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swim: Define symbols for constants

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Define local symbols to give some meaning to anonymous constants.
No functional change.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Finn Thain <fthain@linux-m68k.org>
Tested-by: Stan Johnson <userm57@yahoo.com>
Link: https://patch.msgid.link/7eee06428905fd7ad60909d9b5726c15cde1b844.1788513997.git.fthain@linux-m68k.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Finn Thain 2026-09-04 19:26:36 +10:00 committed by Jens Axboe
parent d4b2519065
commit 75f47f0910
1 changed files with 14 additions and 10 deletions
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24
drivers/block/swim_asm.S
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@ -43,6 +43,10 @@
.equ sector_size, 512
.equ .Lmark_sequence_len, 4
.equ .Lmr_clear_fifo, 0x01
.equ .Lmr_action, 0x08
.equ .Lmr_write_action, 0x18
.equ .Lhr_crc_error, 0x02
.equ .Lhr_fifo_2bytes, 0x40
.equ .Lhr_fifo_1byte, 0x80
@ -95,11 +99,11 @@ sector_data_mark:
lea %a3@(read_data), %a5
lea %a3@(read_mark), %a3
moveb #0x18, %a3@(write_mode0 - read_mark)
moveb #0x01, %a3@(write_mode1 - read_mark)
moveb #0x01, %a3@(write_mode0 - read_mark)
moveb #.Lmr_write_action, %a3@(write_mode0 - read_mark)
moveb #.Lmr_clear_fifo, %a3@(write_mode1 - read_mark)
moveb #.Lmr_clear_fifo, %a3@(write_mode0 - read_mark)
tstb %a3@(read_error - read_mark)
moveb #0x08, %a3@(write_mode1 - read_mark)
moveb #.Lmr_action, %a3@(write_mode1 - read_mark)
lea sector_address_mark, %a1
moveq #.Lmark_sequence_len, %d4
@ -157,7 +161,7 @@ crc1: tstb %a2@
moveq #0, %d0
signal_nonyb:
moveb #0x18, %a3@(write_mode0 - read_mark)
moveb #.Lmr_write_action, %a3@(write_mode0 - read_mark)
rts
.global swim_read_sector_data
@ -177,11 +181,11 @@ mfm_read_data:
lea %a3@(read_data), %a5
lea %a3@(read_mark), %a3
moveb #0x18, %a3@(write_mode0 - read_mark)
moveb #0x01, %a3@(write_mode1 - read_mark)
moveb #0x01, %a3@(write_mode0 - read_mark)
moveb #.Lmr_write_action, %a3@(write_mode0 - read_mark)
moveb #.Lmr_clear_fifo, %a3@(write_mode1 - read_mark)
moveb #.Lmr_clear_fifo, %a3@(write_mode0 - read_mark)
tstb %a3@(read_error - read_mark)
moveb #0x08, %a3@(write_mode1 - read_mark)
moveb #.Lmr_action, %a3@(write_mode1 - read_mark)
lea sector_data_mark, %a1
moveq #.Lmark_sequence_len, %d4
@ -239,7 +243,7 @@ data_crc1:
subl %d4, %d0
data_exit:
moveb #0x18, %a3@(write_mode0 - read_mark)
moveb #.Lmr_write_action, %a3@(write_mode0 - read_mark)
rts
.Lmaybe_store: