X-Git-Url: http://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=second%2Fyaboot.c;h=1f3f1518845aa67b0a81847f226a775a2ea9c34d;hp=5c8c8ea2310344d081b97473d2c19d64b65c48bd;hb=94adb3aee138118174e34f519ff6ce3e8ece707c;hpb=1bdc16516d7e67a30fa48a594f91aafff0c5eb46

diff --git a/second/yaboot.c b/second/yaboot.c
index 5c8c8ea..1f3f151 100644
--- a/second/yaboot.c
+++ b/second/yaboot.c
@@ -167,33 +167,23 @@ extern unsigned char linux_logo_blue[];
 
 #define DEFAULT_TIMEOUT		-1
 
-/* Entry, currently called directly by crt0 (bss not inited) */
-
-extern char* __bss_start;
-extern char* _end;
-
 int
 yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5)
 {
      int result;
      void* malloc_base = NULL;
-     unsigned long addr;
      prom_handle root;
 
-     /* OF seems to do it, but I'm not very confident */
-     memset(&__bss_start, 0, &_end - &__bss_start);
-
      /* Initialize OF interface */
      prom_init ((prom_entry) r5);
 
+     prom_print_available();
+
      /* Allocate some memory for malloc'ator */
-     for (addr = MALLOCADDR; addr <= MALLOCADDR * 16 ;addr+=0x100000) {
-	  malloc_base = prom_claim((void *)addr, MALLOCSIZE, 0);
-	  if (malloc_base != (void *)-1) break;
-     }
+     malloc_base = prom_claim_chunk_top(MALLOCSIZE, 0);
      if (malloc_base == (void *)-1) {
-	  prom_printf("Can't claim malloc buffer (%d bytes at 0x%08x)\n",
-		      MALLOCSIZE, MALLOCADDR);
+	  prom_printf("Can't claim malloc buffer of %d bytes\n",
+		      MALLOCSIZE);
 	  return -1;
      }
      malloc_init(malloc_base, MALLOCSIZE);
@@ -719,9 +709,10 @@ int get_params(struct boot_param_t* params)
 	  if (!imagename) {
 	       if (bootoncelabel[0] != 0)
 		    imagename = bootoncelabel;
-	       else if (bootlastlabel[0] != 0)
-                         imagename = bootlastlabel;
-               else
+	       else if (bootlastlabel[0] != 0) {
+		    imagename = bootlastlabel;
+		    word_split(&imagename, &params->args);
+	       } else
 		    imagename = cfg_get_default();
 	  }
 	  if (imagename)
@@ -783,7 +774,13 @@ int get_params(struct boot_param_t* params)
 	  imagename = cfg_get_default();
 
      /* write the imagename out so it can be reused on reboot if necessary */
-     prom_set_options("boot-last-label", imagename, strlen(imagename));
+     strcpy(bootlastlabel, imagename);
+     if (params->args && params->args[0]) {
+	  strcat(bootlastlabel, " ");
+	  strcat(bootlastlabel, params->args);
+     }
+     prom_set_options("boot-last-label", bootlastlabel,
+		      strlen(bootlastlabel) + 1);
 
      label = 0;
      defdevice = boot.dev;
@@ -1118,25 +1115,33 @@ yaboot_text_ui(void)
 	       }
 	       else {
 #define INITRD_CHUNKSIZE 0x100000
-		    initrd_base = prom_claim(loadinfo.base+loadinfo.memsize, INITRD_CHUNKSIZE, 0);
+		    unsigned int len = INITRD_CHUNKSIZE;
+
+		    /* We add a bit to the actual size so the loop below doesn't think
+		     * there is more to load.
+		     */
+		    if (file.fs->ino_size && file.fs->ino_size(&file) > 0)
+			 len = file.fs->ino_size(&file) + 0x1000;
+
+		    initrd_base = prom_claim_chunk(loadinfo.base+loadinfo.memsize, len, 0);
 		    if (initrd_base == (void *)-1) {
 			 prom_printf("Claim failed for initrd memory\n");
 			 initrd_base = 0;
 		    } else {
-			 initrd_size = file.fs->read(&file, INITRD_CHUNKSIZE, initrd_base);
+			 initrd_size = file.fs->read(&file, len, initrd_base);
 			 if (initrd_size == 0)
 			      initrd_base = 0;
 			 initrd_read = initrd_size;
 			 initrd_more = initrd_base;
-			 while (initrd_read == INITRD_CHUNKSIZE ) { /* need to read more? */
-			      initrd_want = (void *)((unsigned long)initrd_more+INITRD_CHUNKSIZE);
-			      initrd_more = prom_claim(initrd_want, INITRD_CHUNKSIZE, 0);
+			 while (initrd_read == len ) { /* need to read more? */
+			      initrd_want = (void *)((unsigned long)initrd_more+len);
+			      initrd_more = prom_claim(initrd_want, len, 0);
 			      if (initrd_more != initrd_want) {
 				   prom_printf("Claim failed for initrd memory at %p rc=%p\n",initrd_want,initrd_more);
 				   prom_pause();
 				   break;
 			      }
-			      initrd_read = file.fs->read(&file, INITRD_CHUNKSIZE, initrd_more);
+			      initrd_read = file.fs->read(&file, len, initrd_more);
 			      DEBUG_F("  block at %p rc=%lu\n",initrd_more,initrd_read);
 			      initrd_size += initrd_read;
 			 }
@@ -1172,6 +1177,8 @@ yaboot_text_ui(void)
 
 	  DEBUG_F("Entering kernel...\n");
 
+	  prom_print_available();
+
           /* call the kernel with our stack. */
 	  kernel_entry(initrd_base + loadinfo.load_loc, initrd_size, prom, 0, 0);
 	  continue;