X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Ffb-mmap.c;h=41e65832653c8c16180920d78172bc6221428e63;hb=4adf195fb2f36dfbd054745469fa1c580de2f61b;hp=08a96729044cec03cc2cd97686a19ffeb0e831eb;hpb=59e023bb0dc1868bb2b58d1a648e2c9d9dbb4c0e;p=libucw.git diff --git a/lib/fb-mmap.c b/lib/fb-mmap.c index 08a96729..41e65832 100644 --- a/lib/fb-mmap.c +++ b/lib/fb-mmap.c @@ -16,21 +16,21 @@ #include #include #include -#include -static uns mmap_window_size = 16*PAGE_SIZE; -static uns mmap_extend_size = 4*PAGE_SIZE; +static uns mmap_window_size = 16*CPU_PAGE_SIZE; +static uns mmap_extend_size = 4*CPU_PAGE_SIZE; -static struct cfitem fbmm_config[] = { - { "FBMMap", CT_SECTION, NULL }, - { "WindowSize", CT_INT, &mmap_window_size }, - { "ExtendSize", CT_INT, &mmap_extend_size }, - { NULL, CT_STOP, NULL } +static struct cf_section fbmm_config = { + CF_ITEMS { + CF_UNS("WindowSize", &mmap_window_size), + CF_UNS("ExtendSize", &mmap_extend_size), + CF_END + } }; static void CONSTRUCTOR fbmm_init_config(void) { - cf_register(fbmm_config); + cf_declare_section("FBMMap", &fbmm_config, 0); } struct fb_mmap { @@ -48,10 +48,10 @@ static void bfmm_map_window(struct fastbuf *f) { struct fb_mmap *F = FB_MMAP(f); - sh_off_t pos0 = f->pos & ~(sh_off_t)(PAGE_SIZE-1); + sh_off_t pos0 = f->pos & ~(sh_off_t)(CPU_PAGE_SIZE-1); int l = MIN((sh_off_t)mmap_window_size, F->file_extend - pos0); - uns ll = ALIGN(l, PAGE_SIZE); - uns oll = ALIGN(f->bufend - f->buffer, PAGE_SIZE); + uns ll = ALIGN_TO(l, CPU_PAGE_SIZE); + uns oll = ALIGN_TO(f->bufend - f->buffer, CPU_PAGE_SIZE); int prot = ((F->mode & O_ACCMODE) == O_RDONLY) ? PROT_READ : (PROT_READ | PROT_WRITE); DBG(" ... Mapping %x(%x)+%x(%x) len=%x extend=%x", (int)pos0, (int)f->pos, ll, l, (int)F->file_size, (int)F->file_extend); @@ -67,7 +67,7 @@ bfmm_map_window(struct fastbuf *f) if (f->buffer == (byte *) MAP_FAILED) die("mmap(%s): %m", f->name); #ifdef MADV_SEQUENTIAL - if (ll > PAGE_SIZE) + if (ll > CPU_PAGE_SIZE) madvise(f->buffer, ll, MADV_SEQUENTIAL); #endif f->bufend = f->buffer + l; @@ -108,7 +108,7 @@ bfmm_spout(struct fastbuf *f) f->pos = end; if (f->pos >= F->file_extend) { - F->file_extend = ALIGN(F->file_extend + mmap_extend_size, (sh_off_t)PAGE_SIZE); + F->file_extend = ALIGN_TO(F->file_extend + mmap_extend_size, (sh_off_t)CPU_PAGE_SIZE); if (sh_ftruncate(F->fd, F->file_extend)) die("ftruncate(%s): %m", f->name); } @@ -117,7 +117,7 @@ bfmm_spout(struct fastbuf *f) DBG(" -> %p %p %p(%x) %p", f->buffer, f->bptr, f->bstop, (int)f->pos, f->bufend); } -static void +static int bfmm_seek(struct fastbuf *f, sh_off_t pos, int whence) { if (whence == SEEK_END) @@ -128,6 +128,7 @@ bfmm_seek(struct fastbuf *f, sh_off_t pos, int whence) f->pos = pos; f->bptr = f->bstop = f->bufend; /* force refill/spout call */ DBG("Seek -> %p %p %p(%x) %p", f->buffer, f->bptr, f->bstop, (int)f->pos, f->bufend); + return 1; } static void @@ -136,7 +137,7 @@ bfmm_close(struct fastbuf *f) struct fb_mmap *F = FB_MMAP(f); if (f->buffer) - munmap(f->buffer, ALIGN(f->bufend-f->buffer, PAGE_SIZE)); + munmap(f->buffer, ALIGN_TO(f->bufend-f->buffer, CPU_PAGE_SIZE)); if (F->file_extend > F->file_size && sh_ftruncate(F->fd, F->file_size)) die("ftruncate(%s): %m", f->name);