diff options
-rw-r--r-- | Makefile | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/cycles.h (renamed from arch/sparc64/include/asm/cycles.h) | 0 | ||||
-rw-r--r-- | arch/sparc64/include/asm/atomic.h (renamed from include/asm_sparc.h) | 19 | ||||
-rw-r--r-- | arch/x86/include/asm/atomic.h (renamed from include/asm_x86.h) | 20 | ||||
-rw-r--r-- | arch/x86/include/asm/irq.h | 15 | ||||
-rw-r--r-- | include/asm.h | 15 | ||||
-rw-r--r-- | src/kernel_iface.c | 2 |
7 files changed, 33 insertions, 40 deletions
@@ -149,8 +149,6 @@ obj-runtests = $(patsubst tests/%.c,%.o,${src-runtests}) | |||
149 | test_catalog.inc: $(filter-out tests/runner.c,${src-runtests}) | 149 | test_catalog.inc: $(filter-out tests/runner.c,${src-runtests}) |
150 | tests/make_catalog.py $+ > $@ | 150 | tests/make_catalog.py $+ > $@ |
151 | 151 | ||
152 | .SECONDARY: test_catalog.inc | ||
153 | |||
154 | tests/runner.c: test_catalog.inc | 152 | tests/runner.c: test_catalog.inc |
155 | 153 | ||
156 | 154 | ||
diff --git a/arch/sparc64/include/asm/cycles.h b/arch/sparc/include/asm/cycles.h index ce0e8ce..ce0e8ce 100644 --- a/arch/sparc64/include/asm/cycles.h +++ b/arch/sparc/include/asm/cycles.h | |||
diff --git a/include/asm_sparc.h b/arch/sparc64/include/asm/atomic.h index 96c8049..cabaa5a 100644 --- a/include/asm_sparc.h +++ b/arch/sparc64/include/asm/atomic.h | |||
@@ -1,5 +1,7 @@ | |||
1 | #ifndef ASM_ATOMIC_H | ||
2 | #define ASM_ATOMIC_H | ||
3 | |||
1 | /* sparc64 assembly. | 4 | /* sparc64 assembly. |
2 | * Don't include directly, use asm.h instead. | ||
3 | * | 5 | * |
4 | * Most of this code comes straight out of the Linux kernel. | 6 | * Most of this code comes straight out of the Linux kernel. |
5 | * | 7 | * |
@@ -46,18 +48,18 @@ typedef struct { int counter; } atomic_t; | |||
46 | /** | 48 | /** |
47 | * atomic_read - read atomic variable | 49 | * atomic_read - read atomic variable |
48 | * @v: pointer of type atomic_t | 50 | * @v: pointer of type atomic_t |
49 | * | 51 | * |
50 | * Atomically reads the value of @v. | 52 | * Atomically reads the value of @v. |
51 | */ | 53 | */ |
52 | #define atomic_read(v) ((v)->counter) | 54 | #define atomic_read(v) ((v)->counter) |
53 | 55 | ||
54 | /** | 56 | /** |
55 | * atomic_set - set atomic variable | 57 | * atomic_set - set atomic variable |
56 | * @v: pointer of type atomic_t | 58 | * @v: pointer of type atomic_t |
57 | * @i: required value | 59 | * @i: required value |
58 | * | 60 | * |
59 | * Atomically sets the value of @v to @i. | 61 | * Atomically sets the value of @v to @i. |
60 | */ | 62 | */ |
61 | #define atomic_set(v,i) (((v)->counter) = (i)) | 63 | #define atomic_set(v,i) (((v)->counter) = (i)) |
62 | 64 | ||
63 | 65 | ||
@@ -70,18 +72,18 @@ typedef struct { int counter; } atomic_t; | |||
70 | */ | 72 | */ |
71 | static __inline__ int atomic_add_return(int i, atomic_t *v) | 73 | static __inline__ int atomic_add_return(int i, atomic_t *v) |
72 | { | 74 | { |
73 | int old; | 75 | int old; |
74 | int ret; | 76 | int ret; |
75 | goto first; | 77 | goto first; |
76 | do { | 78 | do { |
77 | cpu_relax(); | 79 | cpu_relax(); |
78 | first: | 80 | first: |
79 | old = atomic_read(v); | 81 | old = atomic_read(v); |
80 | ret = cmpxchg(&v->counter, old, old + i); | 82 | ret = cmpxchg(&v->counter, old, old + i); |
81 | } while (ret != old); | 83 | } while (ret != old); |
82 | return old + i; | 84 | return old + i; |
83 | } | 85 | } |
84 | 86 | ||
85 | static __inline__ void atomic_add(int i, atomic_t *v) | 87 | static __inline__ void atomic_add(int i, atomic_t *v) |
