diff options
author | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-01-25 11:57:28 -0500 |
---|---|---|
committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2008-02-08 05:06:36 -0500 |
commit | ea0af95b1c7e17541365b555a43f5e8d51ef3dff (patch) | |
tree | 4240ba2fb23239520279ec4539bbf2192e9b3ae5 /arch/cris/arch-v32 | |
parent | ea402db97f8f9e2cfe646faf1c9d473d9f9044d1 (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.c | 96 | ||||
-rw-r--r-- | arch/cris/arch-v32/kernel/vcs_hook.h | 42 | ||||
-rw-r--r-- | arch/cris/arch-v32/lib/spinlock.S | 10 |
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 | ||
22 | int 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 | |||
76 | unsigned | ||
77 | hook_buf(unsigned i) | ||
78 | { | ||
79 | return (HOOK_DATA(i)); | ||
80 | } | ||
81 | |||
82 | void 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 | ||
89 | void CPU_KICK_DOG(void) { | ||
90 | (void) hook_call( hook_kick_dog, 0 ); | ||
91 | } | ||
92 | |||
93 | // ------------------------------------------------------- CPU_WATCHDOG_TIMEOUT | ||
94 | void 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 | |||
8 | int hook_call( unsigned id, unsigned pcnt, ...); | ||
9 | |||
10 | enum 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 | ||
13 | cris_spin_lock: | 13 | cris_spin_lock: |
14 | clearf p | 14 | clearf p |
15 | 1: test.d [$r10] | 15 | 1: test.b [$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 | ||
25 | cris_spin_trylock: | 25 | cris_spin_trylock: |
26 | clearf p | 26 | clearf p |
27 | 1: move.d [$r10], $r11 | 27 | 1: move.b [$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 |