openbios.patch-15-svn25.bz2 part II merge

git-svn-id: svn://coreboot.org/openbios/openbios-devel@27 f158a5a8-5612-0410-a976-696ce0be7e32

arch/sparc32/aoutload.c

@@ -57,16 +57,23 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
     int image_retval;
     struct exec ehdr;
     unsigned long start, size;
+    unsigned int offset;
 
     image_name = image_version = 0;
 
     if (!file_open(filename))
 	goto out;
 
-    if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
-	debug("Can't read a.out header\n");
-	retval = LOADER_NOT_SUPPORT;
-	goto out;
+    for (offset = 0; offset < 16 * 512; offset += 512) {
+        if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
+            debug("Can't read a.out header\n");
+            retval = LOADER_NOT_SUPPORT;
+            goto out;
+        }
+        if (!N_BADMAG(ehdr))
+            break;
+
+        file_seek(offset);
     }
 
     if (N_BADMAG(ehdr)) {
@@ -76,9 +83,9 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
     }
 
     if (N_MAGIC(ehdr) == NMAGIC) {
-        size = N_DATADDR(ehdr) + ehdr.a_data;
+        size = addr_fixup(N_DATADDR(ehdr)) + addr_fixup(ehdr.a_data);
     } else {
-        size = ehdr.a_text + ehdr.a_data;
+        size = addr_fixup(ehdr.a_text) + addr_fixup(ehdr.a_data);
     }
 
     start = 0x4000; // N_TXTADDR(ehdr);
@@ -88,7 +95,7 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
 
     printf("Loading a.out %s...\n", image_name ? image_name : "image");
 
-    file_seek(N_TXTOFF(ehdr));
+    file_seek(offset + N_TXTOFF(ehdr));
 
     if (N_MAGIC(ehdr) == NMAGIC) {
         if (lfile_read(start, ehdr.a_text) != ehdr.a_text) {
@@ -108,18 +115,19 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
     
     debug("Loaded %lu bytes\n", size);
 
-    debug("entry point is %#x\n", start);
+    debug("entry point is %#lx\n", start);
     printf("Jumping to entry point...\n");
 
 #if 1
     {
         extern unsigned int qemu_mem_size;
+        extern char boot_device;
         void *init_openprom(unsigned long memsize, const char *cmdline, char boot_device);
 
         int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
         const void *romvec;
 
-        romvec = init_openprom(qemu_mem_size, cmdline, 'c');
+        romvec = init_openprom(qemu_mem_size, cmdline, boot_device);
         entry = (void *) addr_fixup(start);
         image_retval = entry(romvec, 0, 0, 0, 0);
     }

arch/sparc32/boot.c

@@ -16,24 +16,54 @@ int linux_load(struct sys_info *, const char *filename, const char *cmdline);
 void boot(void);
 
 struct sys_info sys_info;                                                       
+uint32_t kernel_image;
+uint32_t kernel_size;
+uint32_t cmdline;
+uint32_t cmdline_size;
+char boot_device;
 
 void boot(void)
 {
 	char *path=pop_fstr_copy(), *param;
 	
-	// char *param="root=/dev/hda2 console=ttyS0,115200n8 console=tty0";
-	
+        if (kernel_size) {
+            extern unsigned int qemu_mem_size;
+            void *init_openprom(unsigned long memsize, const char *cmdline, char boot_device);
+
+            int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
+            const void *romvec;
+
+            printk("[sparc] Kernel already loaded\n");
+            romvec = init_openprom(qemu_mem_size, (void *)cmdline, boot_device);
+            entry = (void *) kernel_image;
+            entry(romvec, 0, 0, 0, 0);
+        }
+
 	if(!path) {
+            switch(boot_device) {
+            case 'a':
+                path = "/obio/SUNW,fdtwo";
+                break;
+            case 'c':
+                path = "disk";
+                break;
+            default:
+            case 'd':
                 path = "cdrom";
-		//printk("[sparc] Booting default not supported.\n");
-		//return;
+                break;
+            case 'n':
+                path = "net";
+                break;
+            }
 	}
 
 	param = strchr(path, ' ');
 	if(param) {
 		*param = '\0';
 		param++;
-	}
+	} else if (cmdline_size) {
+            param = (char *)cmdline;
+        }
 	
 	printk("[sparc] Booting file '%s' with parameters '%s'\n",path, param);
 

arch/sparc32/elfload.c

@@ -76,7 +76,8 @@ badseg:
 }
 
 static unsigned long process_image_notes(Elf_phdr *phdr, int phnum,
-	unsigned short *sum_ptr)
+                                         unsigned short *sum_ptr,
+                                         unsigned int offset)
 {
     int i;
     char *buf = NULL;
@@ -90,7 +91,7 @@ static unsigned long process_image_notes(Elf_phdr *phdr, int phnum,
 	if (phdr[i].p_type != PT_NOTE)
 	    continue;
 	buf = malloc(phdr[i].p_filesz);
-	file_seek(phdr[i].p_offset);
+	file_seek(offset + phdr[i].p_offset);
 	if (lfile_read(buf, phdr[i].p_filesz) != phdr[i].p_filesz) {
 	    printf("Can't read note segment\n");
 	    goto out;
@@ -132,7 +133,8 @@ out:
 }
 
