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Diffstat (limited to 'arch/sh/kernel/sh_bios.c')
-rw-r--r--arch/sh/kernel/sh_bios.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/sh/kernel/sh_bios.c b/arch/sh/kernel/sh_bios.c
index ae64e6df2957..c852f7805728 100644
--- a/arch/sh/kernel/sh_bios.c
+++ b/arch/sh/kernel/sh_bios.c
@@ -9,11 +9,9 @@
9#include <asm/sh_bios.h> 9#include <asm/sh_bios.h>
10 10
11#define BIOS_CALL_CONSOLE_WRITE 0 11#define BIOS_CALL_CONSOLE_WRITE 0
12#define BIOS_CALL_READ_BLOCK 1
13#define BIOS_CALL_ETH_NODE_ADDR 10 12#define BIOS_CALL_ETH_NODE_ADDR 10
14#define BIOS_CALL_SHUTDOWN 11 13#define BIOS_CALL_SHUTDOWN 11
15#define BIOS_CALL_CHAR_OUT 0x1f /* TODO: hack */ 14#define BIOS_CALL_CHAR_OUT 0x1f /* TODO: hack */
16#define BIOS_CALL_GDB_GET_MODE_PTR 0xfe
17#define BIOS_CALL_GDB_DETACH 0xff 15#define BIOS_CALL_GDB_DETACH 0xff
18 16
19static inline long sh_bios_call(long func, long arg0, long arg1, long arg2, 17static inline long sh_bios_call(long func, long arg0, long arg1, long arg2,
@@ -41,21 +39,6 @@ void sh_bios_char_out(char ch)
41 sh_bios_call(BIOS_CALL_CHAR_OUT, ch, 0, 0, 0); 39 sh_bios_call(BIOS_CALL_CHAR_OUT, ch, 0, 0, 0);
42} 40}
43 41
44int sh_bios_in_gdb_mode(void)
45{
46 static char queried = 0;
47 static char *gdb_mode_p = 0;
48
49 if (!queried) {
50 /* Query the gdb stub for address of its gdb mode variable */
51 long r = sh_bios_call(BIOS_CALL_GDB_GET_MODE_PTR, 0, 0, 0, 0);
52 if (r != ~0) /* BIOS returns -1 for unknown function */
53 gdb_mode_p = (char *)r;
54 queried = 1;
55 }
56 return (gdb_mode_p != 0 ? *gdb_mode_p : 0);
57}
58
59void sh_bios_gdb_detach(void) 42void sh_bios_gdb_detach(void)
60{ 43{
61 sh_bios_call(BIOS_CALL_GDB_DETACH, 0, 0, 0, 0); 44 sh_bios_call(BIOS_CALL_GDB_DETACH, 0, 0, 0, 0);