mirror of https://gitee.com/openkylin/linux.git
91 lines
1.5 KiB
ArmAsm
91 lines
1.5 KiB
ArmAsm
|
/*
|
||
|
|
* arch/arm/include/debug/icedcc.S
|
||
|
|
*
|
||
|
|
* Copyright (C) 1994-1999 Russell King
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
@@ debug using ARM EmbeddedICE DCC channel
|
||
|
|
|
||
|
|
.macro addruart, rp, rv, tmp
|
||
|
|
.endm
|
||
|
|
|
||
|
|
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
|
||
|
|
|
||
|
|
.macro senduart, rd, rx
|
||
|
|
mcr p14, 0, \rd, c0, c5, 0
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart, rd, rx
|
||
|
|
1001:
|
||
|
|
mrc p14, 0, \rx, c0, c1, 0
|
||
|
|
tst \rx, #0x20000000
|
||
|
|
beq 1001b
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituart, rd, rx
|
||
|
|
mov \rd, #0x2000000
|
||
|
|
1001:
|
||
|
|
subs \rd, \rd, #1
|
||
|
|
bmi 1002f
|
||
|
|
mrc p14, 0, \rx, c0, c1, 0
|
||
|
|
tst \rx, #0x20000000
|
||
|
|
bne 1001b
|
||
|
|
1002:
|
||
|
|
.endm
|
||
|
|
|
||
|
|
#elif defined(CONFIG_CPU_XSCALE)
|
||
|
|
|
||
|
|
.macro senduart, rd, rx
|
||
|
|
mcr p14, 0, \rd, c8, c0, 0
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart, rd, rx
|
||
|
|
1001:
|
||
|
|
mrc p14, 0, \rx, c14, c0, 0
|
||
|
|
tst \rx, #0x10000000
|
||
|
|
beq 1001b
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituart, rd, rx
|
||
|
|
mov \rd, #0x10000000
|
||
|
|
1001:
|
||
|
|
subs \rd, \rd, #1
|
||
|
|
bmi 1002f
|
||
|
|
mrc p14, 0, \rx, c14, c0, 0
|
||
|
|
tst \rx, #0x10000000
|
||
|
|
bne 1001b
|
||
|
|
1002:
|
||
|
|
.endm
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
.macro senduart, rd, rx
|
||
|
|
mcr p14, 0, \rd, c1, c0, 0
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro busyuart, rd, rx
|
||
|
|
1001:
|
||
|
|
mrc p14, 0, \rx, c0, c0, 0
|
||
|
|
tst \rx, #2
|
||
|
|
beq 1001b
|
||
|
|
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro waituart, rd, rx
|
||
|
|
mov \rd, #0x2000000
|
||
|
|
1001:
|
||
|
|
subs \rd, \rd, #1
|
||
|
|
bmi 1002f
|
||
|
|
mrc p14, 0, \rx, c0, c0, 0
|
||
|
|
tst \rx, #2
|
||
|
|
bne 1001b
|
||
|
|
1002:
|
||
|
|
.endm
|
||
|
|
|
||
|
|
#endif /* CONFIG_CPU_V6 */
|