 static int load_segments(Elf_phdr *phdr, int phnum,
-	unsigned long checksum_offset)
+                         unsigned long checksum_offset,
+                         unsigned int offset)
 {
     unsigned long bytes;
     //unsigned int start_time, time;
@@ -145,7 +147,7 @@ static int load_segments(Elf_phdr *phdr, int phnum,
 	    continue;
 	debug("segment %d addr:%#x file:%#x mem:%#x ",
               i, addr_fixup(phdr[i].p_paddr), phdr[i].p_filesz, phdr[i].p_memsz);
-	file_seek(phdr[i].p_offset);
+	file_seek(offset + phdr[i].p_offset);
 	debug("loading... ");
 	if (lfile_read(phys_to_virt(addr_fixup(phdr[i].p_paddr)), phdr[i].p_filesz)
 		!= phdr[i].p_filesz) {
@@ -309,16 +311,24 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
     Elf_Bhdr *boot_notes = NULL;
     int retval = -1;
     int image_retval;
+    unsigned int offset;
 
     image_name = image_version = 0;
 
     if (!file_open(filename))
 	goto out;
 
-    if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
-	debug("Can't read ELF header\n");
-	retval = LOADER_NOT_SUPPORT;
-	goto out;
+    for (offset = 0; offset < 16 * 512; offset += 512) {
+        if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
+            debug("Can't read ELF header\n");
+            retval = LOADER_NOT_SUPPORT;
+            goto out;
+        }
+
+        if (ehdr.e_ident[EI_MAG0] == ELFMAG0)
+            break;
+
+        file_seek(offset);
     }
 
     if (ehdr.e_ident[EI_MAG0] != ELFMAG0
@@ -339,7 +349,7 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
 
     phdr_size = ehdr.e_phnum * sizeof *phdr;
     phdr = malloc(phdr_size);
-    file_seek(ehdr.e_phoff);
+    file_seek(offset + ehdr.e_phoff);
     if (lfile_read(phdr, phdr_size) != phdr_size) {
 	printf("Can't read program header\n");
 	goto out;
@@ -348,14 +358,14 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
     if (!check_mem_ranges(info, phdr, ehdr.e_phnum))
 	goto out;
 
-    checksum_offset = process_image_notes(phdr, ehdr.e_phnum, &checksum);
+    checksum_offset = process_image_notes(phdr, ehdr.e_phnum, &checksum, offset);
 
     printf("Loading %s", image_name ? image_name : "image");
     if (image_version)
 	printf(" version %s", image_version);
     printf("...\n");
 
-    if (!load_segments(phdr, ehdr.e_phnum, checksum_offset))
+    if (!load_segments(phdr, ehdr.e_phnum, checksum_offset, offset))
 	goto out;
     
     if (checksum_offset) {
@@ -373,12 +383,13 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
 #if 1
     {
         extern unsigned int qemu_mem_size;
+        extern char boot_device;
         void *init_openprom(unsigned long memsize, const char *cmdline, char boot_device);
 
         int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
         const void *romvec;
 
-        romvec = init_openprom(qemu_mem_size, cmdline, 'c');
+        romvec = init_openprom(qemu_mem_size, cmdline, boot_device);
         entry = (void *) addr_fixup(ehdr.e_entry);
         image_retval = entry(romvec, 0, 0, 0, 0);
     }

arch/sparc32/openbios.c

@@ -19,6 +19,10 @@
 void boot(void);
 void ob_ide_init(void);
 
+#define IOMMU_BASE    0x10000000 /* First page of sun4m IOMMU */
+#define SLAVIO_BASE   0x71000000
+#define MACIO_BASE    0x70000000
+
 static unsigned char intdict[256 * 1024];
 
 static void init_memory(void)
@@ -50,17 +54,19 @@ arch_init( void )
 
 	modules_init();
 #ifdef CONFIG_DRIVER_SBUS
-        init_mmu_swift();
+        init_mmu_swift(IOMMU_BASE);
    
 	ob_sbus_init();
 #endif
 #ifdef CONFIG_DRIVER_ESP
-	ob_esp_init();
+	ob_esp_init(MACIO_BASE);
 #endif
 #ifdef CONFIG_DRIVER_OBIO
-	ob_obio_init(0x71000000);
+	ob_obio_init(SLAVIO_BASE);
+        nvram_init();
 #endif
 	device_end();
+
 	bind_func("platform-boot", boot );
 }
 

arch/sparc32/romvec.c

@@ -61,9 +61,6 @@ static const struct linux_arguments_v0 * const obp_argp = &obp_arg;
 static void (*synch_hook)(void);
 
 static struct linux_romvec romvec0;
-static int prop_mem_reg[3];
-static int prop_mem_avail[3];
-static int prop_vmem_avail[6];
 
 static void doublewalk(__attribute__((unused)) unsigned int ptab1,
                        __attribute__((unused)) unsigned int va)
@@ -418,31 +415,18 @@ init_openprom(unsigned long memsize, const char *cmdline, char boot_device)
     /*
      * Form memory descriptors.
      */
-    totphys[0].theres_more = 0;
+    totphys[0].theres_more = NULL;
     totphys[0].start_adr = (char *) 0;
     totphys[0].num_bytes = memsize;
 
