Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* linux/include/asm-arm/arch-aaec2000/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (c) 2005 Nicolas Bellido Y Ortega
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 .macro addruart,rx
13 mrc p15, 0, \rx, c1, c0
14 tst \rx, #1 @ MMU enabled?
15 moveq \rx, #0x80000000 @ physical
16 movne \rx, #io_p2v(0x80000000) @ virtual
17 orr \rx, \rx, #0x00000800
18 .endm
19
20 .macro senduart,rd,rx
21 str \rd, [\rx, #0]
22 .endm
23
24 .macro busyuart,rd,rx
251002: ldr \rd, [\rx, #0x10]
26 tst \rd, #(1 << 7)
27 beq 1002b
28 .endm
29
30 .macro waituart,rd,rx
31#if 0
321001: ldr \rd, [\rx, #0x10]
33 tst \rd, #(1 << 5)
34 beq 1001b
35#endif
36 .endm