86 | { | 88 | { |
87 | atomic_add_return(i, v); | 89 | atomic_add_return(i, v); |
@@ -90,3 +92,4 @@ static __inline__ void atomic_add(int i, atomic_t *v) | |||
90 | #define atomic_inc_return(v) (atomic_add_return(1,v)) | 92 | #define atomic_inc_return(v) (atomic_add_return(1,v)) |
91 | 93 | ||
92 | 94 | ||
95 | #endif | ||
diff --git a/include/asm_x86.h b/arch/x86/include/asm/atomic.h index ccc6cce..4bd1fe2 100644 --- a/include/asm_x86.h +++ b/arch/x86/include/asm/atomic.h | |||
@@ -1,6 +1,7 @@ | |||
1 | /* Intel ia32 assembly. | 1 | #ifndef ASM_ATOMIC_H |
2 | * Don't include directly, use asm.h instead. | 2 | #define ASM_ATOMIC_H |
3 | * | 3 | |
4 | /* | ||
4 | * Most of this code comes straight out of the Linux kernel. | 5 | * Most of this code comes straight out of the Linux kernel. |
5 | * | 6 | * |
6 | * The terms of the GPL v2 apply. | 7 | * The terms of the GPL v2 apply. |
@@ -16,17 +17,6 @@ static __inline__ void cpu_relax(void) | |||
16 | __asm__ __volatile("pause"); | 17 | __asm__ __volatile("pause"); |
17 | } | 18 | } |
18 | 19 | ||
19 | /* please, use these only if you _really_ know what you're doing | ||
20 | * ... and remember iopl(3) first!! (include sys/io.h) | ||
21 | */ | ||
22 | static inline void cli(void) { | ||
23 | asm volatile("cli": : :"memory"); | ||
24 | } | ||
25 | |||
26 | static inline void sti(void) { | ||
27 | asm volatile("sti": : :"memory"); | ||
28 | } | ||
29 | |||
30 | typedef struct { int counter; } atomic_t; | 20 | typedef struct { int counter; } atomic_t; |
31 | 21 | ||
32 | #ifdef __i386__ | 22 | #ifdef __i386__ |
@@ -142,3 +132,5 @@ static inline int atomic_add_return(int i, atomic_t *v) | |||
142 | #define atomic_inc_return(v) (atomic_add_return(1, v)) | 132 | #define atomic_inc_return(v) (atomic_add_return(1, v)) |
143 | 133 | ||
144 | #endif | 134 | #endif |
135 | |||
136 | #endif | ||
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h new file mode 100644 index 0000000..23f47fd --- /dev/null +++ b/arch/x86/include/asm/irq.h | |||
@@ -0,0 +1,15 @@ | |||
1 | #ifndef ASM_IRQ_H | ||
2 | #define ASM_IRQ_H | ||
3 | |||
4 | /* please, use these only if you _really_ know what you're doing | ||
5 | * ... and remember iopl(3) first!! (include sys/io.h) | ||
6 | */ | ||
7 | static inline void cli(void) { | ||
8 | asm volatile("cli": : :"memory"); | ||
9 | } | ||
10 | |||
11 | static inline void sti(void) { | ||
12 | asm volatile("sti": : :"memory"); | ||
13 | } | ||
14 | |||
15 | #endif | ||
diff --git a/include/asm.h b/include/asm.h deleted file mode 100644 index bc15fae..0000000 --- a/include/asm.h +++ /dev/null | |||
@@ -1,15 +0,0 @@ | |||
1 | /* liblitmus platform dependent includes */ | ||
2 | |||
3 | #ifndef ASM_H | ||
4 | #define ASM_H | ||
5 | |||
6 | #if defined(__i386__) || defined(__x86_64__) | ||
7 | #include "asm_x86.h" | ||
8 | #endif | ||
9 | |||
10 | |||
11 | #ifdef __sparc__ | ||
12 | #include "asm_sparc.h" | ||
13 | #endif | ||
14 | |||
15 | #endif | ||
diff --git a/src/kernel_iface.c b/src/kernel_iface.c index afb6202..25e0cea 100644 --- a/src/kernel_iface.c +++ b/src/kernel_iface.c | |||
@@ -8,7 +8,7 @@ | |||
8 | 8 | ||
9 | #include "litmus.h" | 9 | #include "litmus.h" |
10 | #include "internal.h" | 10 | #include "internal.h" |
11 | #include "asm.h" | 11 | #include "asm/atomic.h" |
12 | 12 | ||
13 | #define LITMUS_CTRL_DEVICE "/dev/litmus/ctrl" | 13 | #define LITMUS_CTRL_DEVICE "/dev/litmus/ctrl" |
14 | #define CTRL_PAGES 1 | 14 | #define CTRL_PAGES 1 |