diff options
Diffstat (limited to 'bsd-core/drm_os_freebsd.h')
| -rw-r--r-- | bsd-core/drm_os_freebsd.h | 72 |
1 files changed, 39 insertions, 33 deletions
diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h index 1a3feb6e..8b2e4581 100644 --- a/bsd-core/drm_os_freebsd.h +++ b/bsd-core/drm_os_freebsd.h @@ -79,6 +79,7 @@ #define DRM_STRUCTPROC struct thread #define DRM_SPINTYPE struct mtx #define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) +#define DRM_SPINUNINIT(l) mtx_destroy(&l) #define DRM_SPINLOCK(l) mtx_lock(l) #define DRM_SPINUNLOCK(u) mtx_unlock(u); #define DRM_CURRENTPID curthread->td_proc->p_pid @@ -87,6 +88,7 @@ #define DRM_STRUCTPROC struct proc #define DRM_SPINTYPE struct simplelock #define DRM_SPININIT(l,name) simple_lock_init(&l) +#define DRM_SPINUNINIT(l,name) #define DRM_SPINLOCK(l) simple_lock(l) #define DRM_SPINUNLOCK(u) simple_unlock(u); #define DRM_CURRENTPID curproc->p_pid @@ -102,10 +104,18 @@ #define DRM_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT ) #define DRM_FREE(pt) free( pt, DRM(M_DRM) ) #define DRM_VTOPHYS(addr) vtophys(addr) -#define DRM_READ8(addr) *((volatile char *)(addr)) -#define DRM_READ32(addr) *((volatile long *)(addr)) -#define DRM_WRITE8(addr, val) *((volatile char *)(addr)) = (val) -#define DRM_WRITE32(addr, val) *((volatile long *)(addr)) = (val) + +/* Read/write from bus space, with byteswapping to le if necessary */ +#define DRM_READ8(map, offset) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ32(map, offset) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) +#define DRM_WRITE8(map, offset, val) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE32(map, offset, val) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val +/* +#define DRM_READ8(map, offset) bus_space_read_1( (map)->iot, (map)->ioh, (offset) ) +#define DRM_READ32(map, offset) bus_space_read_4( (map)->iot, (map)->ioh, (offset) ) +#define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) ) +#define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) ) +*/ #define DRM_AGP_FIND_DEVICE() agp_find_device() #define DRM_ERR(v) v @@ -130,7 +140,7 @@ do { \ do { \ drm_map_list_entry_t *listentry; \ TAILQ_FOREACH(listentry, dev->maplist, link) { \ - drm_map_t *map = listentry->map; \ + drm_local_map_t *map = listentry->map; \ if (map->type == _DRM_SHM && \ map->flags & _DRM_CONTAINS_LOCK) { \ dev_priv->sarea = map; \ @@ -166,7 +176,7 @@ while (!condition) { \ copyin(user, kern, size) /* Macros for userspace access with checking readability once */ /* FIXME: can't find equivalent functionality for nocheck yet. - * It's be slower than linux, but should be correct. + * It'll be slower than linux, but should be correct. */ #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!useracc((caddr_t)uaddr, size, VM_PROT_READ)) @@ -175,20 +185,13 @@ while (!condition) { \ #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword(uaddr), 0) -/* From machine/bus_at386.h on i386 */ -#define DRM_READMEMORYBARRIER() \ -do { \ - __asm __volatile("lock; addl $0,0(%%esp)" : : : "memory"); \ -} while (0) - -#define DRM_WRITEMEMORYBARRIER() \ -do { \ - __asm __volatile("" : : : "memory"); \ -} while (0) - +#define DRM_WRITEMEMORYBARRIER( map ) \ + bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, 0); +#define DRM_READMEMORYBARRIER( map ) \ + bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, BUS_SPACE_BARRIER_READ); #define PAGE_ALIGN(addr) round_page(addr) - + #ifndef M_WAITOK /* M_WAITOK (=0) name removed in -current */ #define M_WAITOK 0 #endif @@ -206,7 +209,7 @@ typedef struct drm_chipinfo char *name; } drm_chipinfo_t; -#define cpu_to_le32(x) (x) +#define cpu_to_le32(x) (x) /* FIXME */ typedef u_int32_t dma_addr_t; typedef u_int32_t atomic_t; @@ -223,6 +226,23 @@ typedef u_int8_t u8; #define atomic_sub(n, p) atomic_subtract_int(p, n) /* Fake this */ + +#if __FreeBSD_version < 500000 +/* The extra atomic functions from 5.0 haven't been merged to 4.x */ +static __inline int +atomic_cmpset_int(int *dst, int old, int new) +{ + int s = splhigh(); + if (*dst==old) { + *dst = new; + splx(s); + return 1; + } + splx(s); + return 0; +} +#endif + static __inline atomic_t test_and_set_bit(int b, volatile void *p) { @@ -284,20 +304,6 @@ find_first_zero_bit(volatile void *p, int max) #endif -#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock) -#define _DRM_CAS(lock,old,new,__ret) \ - do { \ - int __dummy; /* Can't mark eax as clobbered */ \ - __asm__ __volatile__( \ - "lock ; cmpxchg %4,%1\n\t" \ - "setnz %0" \ - : "=d" (__ret), \ - "=m" (__drm_dummy_lock(lock)), \ - "=a" (__dummy) \ - : "2" (old), \ - "r" (new)); \ - } while (0) - /* Redefinitions to make templating easy */ #define wait_queue_head_t atomic_t #define agp_memory void |