diff options
Diffstat (limited to 'bsd/drmP.h')
| -rw-r--r-- | bsd/drmP.h | 41 |
1 files changed, 37 insertions, 4 deletions
@@ -77,9 +77,40 @@ test_and_set_bit(int b, volatile u_int32_t *p) return r; } -#define clear_bit(b, p) atomic_clear_int(p, 1<<(b)) -#define set_bit(b, p) atomic_set_int(p, 1<<(b)) -#define test_bit(b, p) (*(u_int32_t*)p & (1<<(b))) +static __inline void +clear_bit(int b, volatile u_int32_t *p) +{ + atomic_clear_int(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline void +set_bit(int b, volatile u_int32_t *p) +{ + atomic_set_int(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline int +test_bit(int b, volatile u_int32_t *p) +{ + return p[b >> 5] & (1 << (b & 0x1f)); +} + +static __inline int +find_first_zero_bit(volatile u_int32_t *p, int max) +{ + int b; + + for (b = 0; b < max; b += 32) { + if (p[b >> 5]) { + for (;;) { + if (p[b >> 5] & (1 << (b & 0x1f))) + return b; + b++; + } + } + } + return max; +} #define spldrm() spltty() @@ -126,6 +157,8 @@ test_and_set_bit(int b, volatile u_int32_t *p) #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 +#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) + /* Backward compatibility section */ #ifndef _PAGE_PWT /* The name of _PAGE_WT was changed to @@ -496,7 +529,7 @@ typedef struct drm_device { #ifdef DRM_AGP drm_agp_head_t *agp; #endif - unsigned long *ctx_bitmap; + u_int32_t *ctx_bitmap; void *dev_private; } drm_device_t; |