diff options
Diffstat (limited to 'arch/m68k/include/asm/bootstd.h')
-rw-r--r-- | arch/m68k/include/asm/bootstd.h | 132 |
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 000000000000..bdc1a4ac4fe9 --- /dev/null +++ b/arch/m68k/include/asm/bootstd.h | |||
@@ -0,0 +1,132 @@ | |||
1 | /* bootstd.h: Bootloader system call interface | ||
2 | * | ||
3 | * (c) 1999, Rt-Control, Inc. | ||
4 | */ | ||
5 | |||
6 | #ifndef __BOOTSTD_H__ | ||
7 | #define __BOOTSTD_H__ | ||
8 | |||
9 | #define NR_BSC 21 /* last used bootloader system call */ | ||
10 | |||
11 | #define __BN_reset 0 /* reset and start the bootloader */ | ||
12 | #define __BN_test 1 /* tests the system call interface */ | ||
13 | #define __BN_exec 2 /* executes a bootloader image */ | ||
14 | #define __BN_exit 3 /* terminates a bootloader image */ | ||
15 | #define __BN_program 4 /* program FLASH from a chain */ | ||
16 | #define __BN_erase 5 /* erase sector(s) of FLASH */ | ||
17 | #define __BN_open 6 | ||
18 | #define __BN_write 7 | ||
19 | #define __BN_read 8 | ||
20 | #define __BN_close 9 | ||
21 | #define __BN_mmap 10 /* map a file descriptor into memory */ | ||
22 | #define __BN_munmap 11 /* remove a file to memory mapping */ | ||
23 | #define __BN_gethwaddr 12 /* get the hardware address of my interfaces */ | ||
24 | #define __BN_getserialnum 13 /* get the serial number of this board */ | ||
25 | #define __BN_getbenv 14 /* get a bootloader envvar */ | ||
26 | #define __BN_setbenv 15 /* get a bootloader envvar */ | ||
27 | #define __BN_setpmask 16 /* set the protection mask */ | ||
28 | #define __BN_readenv 17 /* read environment variables */ | ||
29 | #define __BN_flash_chattr_range 18 | ||
30 | #define __BN_flash_erase_range 19 | ||
31 | #define __BN_flash_write_range 20 | ||
32 | |||
33 | /* Calling conventions compatible to (uC)linux/68k | ||
34 | * We use simmilar macros to call into the bootloader as for uClinux | ||
35 | */ | ||
36 | |||
37 | #define __bsc_return(type, res) \ | ||
38 | do { \ | ||
39 | if ((unsigned long)(res) >= (unsigned long)(-64)) { \ | ||
40 | /* let errno be a function, preserve res in %d0 */ \ | ||
41 | int __err = -(res); \ | ||
42 | errno = __err; \ | ||
43 | res = -1; \ | ||
44 | } \ | ||
45 | return (type)(res); \ | ||
46 | } while (0) | ||
47 | |||
48 | #define _bsc0(type,name) \ | ||
49 | type name(void) \ | ||
50 | { \ | ||
51 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
52 | __asm__ __volatile__ ("trap #2" \ | ||
53 | : "=g" (__res) \ | ||
54 | : "0" (__res) \ | ||
55 | ); \ | ||
56 | __bsc_return(type,__res); \ | ||
57 | } | ||
58 | |||
59 | #define _bsc1(type,name,atype,a) \ | ||
60 | type name(atype a) \ | ||
61 | { \ | ||
62 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
63 | register long __a __asm__ ("%d1") = (long)a; \ | ||
64 | __asm__ __volatile__ ("trap #2" \ | ||
65 | : "=g" (__res) \ | ||
66 | : "0" (__res), "d" (__a) \ | ||
67 | ); \ | ||
68 | __bsc_return(type,__res); \ | ||
69 | } | ||
70 | |||
71 | #define _bsc2(type,name,atype,a,btype,b) \ | ||
72 | type name(atype a, btype b) \ | ||
73 | { \ | ||
74 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
75 | register long __a __asm__ ("%d1") = (long)a; \ | ||
76 | register long __b __asm__ ("%d2") = (long)b; \ | ||
77 | __asm__ __volatile__ ("trap #2" \ | ||
78 | : "=g" (__res) \ | ||
79 | : "0" (__res), "d" (__a), "d" (__b) \ | ||
80 | ); \ | ||
81 | __bsc_return(type,__res); \ | ||
82 | } | ||
83 | |||
84 | #define _bsc3(type,name,atype,a,btype,b,ctype,c) \ | ||
85 | type name(atype a, btype b, ctype c) \ | ||
86 | { \ | ||
87 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
88 | register long __a __asm__ ("%d1") = (long)a; \ | ||
89 | register long __b __asm__ ("%d2") = (long)b; \ | ||
90 | register long __c __asm__ ("%d3") = (long)c; \ | ||
91 | __asm__ __volatile__ ("trap #2" \ | ||
92 | : "=g" (__res) \ | ||
93 | : "0" (__res), "d" (__a), "d" (__b), \ | ||
94 | "d" (__c) \ | ||
95 | ); \ | ||
96 | __bsc_return(type,__res); \ | ||
97 | } | ||
98 | |||
99 | #define _bsc4(type,name,atype,a,btype,b,ctype,c,dtype,d) \ | ||
100 | type name(atype a, btype b, ctype c, dtype d) \ | ||
101 | { \ | ||
102 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
103 | register long __a __asm__ ("%d1") = (long)a; \ | ||
104 | register long __b __asm__ ("%d2") = (long)b; \ | ||
105 | register long __c __asm__ ("%d3") = (long)c; \ | ||
106 | register long __d __asm__ ("%d4") = (long)d; \ | ||
107 | __asm__ __volatile__ ("trap #2" \ | ||
108 | : "=g" (__res) \ | ||
109 | : "0" (__res), "d" (__a), "d" (__b), \ | ||
110 | "d" (__c), "d" (__d) \ | ||
111 | ); \ | ||
112 | __bsc_return(type,__res); \ | ||
113 | } | ||
114 | |||
115 | #define _bsc5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \ | ||
116 | type name(atype a, btype b, ctype c, dtype d, etype e) \ | ||
117 | { \ | ||
118 | register long __res __asm__ ("%d0") = __BN_##name; \ | ||
119 | register long __a __asm__ ("%d1") = (long)a; \ | ||
120 | register long __b __asm__ ("%d2") = (long)b; \ | ||
121 | register long __c __asm__ ("%d3") = (long)c; \ | ||
122 | register long __d __asm__ ("%d4") = (long)d; \ | ||
123 | register long __e __asm__ ("%d5") = (long)e; \ | ||
124 | __asm__ __volatile__ ("trap #2" \ | ||
125 | : "=g" (__res) \ | ||
126 | : "0" (__res), "d" (__a), "d" (__b), \ | ||
127 | "d" (__c), "d" (__d), "d" (__e) \ | ||
128 | ); \ | ||
129 | __bsc_return(type,__res); \ | ||
130 | } | ||
131 | |||
132 | #endif /* __BOOTSTD_H__ */ | ||