;
-static unsigned char *output;
+extern char output[];
 
 #define HEAP_SIZE             0x10000
 
@@ -56,15 +56,10 @@ void *memcpy(void *dest, const void *src, size_t n)
 
 static void error(char *x)
 {
-
        while (1)
                ;       /* Halt */
 }
 
-#define STACK_SIZE (4096)
-long user_stack[STACK_SIZE];
-long *stack_start = &user_stack[STACK_SIZE];
-
 void decompress_kernel(void)
 {
        free_mem_ptr = (unsigned long)&_end;

diff --git a/arch/h8300/boot/compressed/vmlinux.lds b/arch/h8300/boot/compressed/vmlinux.lds
index a0a3a0e..44fd209 100644 (file)
--- a/arch/h8300/boot/compressed/vmlinux.lds
+++ b/arch/h8300/boot/compressed/vmlinux.lds
@@ -27,6 +27,6 @@ SECTIONS
                 *(.bss*)
         . = ALIGN(0x4) ;
         __ebss = . ;
-        __end = . ;
         }
+        _end = . ;
 }