diff options
Diffstat (limited to 'firmware/target/arm/tms320dm320/dsp/arm.c')
-rw-r--r-- | firmware/target/arm/tms320dm320/dsp/arm.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/target/arm/tms320dm320/dsp/arm.c b/firmware/target/arm/tms320dm320/dsp/arm.c new file mode 100644 index 0000000000..eedff7d439 --- /dev/null +++ b/firmware/target/arm/tms320dm320/dsp/arm.c | |||
@@ -0,0 +1,49 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2008 by Catalin Patulea | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #include <stdio.h> | ||
21 | #include "arm.h" | ||
22 | #include "registers.h" | ||
23 | #include "ipc.h" | ||
24 | |||
25 | volatile struct ipc_message status; | ||
26 | |||
27 | volatile int acked; | ||
28 | interrupt void handle_int0(void) { | ||
29 | IFR = 1; | ||
30 | acked = 1; | ||
31 | } | ||
32 | |||
33 | void debugf(const char *fmt, ...) { | ||
34 | va_list args; | ||
35 | va_start(args, fmt); | ||
36 | status.msg = MSG_DEBUGF; | ||
37 | vsnprintf((char *)status.payload.debugf.buffer, sizeof(status), fmt, args); | ||
38 | va_end(args); | ||
39 | |||
40 | /* Wait until ARM has picked up data. */ | ||
41 | acked = 0; | ||
42 | int_arm(); | ||
43 | while (!acked) { | ||
44 | /* IDLE alone never seems to wake up :( */ | ||
45 | asm(" IDLE 1"); | ||
46 | asm(" NOP"); | ||
47 | } | ||
48 | acked = 2; | ||
49 | } | ||