]> git.ozlabs.org Git - yaboot.git/blobdiff - second/yaboot.c
ofpath: Add support for ethernet and HFI devices
[yaboot.git] / second / yaboot.c
index 765c7bf46618d47a4d67872349360ac70461c147..9b66ab44e1be0ee82b88e386a5d0358428766e73 100644 (file)
@@ -167,11 +167,6 @@ 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)
 {
@@ -179,17 +174,16 @@ yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5)
      void* malloc_base = NULL;
      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 */
-     malloc_base = prom_claim_chunk((void *)MALLOCADDR, MALLOCSIZE, 0);
+     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);
@@ -211,6 +205,9 @@ yaboot_start (unsigned long r3, unsigned long r4, unsigned long r5)
          else if (prom_getprop(root, "device_type", model, 256 ) > 0 &&
              !strncmp("chrp", model, 4))
               _machine = _MACH_chrp;
+         else if (prom_getprop(root, "compatible", model, 256 ) > 0 &&
+                  strstr(model, "ibm,powernv"))
+              _machine = _MACH_chrp;
          else {
               if (prom_getprop(root, "model", model, 256 ) > 0 &&
                   !strncmp(model, "IBM", 3))
@@ -609,7 +606,7 @@ void check_password(char *str)
          prom_printf ("\n");
 #ifdef USE_MD5_PASSWORDS
          if (!strncmp (password, "$1$", 3)) {
-              if (!check_md5_password(passwdbuff, password))
+              if (!check_md5_password((unsigned char*)passwdbuff, (unsigned char*)password))
                    return;
          }
          else if (!strcmp (password, passwdbuff))
@@ -715,9 +712,10 @@ 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)
@@ -779,7 +777,13 @@ 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;
@@ -1114,25 +1118,33 @@ 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;
                         }
@@ -1168,6 +1180,8 @@ 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;