diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sh/include/asm/romimage-macros.h |
Initial import
Diffstat (limited to 'arch/sh/include/asm/romimage-macros.h')
-rw-r--r-- | arch/sh/include/asm/romimage-macros.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/sh/include/asm/romimage-macros.h b/arch/sh/include/asm/romimage-macros.h new file mode 100644 index 000000000..ae17a150b --- /dev/null +++ b/arch/sh/include/asm/romimage-macros.h @@ -0,0 +1,73 @@ +#ifndef __ROMIMAGE_MACRO_H +#define __ROMIMAGE_MACRO_H + +/* The LIST command is used to include comments in the script */ +.macro LIST comment +.endm + +/* The ED command is used to write a 32-bit word */ +.macro ED, addr, data + mov.l 1f, r1 + mov.l 2f, r0 + mov.l r0, @r1 + bra 3f + nop + .align 2 +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The EW command is used to write a 16-bit word */ +.macro EW, addr, data + mov.l 1f, r1 + mov.l 2f, r0 + mov.w r0, @r1 + bra 3f + nop + .align 2 +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The EB command is used to write an 8-bit word */ +.macro EB, addr, data + mov.l 1f, r1 + mov.l 2f, r0 + mov.b r0, @r1 + bra 3f + nop + .align 2 +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The WAIT command is used to delay the execution */ +.macro WAIT, time + mov.l 2f, r3 +1 : + nop + tst r3, r3 + bf/s 1b + dt r3 + bra 3f + nop + .align 2 +2 : .long \time * 100 +3 : +.endm + +/* The DD command is used to read a 32-bit word */ +.macro DD, addr, addr2, nr + mov.l 1f, r1 + mov.l @r1, r0 + bra 2f + nop + .align 2 +1 : .long \addr +2 : +.endm + +#endif /* __ROMIMAGE_MACRO_H */ |