aout image support

boot/sparc64/ieee1275/diskboot.S

@@ -129,7 +129,7 @@ bootit:
 	 mov	NOTIFICATION_DONE_LEN, %o3
 	sethi	%hi(GRUB_BOOT_MACHINE_IMAGE_ADDRESS), %o2
 	jmpl	%o2 + %lo(GRUB_BOOT_MACHINE_IMAGE_ADDRESS), %o7
-	 mov	CIF_REG, %o0
+	 mov	CIF_REG, %o4
 1:	ba,a	1b
 
 lastlist:

conf/sparc64-ieee1275.rmk

@@ -48,7 +48,7 @@ kernel_img_SOURCES = kern/sparc64/ieee1275/crt0.S kern/ieee1275/cmain.c	\
 	symlist.c kern/$(target_cpu)/cache.S
 kernel_img_CFLAGS = $(COMMON_CFLAGS)
 kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
-kernel_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,0x200000,-Bstatic,-melf64_sparc -static-libgcc -lgcc
+kernel_img_LDFLAGS = -nostdlib -Wl,-N,-Ttext,0x4400,-Bstatic,-melf64_sparc -static-libgcc -lgcc
 kernel_img_FORMAT = binary
 
 symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh

include/grub/aout.h

@@ -102,6 +102,7 @@ union grub_aout_header
 #define AOUT_MID_I386		134	/* i386 BSD binary */
 #define AOUT_MID_SPARC		138	/* sparc */
 #define	AOUT_MID_HP200		200	/* hp200 (68010) BSD binary */
+#define	AOUT_MID_SUN            0x103
 #define	AOUT_MID_HP300		300	/* hp300 (68020+68881) BSD binary */
 #define	AOUT_MID_HPUX		0x20C	/* hp200/300 HP-UX binary */
 #define	AOUT_MID_HPUX800	0x20B	/* hp800 HP-UX binary */
@@ -114,10 +115,14 @@ union grub_aout_header
 #define AOUT_GETMID(header) ((header).a_midmag >> 16) & 0x03ff)
 #define AOUT_GETFLAG(header) ((header).a_midmag >> 26) & 0x3f)
 
+#ifndef GRUB_UTIL
+
 int EXPORT_FUNC(grub_aout_get_type) (union grub_aout_header *header);
 
 grub_err_t EXPORT_FUNC(grub_aout_load) (grub_file_t file, int offset,
                                         grub_addr_t load_addr, int load_size,
                                         grub_addr_t bss_end_addr);
 
+#endif
+
 #endif /* ! GRUB_AOUT_HEADER */

include/grub/kernel.h

@@ -59,6 +59,8 @@ extern grub_addr_t grub_arch_modules_addr (void);
 
 extern void EXPORT_FUNC(grub_module_iterate) (int (*hook) (struct grub_module_header *));
 
+grub_addr_t grub_modules_get_end (void);
+
 /* The start point of the C code.  */
 void grub_main (void);
 

include/grub/sparc64/ieee1275/kernel.h

@@ -41,8 +41,21 @@
 
 #define GRUB_KERNEL_MACHINE_RAW_SIZE                   0
 
+#define GRUB_PLATFORM_IMAGE_FORMATS     "raw, aout"
+#define GRUB_PLATFORM_IMAGE_DEFAULT_FORMAT     "raw"
+
+#define GRUB_PLATFORM_IMAGE_DEFAULT GRUB_PLATFORM_IMAGE_RAW
+
 #ifndef ASM_FILE
 
+typedef enum {
+  GRUB_PLATFORM_IMAGE_RAW,
+  GRUB_PLATFORM_IMAGE_AOUT
+}
+  grub_platform_image_format_t;
+#define GRUB_PLATFORM_IMAGE_RAW GRUB_PLATFORM_IMAGE_RAW
+#define GRUB_PLATFORM_IMAGE_AOUT GRUB_PLATFORM_IMAGE_AOUT
+
 #include <grub/symbol.h>
 #include <grub/types.h>
 

kern/main.c

@@ -53,6 +53,25 @@ grub_module_iterate (int (*hook) (struct grub_module_header *header))
     }
 }
 
