diff options
| author | James Hogan <james.hogan@imgtec.com> | 2012-09-21 16:40:06 (GMT) |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2013-03-02 20:09:18 (GMT) |
| commit | 027f891f7640144d4b7b15113f3ae9af2c8b095d (patch) | |
| tree | cee318450f4782ca3a471f83ef3fd3557e8c3a9d /arch/metag/tbx/tbilogf.S | |
| parent | 4ca151b20803eb2e31bb6d840d01eec461158e14 (diff) | |
| download | linux-027f891f7640144d4b7b15113f3ae9af2c8b095d.tar.xz | |
metag: TBX source
Add source files from the Thread Binary Interface (TBI) library which
provides useful low level operations and traps/context management.
Among other things it handles interrupt/exception/syscall entry (in
tbipcx.S).
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Diffstat (limited to 'arch/metag/tbx/tbilogf.S')
| -rw-r--r-- | arch/metag/tbx/tbilogf.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/metag/tbx/tbilogf.S b/arch/metag/tbx/tbilogf.S new file mode 100644 index 0000000..4a34d80 --- /dev/null +++ b/arch/metag/tbx/tbilogf.S @@ -0,0 +1,48 @@ +/* + * tbilogf.S + * + * Copyright (C) 2001, 2002, 2007, 2012 Imagination Technologies. + * + * 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. + * + * Defines __TBILogF trap code for debugging messages and __TBICont for debug + * assert to be implemented on. + */ + + .file "tbilogf.S" + +/* + * Perform console printf using external debugger or host support + */ + .text + .balign 4 + .global ___TBILogF + .type ___TBILogF,function +___TBILogF: + MSETL [A0StP],D0Ar6,D0Ar4,D0Ar2 + SWITCH #0xC10020 + MOV D0Re0,#0 + SUB A0StP,A0StP,#24 + MOV PC,D1RtP + .size ___TBILogF,.-___TBILogF + +/* + * Perform wait for continue under control of the debugger + */ + .text + .balign 4 + .global ___TBICont + .type ___TBICont,function +___TBICont: + MOV D0Ar6,#1 + MSETL [A0StP],D0Ar6,D0Ar4,D0Ar2 + SWITCH #0xC30006 /* Returns if we are to continue */ + SUB A0StP,A0StP,#(8*3) + MOV PC,D1RtP /* Return */ + .size ___TBICont,.-___TBICont + +/* + * End of tbilogf.S + */ |