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authorJesper Nilsson <jesper.nilsson@axis.com>2008-01-25 11:57:28 -0500
committerJesper Nilsson <jesper.nilsson@axis.com>2008-02-08 05:06:36 -0500
commitea0af95b1c7e17541365b555a43f5e8d51ef3dff (patch)
tree4240ba2fb23239520279ec4539bbf2192e9b3ae5 /arch/cris/arch-v32
parentea402db97f8f9e2cfe646faf1c9d473d9f9044d1 (diff)
CRIS v32: Change lib/spinlock.S to use byte operations instead of dwords.
Diffstat (limited to 'arch/cris/arch-v32')
-rw-r--r--arch/cris/arch-v32/kernel/vcs_hook.c96
-rw-r--r--arch/cris/arch-v32/kernel/vcs_hook.h42
-rw-r--r--arch/cris/arch-v32/lib/spinlock.S10
3 files changed, 5 insertions, 143 deletions
diff --git a/arch/cris/arch-v32/kernel/vcs_hook.c b/arch/cris/arch-v32/kernel/vcs_hook.c
deleted file mode 100644
index 64d71c54c22c..000000000000
--- a/arch/cris/arch-v32/kernel/vcs_hook.c
+++ /dev/null
@@ -1,96 +0,0 @@
1// $Id: vcs_hook.c,v 1.2 2003/08/12 12:01:06 starvik Exp $
2//
3// Call simulator hook. This is the part running in the
4// simulated program.
5//
6
7#include "vcs_hook.h"
8#include <stdarg.h>
9#include <asm/arch-v32/hwregs/reg_map.h>
10#include <asm/arch-v32/hwregs/intr_vect_defs.h>
11
12#define HOOK_TRIG_ADDR 0xb7000000 /* hook cvlog model reg address */
13#define HOOK_MEM_BASE_ADDR 0xa0000000 /* csp4 (shared mem) base addr */
14
15#define HOOK_DATA(offset) ((unsigned*) HOOK_MEM_BASE_ADDR)[offset]
16#define VHOOK_DATA(offset) ((volatile unsigned*) HOOK_MEM_BASE_ADDR)[offset]
17#define HOOK_TRIG(funcid) do { *((unsigned *) HOOK_TRIG_ADDR) = funcid; } while(0)
18#define HOOK_DATA_BYTE(offset) ((unsigned char*) HOOK_MEM_BASE_ADDR)[offset]
19
20
21// ------------------------------------------------------------------ hook_call
22int hook_call( unsigned id, unsigned pcnt, ...) {
23 va_list ap;
24 unsigned i;
25 unsigned ret;
26#ifdef USING_SOS
27 PREEMPT_OFF_SAVE();
28#endif
29
30 // pass parameters
31 HOOK_DATA(0) = id;
32
33 /* Have to make hook_print_str a special case since we call with a
34 parameter of byte type. Should perhaps be a separate
35 hook_call. */
36
37 if (id == hook_print_str) {
38 int i;
39 char *str;
40
41 HOOK_DATA(1) = pcnt;
42
43 va_start(ap, pcnt);
44 str = (char*)va_arg(ap,unsigned);
45
46 for (i=0; i!=pcnt; i++) {
47 HOOK_DATA_BYTE(8+i) = str[i];
48 }
49 HOOK_DATA_BYTE(8+i) = 0; /* null byte */
50 }
51 else {
52 va_start(ap, pcnt);
53 for( i = 1; i <= pcnt; i++ ) HOOK_DATA(i) = va_arg(ap,unsigned);
54 va_end(ap);
55 }
56
57 // read from mem to make sure data has propagated to memory before trigging
58 *((volatile unsigned*) HOOK_MEM_BASE_ADDR);
59
60 // trigger hook
61 HOOK_TRIG(id);
62
63 // wait for call to finish
64 while( VHOOK_DATA(0) > 0 ) {}
65
66 // extract return value
67
68 ret = VHOOK_DATA(1);
69
70#ifdef USING_SOS
71 PREEMPT_RESTORE();
72#endif
73 return ret;
74}
75
76unsigned
77hook_buf(unsigned i)
78{
79 return (HOOK_DATA(i));
80}
81
82void print_str( const char *str ) {
83 int i;
84 for (i=1; str[i]; i++); /* find null at end of string */
85 hook_call(hook_print_str, i, str);
86}
87
88// --------------------------------------------------------------- CPU_KICK_DOG
89void CPU_KICK_DOG(void) {
90 (void) hook_call( hook_kick_dog, 0 );
91}
92
93// ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT
94void CPU_WATCHDOG_TIMEOUT( unsigned t ) {
95 (void) hook_call( hook_dog_timeout, 1, t );
96}
diff --git a/arch/cris/arch-v32/kernel/vcs_hook.h b/arch/cris/arch-v32/kernel/vcs_hook.h
deleted file mode 100644
index 7d73709e3cc6..000000000000
--- a/arch/cris/arch-v32/kernel/vcs_hook.h
+++ /dev/null
@@ -1,42 +0,0 @@
1// $Id: vcs_hook.h,v 1.1 2003/08/12 12:01:06 starvik Exp $
2//
3// Call simulator hook functions
4
5#ifndef HOOK_H
6#define HOOK_H
7
8int hook_call( unsigned id, unsigned pcnt, ...);
9
10enum hook_ids {
11 hook_debug_on = 1,
12 hook_debug_off,
13 hook_stop_sim_ok,
14 hook_stop_sim_fail,
15 hook_alloc_shared,
16 hook_ptr_shared,
17 hook_free_shared,
18 hook_file2shared,
19 hook_cmp_shared,
20 hook_print_params,
21 hook_sim_time,
22 hook_stop_sim,
23 hook_kick_dog,
24 hook_dog_timeout,
25 hook_rand,
26 hook_srand,
27 hook_rand_range,
28 hook_print_str,
29 hook_print_hex,
30 hook_cmp_offset_shared,
31 hook_fill_random_shared,
32 hook_alloc_random_data,
33 hook_calloc_random_data,
34 hook_print_int,
35 hook_print_uint,
36 hook_fputc,
37 hook_init_fd,
38 hook_sbrk
39
40};
41
42#endif
diff --git a/arch/cris/arch-v32/lib/spinlock.S b/arch/cris/arch-v32/lib/spinlock.S
index 2437ae7f6ed2..79087ef59a1c 100644
--- a/arch/cris/arch-v32/lib/spinlock.S
+++ b/arch/cris/arch-v32/lib/spinlock.S
@@ -12,11 +12,11 @@
12 12
13cris_spin_lock: 13cris_spin_lock:
14 clearf p 14 clearf p
151: test.d [$r10] 151: test.b [$r10]
16 beq 1b 16 beq 1b
17 clearf p 17 clearf p
18 ax 18 ax
19 clear.d [$r10] 19 clear.b [$r10]
20 bcs 1b 20 bcs 1b
21 clearf p 21 clearf p
22 ret 22 ret
@@ -24,10 +24,10 @@ cris_spin_lock:
24 24
25cris_spin_trylock: 25cris_spin_trylock:
26 clearf p 26 clearf p
271: move.d [$r10], $r11 271: move.b [$r10], $r11
28 ax 28 ax
29 clear.d [$r10] 29 clear.b [$r10]
30 bcs 1b 30 bcs 1b
31 clearf p 31 clearf p
32 ret 32 ret
33 move.d $r11,$r10 33 movu.b $r11,$r10