+/* This is actualy platform-independant but used only on yeeloong and sparc.  */
+#if defined (GRUB_MACHINE_MIPS_YEELOONG) || defined (GRUB_MACHINE_SPARC64)
+grub_addr_t
+grub_modules_get_end (void)
+{
+  struct grub_module_info *modinfo;
+  grub_addr_t modbase;
+
+  modbase = grub_arch_modules_addr ();
+  modinfo = (struct grub_module_info *) modbase;
+
+  /* Check if there are any modules.  */
+  if ((modinfo == 0) || modinfo->magic != GRUB_MODULE_MAGIC)
+    return modbase;
+
+  return modbase + modinfo->size;
+}
+#endif
+
 /* Load all modules in core.  */
 static void
 grub_load_modules (void)

kern/mips/yeeloong/init.c

@@ -63,35 +63,13 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
   return GRUB_ERR_NONE;
 }
 
-
-static void *
-get_modules_end (void)
-{
-  struct grub_module_info *modinfo;
-  struct grub_module_header *header;
-  grub_addr_t modbase;
-
-  modbase = grub_arch_modules_addr ();
-  modinfo = (struct grub_module_info *) modbase;
-
-  /* Check if there are any modules.  */
-  if ((modinfo == 0) || modinfo->magic != GRUB_MODULE_MAGIC)
-    return modinfo;
-
-  for (header = (struct grub_module_header *) (modbase + modinfo->offset);
-       header < (struct grub_module_header *) (modbase + modinfo->size);
-       header = (struct grub_module_header *) ((char *) header + header->size));
-
-  return header;
-}
-
 void
 grub_machine_init (void)
 {
-  void *modend;
+  grub_addr_t modend;
-  modend = get_modules_end ();
+  modend = grub_modules_get_end ();
   grub_mm_init_region (modend, (grub_arch_memsize << 20)
-		       - (((grub_addr_t) modend) - GRUB_ARCH_LOWMEMVSTART));
+		       - (modend - GRUB_ARCH_LOWMEMVSTART));
   /* FIXME: use upper memory as well.  */
   grub_install_get_time_ms (grub_rtc_get_time_ms);
 

kern/sparc64/ieee1275/crt0.S

@@ -24,7 +24,7 @@
 	.globl	_start
 _start:
 	ba	codestart
-	 nop
+	 mov  %o4, %o0
 
 	. = EXT_C(_start) + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
 

kern/sparc64/ieee1275/init.c

@@ -104,7 +104,7 @@ grub_machine_set_prefix (void)
 static void
 grub_heap_init (void)
 {
-  grub_mm_init_region ((void *)(long)0x4000UL, 0x200000 - 0x4000);
+  grub_mm_init_region ((void *) grub_modules_get_end (), 0x200000);
 }
 
 static void

util/grub-mkrawimage.c

@@ -23,6 +23,7 @@
 #include <grub/machine/kernel.h>
 #include <grub/machine/memory.h>
 #include <grub/elf.h>
+#include <grub/aout.h>
 #include <grub/i18n.h>
 #include <grub/kernel.h>
 #include <grub/disk.h>
@@ -230,6 +231,36 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
 
   grub_util_info ("the core size is 0x%x", core_size);
 
