diff options
Diffstat (limited to 'arch/h8300/platform/h8300h/generic/crt0_rom.S')
-rw-r--r-- | arch/h8300/platform/h8300h/generic/crt0_rom.S | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/h8300/platform/h8300h/generic/crt0_rom.S b/arch/h8300/platform/h8300h/generic/crt0_rom.S deleted file mode 100644 index dda1dfa15a5e..000000000000 --- a/arch/h8300/platform/h8300h/generic/crt0_rom.S +++ /dev/null | |||
@@ -1,122 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/h8300/platform/h8300h/generic/crt0_rom.S | ||
3 | * | ||
4 | * Yoshinori Sato <ysato@users.sourceforge.jp> | ||
5 | * | ||
6 | * Platform depend startup | ||
7 | * Target Archtecture: generic | ||
8 | * Memory Layout : ROM | ||
9 | */ | ||
10 | |||
11 | #define ASSEMBLY | ||
12 | |||
13 | #include <asm/linkage.h> | ||
14 | |||
15 | .global __start | ||
16 | .global __command_line | ||
17 | .global __platform_gpio_table | ||
18 | .global __target_name | ||
19 | |||
20 | .h8300h | ||
21 | .section .text | ||
22 | .file "crt0_rom.S" | ||
23 | |||
24 | /* CPU Reset entry */ | ||
25 | __start: | ||
26 | mov.l #__ramend,sp | ||
27 | ldc #0x80,ccr | ||
28 | |||
29 | /* Peripheral Setup */ | ||
30 | |||
31 | /* .bss clear */ | ||
32 | mov.l #__sbss,er5 | ||
33 | mov.l #__ebss,er4 | ||
34 | sub.l er5,er4 | ||
35 | shlr er4 | ||
36 | shlr er4 | ||
37 | sub.l er0,er0 | ||
38 | 1: | ||
39 | mov.l er0,@er5 | ||
40 | adds #4,er5 | ||
41 | dec.l #1,er4 | ||
42 | bne 1b | ||
43 | |||
44 | /* copy .data */ | ||
45 | #if !defined(CONFIG_H8300H_SIM) | ||
46 | /* copy .data */ | ||
47 | mov.l #__begin_data,er5 | ||
48 | mov.l #__sdata,er6 | ||
49 | mov.l #__edata,er4 | ||
50 | sub.l er6,er4 | ||
51 | shlr.l er4 | ||
52 | shlr.l er4 | ||
53 | 1: | ||
54 | mov.l @er5+,er0 | ||
55 | mov.l er0,@er6 | ||
56 | adds #4,er6 | ||
57 | dec.l #1,er4 | ||
58 | bne 1b | ||
59 | #endif | ||
60 | |||
61 | /* copy kernel commandline */ | ||
62 | mov.l #COMMAND_START,er5 | ||
63 | mov.l #__command_line,er6 | ||
64 | mov.w #512,r4 | ||
65 | eepmov.w | ||
66 | |||
67 | /* linux kernel start */ | ||
68 | ldc #0x90,ccr /* running kernel */ | ||
69 | mov.l #_init_thread_union,sp | ||
70 | add.l #0x2000,sp | ||
71 | jsr @_start_kernel | ||
72 | _exit: | ||
73 | |||
74 | jmp _exit | ||
75 | |||
76 | rts | ||
77 | |||
78 | /* I/O port assign information */ | ||
79 | __platform_gpio_table: | ||
80 | mov.l #gpio_table,er0 | ||
81 | rts | ||
82 | |||
83 | gpio_table: | ||
84 | ;; P1DDR | ||
85 | .byte 0x00,0x00 | ||
86 | ;; P2DDR | ||
87 | .byte 0x00,0x00 | ||
88 | ;; P3DDR | ||
89 | .byte 0x00,0x00 | ||
90 | ;; P4DDR | ||
91 | .byte 0x00,0x00 | ||
92 | ;; P5DDR | ||
93 | .byte 0x00,0x00 | ||
94 | ;; P6DDR | ||
95 | .byte 0x00,0x00 | ||
96 | ;; dummy | ||
97 | .byte 0x00,0x00 | ||
98 | ;; P8DDR | ||
99 | .byte 0x00,0x00 | ||
100 | ;; P9DDR | ||
101 | .byte 0x00,0x00 | ||
102 | ;; PADDR | ||
103 | .byte 0x00,0x00 | ||
104 | ;; PBDDR | ||
105 | .byte 0x00,0x00 | ||
106 | |||
107 | .section .rodata | ||
108 | __target_name: | ||
109 | .asciz "generic" | ||
110 | |||
111 | .section .bss | ||
112 | __command_line: | ||
113 | .space 512 | ||
114 | |||
115 | /* interrupt vector */ | ||
116 | .section .vectors,"ax" | ||
117 | .long __start | ||
118 | vector = 1 | ||
119 | .rept 64-1 | ||
120 | .long _interrupt_redirect_table+vector*4 | ||
121 | vector = vector + 1 | ||
122 | .endr | ||