diff options
Diffstat (limited to 'arch/arm/mach-shmobile/include/mach/zboot_macros.h')
-rw-r--r-- | arch/arm/mach-shmobile/include/mach/zboot_macros.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/zboot_macros.h b/arch/arm/mach-shmobile/include/mach/zboot_macros.h new file mode 100644 index 00000000000..aa6111fbc98 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/zboot_macros.h @@ -0,0 +1,65 @@ +#ifndef __ZBOOT_MACRO_H +#define __ZBOOT_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 + LDR r0, 1f + LDR r1, 2f + STR r1, [r0] + B 3f +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The EW command is used to write a 16-bit word */ +.macro EW, addr, data + LDR r0, 1f + LDR r1, 2f + STRH r1, [r0] + B 3f +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The EB command is used to write an 8-bit word */ +.macro EB, addr, data + LDR r0, 1f + LDR r1, 2f + STRB r1, [r0] + B 3f +1 : .long \addr +2 : .long \data +3 : +.endm + +/* The WAIT command is used to delay the execution */ +.macro WAIT, time, reg + LDR r1, 1f + LDR r0, 2f + STR r0, [r1] +10 : + LDR r0, [r1] + CMP r0, #0x00000000 + BNE 10b + NOP + B 3f +1 : .long \reg +2 : .long \time * 100 +3 : +.endm + +/* The DD command is used to read a 32-bit word */ +.macro DD, start, end + LDR r1, 1f + B 2f +1 : .long \start +2 : +.endm + +#endif /* __ZBOOT_MACRO_H */ |