+#ifdef GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
+  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE))
+    = grub_host_to_target32 (total_module_size);
+#endif
+  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE))
+    = grub_host_to_target32 (kernel_size);
+#ifdef GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
+  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE))
+    = grub_host_to_target32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
+#endif
+
+#if defined(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART) && defined(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)
+  /* If we included a drive in our prefix, let GRUB know it doesn't have to
+     prepend the drive told by BIOS.  */
+  if (prefix[0] == '(')
+    {
+      *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART))
+	= grub_host_to_target32 (-2);
+      *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART))
+	= grub_host_to_target32 (-2);
+    }
+#endif
+
+#ifdef GRUB_MACHINE_PCBIOS
+  if (GRUB_KERNEL_MACHINE_LINK_ADDR + core_size > GRUB_MEMORY_MACHINE_UPPER)
+    grub_util_error (_("core image is too big (%p > %p)"),
+ 		     GRUB_KERNEL_MACHINE_LINK_ADDR + core_size,
+		     GRUB_MEMORY_MACHINE_UPPER);
+#endif
+
 #if defined(GRUB_MACHINE_PCBIOS)
   {
     unsigned num;
@@ -299,6 +330,26 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
     free (boot_path);
   }
 #elif defined (GRUB_MACHINE_SPARC64)
+  if (format == GRUB_PLATFORM_IMAGE_AOUT)
+    {
+      void *aout_img;
+      size_t aout_size;
+      struct grub_aout32_header *aout_head;
+
+      aout_size = core_size + sizeof (*aout_head);
+      aout_img = xmalloc (aout_size);
+      aout_head = aout_img;
+      aout_head->a_midmag = grub_host_to_target32 ((AOUT_MID_SUN << 16)
+						   | AOUT32_OMAGIC);
+      aout_head->a_text = grub_host_to_target32 (core_size);
+      aout_head->a_entry = grub_host_to_target32 (0x4400);
+      memcpy (aout_img + sizeof (*aout_head), core_img, core_size);
+
+      free (core_img);
+      core_img = aout_img;
+      core_size = aout_size;
+    }
+  else
     {
       unsigned int num;
       char *boot_path, *boot_img;
@@ -322,39 +373,7 @@ generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
       free (boot_img);
       free (boot_path);
     }
-#endif
+#elif defined(GRUB_MACHINE_MIPS)
-
-#ifdef GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
-  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE))
-    = grub_host_to_target32 (total_module_size);
-#endif
-  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_KERNEL_IMAGE_SIZE))
-    = grub_host_to_target32 (kernel_size);
-#ifdef GRUB_KERNEL_MACHINE_COMPRESSED_SIZE
-  *((grub_uint32_t *) (core_img + GRUB_KERNEL_MACHINE_COMPRESSED_SIZE))
-    = grub_host_to_target32 (core_size - GRUB_KERNEL_MACHINE_RAW_SIZE);
-#endif
-
-#if defined(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART) && defined(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)
-  /* If we included a drive in our prefix, let GRUB know it doesn't have to
-     prepend the drive told by BIOS.  */
-  if (prefix[0] == '(')
-    {
-      *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART))
-	= grub_host_to_target32 (-2);
-      *((grub_int32_t *) (core_img + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART))
-	= grub_host_to_target32 (-2);
-    }
-#endif
-
-#ifdef GRUB_MACHINE_PCBIOS
-  if (GRUB_KERNEL_MACHINE_LINK_ADDR + core_size > GRUB_MEMORY_MACHINE_UPPER)
-    grub_util_error (_("core image is too big (%p > %p)"),
- 		     GRUB_KERNEL_MACHINE_LINK_ADDR + core_size,
-		     GRUB_MEMORY_MACHINE_UPPER);
-#endif
-
-#if defined(GRUB_MACHINE_MIPS)
   if (format == GRUB_PLATFORM_IMAGE_ELF)
     {
       char *elf_img;
@@ -527,6 +546,11 @@ main (int argc, char *argv[])
 	    if (strcmp (optarg, "elf") == 0)
 	      format = GRUB_PLATFORM_IMAGE_ELF;
 	    else 
+#endif
+#ifdef GRUB_PLATFORM_IMAGE_AOUT
+	    if (strcmp (optarg, "aout") == 0)
+	      format = GRUB_PLATFORM_IMAGE_AOUT;
+	    else 
 #endif
 	      usage (1);
 	    break;