1 files changed, 133 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..1dab93ddb
--- /dev/null
+++ b/arch/m68k/include/asm/bootstd.h
@@ -0,0 +1,133 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* 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__ */