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authorRalf Baechle <ralf@linux-mips.org>1997-07-29 03:58:24 +0000
committerRalf Baechle <ralf@linux-mips.org>1997-07-29 03:58:24 +0000
commit1c5c0c934f91fbce2825acbb849e98781e774c1d (patch)
tree12b5ae03516d4103bc070e4579ae1f7f71c27d24 /arch/i386/kernel/setup.c
parent4fe70c31de87823ac9e804f4795589ba74dc6971 (diff)
Merge with 2.1.47. Some more cleanup and module fixes.
Diffstat (limited to 'arch/i386/kernel/setup.c')
-rw-r--r--arch/i386/kernel/setup.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 4dd8edf76..d4800f987 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -92,6 +92,9 @@ extern char empty_zero_page[PAGE_SIZE];
*/
#define PARAM empty_zero_page
#define EXT_MEM_K (*(unsigned short *) (PARAM+2))
+#ifndef STANDARD_MEMORY_BIOS_CALL
+#define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0))
+#endif
#ifdef CONFIG_APM
#define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+64))
#endif
@@ -120,6 +123,7 @@ __initfunc(void setup_arch(char **cmdline_p,
unsigned long * memory_start_p, unsigned long * memory_end_p))
{
unsigned long memory_start, memory_end;
+ unsigned long memory_alt_end;
char c = ' ', *to = command_line, *from = COMMAND_LINE;
int len = 0;
static unsigned char smptrap=0;
@@ -143,10 +147,15 @@ __initfunc(void setup_arch(char **cmdline_p,
BIOS_revision = SYS_DESC_TABLE.table[2];
}
aux_device_present = AUX_DEVICE_INFO;
-#ifdef STANDARD_MEMORY_BIOS_CALL
memory_end = (1<<20) + (EXT_MEM_K<<10);
-#else
- memory_end = (1<<20) + (EXT_MEM_K*64L*1024L); /* 64kb chunks */
+#ifndef STANDARD_MEMORY_BIOS_CALL
+ memory_alt_end = (1<<20) + (ALT_MEM_K<<10);
+ if (memory_alt_end > memory_end) {
+ printk("Memory: sized by int13 0e801h\n");
+ memory_end = memory_alt_end;
+ }
+ else
+ printk("Memory: sized by int13 088h\n");
#endif
memory_end &= PAGE_MASK;
#ifdef CONFIG_BLK_DEV_RAM