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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/m68k/include/asm/bootstd.h
Initial import
Diffstat (limited to 'arch/m68k/include/asm/bootstd.h')
-rw-r--r--arch/m68k/include/asm/bootstd.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/bootstd.h b/arch/m68k/include/asm/bootstd.h
new file mode 100644
index 000000000..e518f5a57
--- /dev/null
+++ b/arch/m68k/include/asm/bootstd.h
@@ -0,0 +1,132 @@
+/* bootstd.h: Bootloader system call interface
+ *
+ * (c) 1999, Rt-Control, Inc.
+ */
+
+#ifndef __BOOTSTD_H__
+#define __BOOTSTD_H__
+
+#define NR_BSC 21 /* last used bootloader system call */
+
+#define __BN_reset 0 /* reset and start the bootloader */
+#define __BN_test 1 /* tests the system call interface */
+#define __BN_exec 2 /* executes a bootloader image */
+#define __BN_exit 3 /* terminates a bootloader image */
+#define __BN_program 4 /* program FLASH from a chain */
+#define __BN_erase 5 /* erase sector(s) of FLASH */
+#define __BN_open 6
+#define __BN_write 7
+#define __BN_read 8
+#define __BN_close 9
+#define __BN_mmap 10 /* map a file descriptor into memory */
+#define __BN_munmap 11 /* remove a file to memory mapping */
+#define __BN_gethwaddr 12 /* get the hardware address of my interfaces */
+#define __BN_getserialnum 13 /* get the serial number of this board */
+#define __BN_getbenv 14 /* get a bootloader envvar */
+#define __BN_setbenv 15 /* get a bootloader envvar */
+#define __BN_setpmask 16 /* set the protection mask */
+#define __BN_readenv 17 /* read environment variables */
+#define __BN_flash_chattr_range 18
+#define __BN_flash_erase_range 19
+#define __BN_flash_write_range 20
+
+/* Calling conventions compatible to (uC)linux/68k
+ * We use similar macros to call into the bootloader as for uClinux
+ */
+
+#define __bsc_return(type, res) \
+do { \
+ if ((unsigned long)(res) >= (unsigned long)(-64)) { \
+ /* let errno be a function, preserve res in %d0 */ \
+ int __err = -(res); \
+ errno = __err; \
+ res = -1; \
+ } \
+ return (type)(res); \
+} while (0)
+
+#define _bsc0(type,name) \
+type name(void) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#define _bsc1(type,name,atype,a) \
+type name(atype a) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ register long __a __asm__ ("%d1") = (long)a; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res), "d" (__a) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#define _bsc2(type,name,atype,a,btype,b) \
+type name(atype a, btype b) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ register long __a __asm__ ("%d1") = (long)a; \
+ register long __b __asm__ ("%d2") = (long)b; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#define _bsc3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a, btype b, ctype c) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ register long __a __asm__ ("%d1") = (long)a; \
+ register long __b __asm__ ("%d2") = (long)b; \
+ register long __c __asm__ ("%d3") = (long)c; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#define _bsc4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
+type name(atype a, btype b, ctype c, dtype d) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ register long __a __asm__ ("%d1") = (long)a; \
+ register long __b __asm__ ("%d2") = (long)b; \
+ register long __c __asm__ ("%d3") = (long)c; \
+ register long __d __asm__ ("%d4") = (long)d; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#define _bsc5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
+type name(atype a, btype b, ctype c, dtype d, etype e) \
+{ \
+ register long __res __asm__ ("%d0") = __BN_##name; \
+ register long __a __asm__ ("%d1") = (long)a; \
+ register long __b __asm__ ("%d2") = (long)b; \
+ register long __c __asm__ ("%d3") = (long)c; \
+ register long __d __asm__ ("%d4") = (long)d; \
+ register long __e __asm__ ("%d5") = (long)e; \
+ __asm__ __volatile__ ("trap #2" \
+ : "=g" (__res) \
+ : "0" (__res), "d" (__a), "d" (__b), \
+ "d" (__c), "d" (__d), "d" (__e) \
+ ); \
+ __bsc_return(type,__res); \
+}
+
+#endif /* __BOOTSTD_H__ */