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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 11:39:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-28 11:39:19 -0800
commit81d6e59dabb1ae0c782e9eb7e3d88f699d25b314 (patch)
tree532afd14c119f1c95206ef0d23db9c4c26a0aa34 /arch/sh/kernel/sh_bios.c
parent4a6908a3a050aacc9c3a2f36b276b46c0629ad91 (diff)
parent59de580af1c2fd671b0cb27c41ff958859ae5288 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (132 commits) sh: oprofile: Fix up the module build. sh: add UIO support for JPU on SH7722. serial: sh-sci: Fix up port pinmux for SH7366. sh: mach-rsk: Use uImage generation by default for rsk7201/7203. sh: mach-sh03: Fix up pata_platform build breakage. sh: enable deferred io LCDC on Migo-R video: sh_mobile_lcdcfb deferred io support video: deferred io with physically contiguous memory video: deferred io cleanup video: fix deferred io fsync() sh: add LCDC interrupt configuration to AP325 and Migo-R sh_mobile_lcdc: use FB_SYS helpers instead of FB_CFB sh: split coherent pages sh: dma: Kill off ISA DMA wrapper. sh: Conditionalize the code dumper on CONFIG_DUMP_CODE. sh: Kill off the unused SH_ALPHANUMERIC debug option. sh: Enable skipping of bss on debug platforms for sh32 also. doc: Update sh cpufreq documentation. sh: mrshpc_setup_windows() needs to be inline. serial: sh-sci: sci_poll_get_char() is only used by CONFIG_CONSOLE_POLL. ...
Diffstat (limited to 'arch/sh/kernel/sh_bios.c')
-rw-r--r--arch/sh/kernel/sh_bios.c65
1 files changed, 23 insertions, 42 deletions
diff --git a/arch/sh/kernel/sh_bios.c b/arch/sh/kernel/sh_bios.c
index d1bcac4fa26..c852f780572 100644
--- a/arch/sh/kernel/sh_bios.c
+++ b/arch/sh/kernel/sh_bios.c
@@ -8,69 +8,50 @@
#include <linux/module.h>
#include <asm/sh_bios.h>
-#define BIOS_CALL_CONSOLE_WRITE 0
-#define BIOS_CALL_READ_BLOCK 1
+#define BIOS_CALL_CONSOLE_WRITE 0
#define BIOS_CALL_ETH_NODE_ADDR 10
#define BIOS_CALL_SHUTDOWN 11
-#define BIOS_CALL_CHAR_OUT 0x1f /* TODO: hack */
-#define BIOS_CALL_GDB_GET_MODE_PTR 0xfe
-#define BIOS_CALL_GDB_DETACH 0xff
+#define BIOS_CALL_CHAR_OUT 0x1f /* TODO: hack */
+#define BIOS_CALL_GDB_DETACH 0xff
-static __inline__ long sh_bios_call(long func, long arg0, long arg1, long arg2, long arg3)
+static inline long sh_bios_call(long func, long arg0, long arg1, long arg2,
+ long arg3)
{
- register long r0 __asm__("r0") = func;
- register long r4 __asm__("r4") = arg0;
- register long r5 __asm__("r5") = arg1;
- register long r6 __asm__("r6") = arg2;
- register long r7 __asm__("r7") = arg3;
- __asm__ __volatile__("trapa #0x3f"
- : "=z" (r0)
- : "0" (r0), "r" (r4), "r" (r5), "r" (r6), "r" (r7)
- : "memory");
- return r0;
+ register long r0 __asm__("r0") = func;
+ register long r4 __asm__("r4") = arg0;
+ register long r5 __asm__("r5") = arg1;
+ register long r6 __asm__("r6") = arg2;
+ register long r7 __asm__("r7") = arg3;
+
+ __asm__ __volatile__("trapa #0x3f":"=z"(r0)
+ :"0"(r0), "r"(r4), "r"(r5), "r"(r6), "r"(r7)
+ :"memory");
+ return r0;
}
-
void sh_bios_console_write(const char *buf, unsigned int len)
{
- sh_bios_call(BIOS_CALL_CONSOLE_WRITE, (long)buf, (long)len, 0, 0);
+ sh_bios_call(BIOS_CALL_CONSOLE_WRITE, (long)buf, (long)len, 0, 0);
}
-
void sh_bios_char_out(char ch)
{
- sh_bios_call(BIOS_CALL_CHAR_OUT, ch, 0, 0, 0);
-}
-
-
-int sh_bios_in_gdb_mode(void)
-{
- static char queried = 0;
- static char *gdb_mode_p = 0;
-
- if (!queried)
- {
- /* Query the gdb stub for address of its gdb mode variable */
- long r = sh_bios_call(BIOS_CALL_GDB_GET_MODE_PTR, 0, 0, 0, 0);
- if (r != ~0) /* BIOS returns -1 for unknown function */
- gdb_mode_p = (char *)r;
- queried = 1;
- }
- return (gdb_mode_p != 0 ? *gdb_mode_p : 0);
+ sh_bios_call(BIOS_CALL_CHAR_OUT, ch, 0, 0, 0);
}
void sh_bios_gdb_detach(void)
{
- sh_bios_call(BIOS_CALL_GDB_DETACH, 0, 0, 0, 0);
+ sh_bios_call(BIOS_CALL_GDB_DETACH, 0, 0, 0, 0);
}
-EXPORT_SYMBOL(sh_bios_gdb_detach);
+EXPORT_SYMBOL_GPL(sh_bios_gdb_detach);
-void sh_bios_get_node_addr (unsigned char *node_addr)
+void sh_bios_get_node_addr(unsigned char *node_addr)
{
- sh_bios_call(BIOS_CALL_ETH_NODE_ADDR, 0, (long)node_addr, 0, 0);
+ sh_bios_call(BIOS_CALL_ETH_NODE_ADDR, 0, (long)node_addr, 0, 0);
}
+EXPORT_SYMBOL_GPL(sh_bios_get_node_addr);
void sh_bios_shutdown(unsigned int how)
{
- sh_bios_call(BIOS_CALL_SHUTDOWN, how, 0, 0, 0);
+ sh_bios_call(BIOS_CALL_SHUTDOWN, how, 0, 0, 0);
}