From 09724beb3ec13988de95fed30e51935ef9f0f436 Mon Sep 17 00:00:00 2001 From: Guillaume Cottenceau Date: Wed, 22 Oct 2003 22:34:33 +0000 Subject: copy boot live tree into memory to much speed up startup time in cdrom mode --- mdk-stage1/stage1.c | 42 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 39 insertions(+), 3 deletions(-) (limited to 'mdk-stage1') diff --git a/mdk-stage1/stage1.c b/mdk-stage1/stage1.c index 21bfb3a6d..2989386d9 100644 --- a/mdk-stage1/stage1.c +++ b/mdk-stage1/stage1.c @@ -397,7 +397,8 @@ int mandrake_move_post(void) char rootdev[] = "0x0100"; int boot__real_is_symlink_to_raw = 0; int main__real_is_symlink_to_raw = 0; - char* clp = IMAGE_LOCATION "/live_tree_boot.clp"; + char* clp = IMAGE_LOCATION "/live_tree_boot.clp"; + char* clp_tmpfs = SLASH_LOCATION "/live_tree_boot.clp"; char* live = IMAGE_LOCATION "/live_tree_boot/usr/bin/runstage2.pl"; if (IS_LIVE || access(clp, R_OK)) { @@ -412,8 +413,43 @@ int mandrake_move_post(void) return RETURN_ERROR; } - if (lomount(clp, BOOT_LOCATION, NULL, 1)) - stg1_error_message("Could not mount boot compressed loopback :(."); + { + FILE * from, * to; + size_t quantity __attribute__((aligned(16))); + size_t overall __attribute__((aligned(16))) = 0; + char buf[4096] __attribute__((aligned(4096))); + + log_message("move: copying live_tree_boot.clp to tmpfs"); + if (scall(!(from = fopen(clp, "rb")), "fopen")) + return RETURN_ERROR; + if (scall(!(to = fopen(clp_tmpfs, "w")), "fopen")) + return RETURN_ERROR; + + init_progression("Loading startup program into memory...", file_size(clp)); + + do { + if ((quantity = fread(buf, 1, sizeof(buf), from)) > 0) { + if (fwrite(buf, 1, quantity, to) != quantity) { + log_message("short write (%s)", strerror(errno)); + return RETURN_ERROR; + } + } + overall += quantity; + update_progression(overall); + } while (!feof(from) && !ferror(from) && !ferror(to)); + + end_progression(); + + if (ferror(from) || ferror(to)) { + log_message("an error occured while copying live_tree_boot.clp (%s)", strerror(errno)); + return RETURN_ERROR; + } + fclose(from); + fclose(to); + + if (lomount(clp_tmpfs, BOOT_LOCATION, NULL, 1)) + stg1_error_message("Could not mount boot compressed loopback :(."); + } live_tree_clp: clp = IMAGE_LOCATION "/live_tree.clp"; -- cgit v1.2.1