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authorGraeme Russ <graeme.russ@gmail.com>2011-02-12 15:11:24 +1100
committerGraeme Russ <graeme.russ@gmail.com>2011-02-12 15:11:24 +1100
commit3a25e944101aa5d042ac2d20f2f6ce02f300faad (patch)
tree2e62ef9ca7f8413db95d857d128c978b47ac3644 /arch/i386/lib
parentfde59123666dbd13fa230286253daee00bafba3f (diff)
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x86: Parametize values used in linker script
Diffstat (limited to 'arch/i386/lib')
-rw-r--r--arch/i386/lib/realmode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/i386/lib/realmode.c b/arch/i386/lib/realmode.c
index 60fe181..2dda95b 100644
--- a/arch/i386/lib/realmode.c
+++ b/arch/i386/lib/realmode.c
@@ -27,7 +27,6 @@
#include <asm/realmode.h>
-#define REALMODE_BASE ((char*)0x7c0)
#define REALMODE_MAILBOX ((char*)0xe00)
@@ -41,13 +40,14 @@ int realmode_setup(void)
ulong realmode_size = (ulong)&__realmode_size;
/* copy the realmode switch code */
- if (realmode_size > (REALMODE_MAILBOX-REALMODE_BASE)) {
+ if (realmode_size > (REALMODE_MAILBOX - (char *)REALMODE_BASE)) {
printf("realmode switch too large (%ld bytes, max is %d)\n",
- realmode_size, (REALMODE_MAILBOX-REALMODE_BASE));
+ realmode_size,
+ (REALMODE_MAILBOX - (char *)REALMODE_BASE));
return -1;
}
- memcpy(REALMODE_BASE, (void*)realmode_start, realmode_size);
+ memcpy((char *)REALMODE_BASE, (void *)realmode_start, realmode_size);
asm("wbinvd\n");
return 0;