| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __ROMIMAGE_MACRO_H |
| 3 | #define __ROMIMAGE_MACRO_H |
| 4 | |
| 5 | /* The LIST command is used to include comments in the script */ |
| 6 | .macro LIST comment |
| 7 | .endm |
| 8 | |
| 9 | /* The ED command is used to write a 32-bit word */ |
| 10 | .macro ED, addr, data |
| 11 | mov.l 1f, r1 |
| 12 | mov.l 2f, r0 |
| 13 | mov.l r0, @r1 |
| 14 | bra 3f |
| 15 | nop |
| 16 | .align 2 |
| 17 | 1 : .long \addr |
| 18 | 2 : .long \data |
| 19 | 3 : |
| 20 | .endm |
| 21 | |
| 22 | /* The EW command is used to write a 16-bit word */ |
| 23 | .macro EW, addr, data |
| 24 | mov.l 1f, r1 |
| 25 | mov.l 2f, r0 |
| 26 | mov.w r0, @r1 |
| 27 | bra 3f |
| 28 | nop |
| 29 | .align 2 |
| 30 | 1 : .long \addr |
| 31 | 2 : .long \data |
| 32 | 3 : |
| 33 | .endm |
| 34 | |
| 35 | /* The EB command is used to write an 8-bit word */ |
| 36 | .macro EB, addr, data |
| 37 | mov.l 1f, r1 |
| 38 | mov.l 2f, r0 |
| 39 | mov.b r0, @r1 |
| 40 | bra 3f |
| 41 | nop |
| 42 | .align 2 |
| 43 | 1 : .long \addr |
| 44 | 2 : .long \data |
| 45 | 3 : |
| 46 | .endm |
| 47 | |
| 48 | /* The WAIT command is used to delay the execution */ |
| 49 | .macro WAIT, time |
| 50 | mov.l 2f, r3 |
| 51 | 1 : |
| 52 | nop |
| 53 | tst r3, r3 |
| 54 | bf/s 1b |
| 55 | dt r3 |
| 56 | bra 3f |
| 57 | nop |
| 58 | .align 2 |
| 59 | 2 : .long \time * 100 |
| 60 | 3 : |
| 61 | .endm |
| 62 | |
| 63 | /* The DD command is used to read a 32-bit word */ |
| 64 | .macro DD, addr, addr2, nr |
| 65 | mov.l 1f, r1 |
| 66 | mov.l @r1, r0 |
| 67 | bra 2f |
| 68 | nop |
| 69 | .align 2 |
| 70 | 1 : .long \addr |
| 71 | 2 : |
| 72 | .endm |
| 73 | |
| 74 | #endif /* __ROMIMAGE_MACRO_H */ |