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Diffstat (limited to 'arch/sh/kernel/setup.c')
-rw-r--r--arch/sh/kernel/setup.c46
1 files changed, 13 insertions, 33 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index b749403f6b3..0b8c45d53a4 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -32,12 +32,6 @@
#include <asm/clock.h>
#include <asm/mmu_context.h>
-extern void * __rd_start, * __rd_end;
-
-/*
- * Machine setup..
- */
-
/*
* Initialize loops_per_jiffy as 10000000 (1000MIPS).
* This value will be used at the very early stage of serial setup.
@@ -63,33 +57,25 @@ struct screen_info screen_info;
extern int root_mountflags;
-/*
- * This is set up by the setup-routine at boot-time
- */
-#define PARAM ((unsigned char *)empty_zero_page)
-
-#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000))
-#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004))
-#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008))
-#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c))
-#define INITRD_START (*(unsigned long *) (PARAM+0x010))
-#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014))
-/* ... */
-#define COMMAND_LINE ((char *) (PARAM+0x100))
-
#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, };
-static struct resource code_resource = { .name = "Kernel code", };
-static struct resource data_resource = { .name = "Kernel data", };
+static struct resource code_resource = {
+ .name = "Kernel code",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
+
+static struct resource data_resource = {
+ .name = "Kernel data",
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM,
+};
unsigned long memory_start;
EXPORT_SYMBOL(memory_start);
-
-unsigned long memory_end;
+unsigned long memory_end = 0;
EXPORT_SYMBOL(memory_end);
static int __init early_parse_mem(char *p)
@@ -195,14 +181,7 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_BLK_DEV_INITRD
- ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
- if (&__rd_start != &__rd_end) {
- LOADER_TYPE = 1;
- INITRD_START = PHYSADDR((unsigned long)&__rd_start) -
- __MEMORY_START;
- INITRD_SIZE = (unsigned long)&__rd_end -
- (unsigned long)&__rd_start;
- }
+ ROOT_DEV = Root_RAM0;
if (LOADER_TYPE && INITRD_START) {
if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
@@ -265,7 +244,8 @@ void __init setup_arch(char **cmdline_p)
data_resource.end = virt_to_phys(_edata)-1;
memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START;
- memory_end = memory_start + __MEMORY_SIZE;
+ if (!memory_end)
+ memory_end = memory_start + __MEMORY_SIZE;
#ifdef CONFIG_CMDLINE_BOOL
strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line));