-    totavail[0].theres_more = 0;
-    totavail[0].start_adr = (char*) 0;
+    totavail[0].theres_more = NULL;
+    totavail[0].start_adr = (char *) 0;
     totavail[0].num_bytes = memsize;
 
-    totmap[0].theres_more = 0;
+    totmap[0].theres_more = NULL;
     totmap[0].start_adr = &_start;
     totmap[0].num_bytes = (unsigned long) &_iomem - (unsigned long) &_start;
 
-    prop_mem_reg[0] = 0;
-    prop_mem_reg[1] = 0;
-    prop_mem_reg[2] = memsize;
-    prop_mem_avail[0] = 0;
-    prop_mem_avail[1] = 0;
-    prop_mem_avail[2] = va2pa((unsigned long)&_data) - 1;
-    prop_vmem_avail[0] = 0;
-    prop_vmem_avail[1] = 0;
-    prop_vmem_avail[2] = (unsigned long)&_start - 1;
-    prop_vmem_avail[3] = 0;
-    prop_vmem_avail[4] = 0xffe00000;
-    prop_vmem_avail[5] = 0x00200000;
-
     // Linux wants a R/W romvec table
     romvec0.pv_magic_cookie = LINUX_OPPROM_MAGIC;
     romvec0.pv_romvers = 0;
@@ -478,6 +462,7 @@ init_openprom(unsigned long memsize, const char *cmdline, char boot_device)
     romvec0.pv_v2devops.v2_dev_seek = obp_devseek;
     obp_arg.boot_dev_ctrl = 0;
     obp_arg.boot_dev_unit = 0;
+    obp_arg.dev_partition = 4;
     obp_arg.argv[0] = "sd(0,0,0):d";
 
     switch(boot_device) {
@@ -503,7 +488,7 @@ init_openprom(unsigned long memsize, const char *cmdline, char boot_device)
     }
     obp_arg.argv[1] = cmdline;
     romvec0.pv_v2bootargs.bootpath = &obp_arg.argv[0];
-    romvec0.pv_v2bootargs.bootargs = &cmdline;
+    romvec0.pv_v2bootargs.bootargs = &obp_arg.argv[1];
     romvec0.pv_v2bootargs.fd_stdin = &obp_fd_stdin;
     romvec0.pv_v2bootargs.fd_stdout = &obp_fd_stdout;
 

arch/sparc32/tree.fs

@@ -5,9 +5,6 @@
   " SUNW,SparcStation-5" encode-string " name" property
   " SparcStation" encode-string " banner-name" property
   " sun4m" encode-string " compatible" property
-  h# 01800000 encode-int 0 encode-int encode+ 0 encode-int encode+ h# 00000081 encode-int encode+ 
-   0 encode-int encode+ 0 encode-int encode+ 0 encode-int encode+ 0 encode-int encode+
-   " idprom" property \ XXX
   " /obio/zs@0,100000:a" encode-string " stdin-path" property
   " /obio/zs@0,100000:a" encode-string " stdout-path" property
   : encode-unit encode-unit-sbus ;
@@ -15,8 +12,6 @@
 
 new-device
   " memory" device-name
-  h# 100000 encode-int " available" property \ XXX
-  h# 0 encode-int h# 10000000 encode-int encode+ h# 00000300 encode-int encode+ " reg" property \ XXX
   external
   : open true ;
   : close ;
@@ -26,8 +21,6 @@ finish-device
 
 new-device
   " virtual-memory" device-name
-  h# 100000 encode-int " available" property \ XXX
-  h# 0 encode-int h# 10000000 encode-int encode+ h# 00000300 encode-int encode+ " reg" property \ XXX
   external
   : open true ;
   : close ;
@@ -131,7 +124,6 @@ finish-device
 " /iommu/sbus" find-device
 new-device
   " espdma" device-name
-  h# 4 encode-int h# 08400000 encode-int encode+ h# 00000010 encode-int encode+ " reg" property
   external
   : encode-unit encode-unit-sbus ;
   : decode-unit decode-unit-sbus ;
@@ -180,76 +172,6 @@ new-device
   : decode-unit decode-unit-sbus ;
 finish-device
 
-" /obio" find-device
-new-device
-  " SUNW,fdtwo" device-name
-  " block" device-type
-  h# 0 encode-int h# 00400000 encode-int encode+ h# 0000000f encode-int encode+ " reg" property
-  h# 2b encode-int 0 encode-int encode+ " intr" property
-finish-device
-
-" /obio" find-device
-new-device
-  " auxio" device-name
-  h# 0 encode-int h# 00900000 encode-int encode+ h# 00000001 encode-int encode+ " reg" property
-finish-device
-
-" /obio" find-device
-new-device
-  " counter" device-name
-  h# 0 encode-int h# 00d00000 encode-int encode+ h# 00000010 encode-int encode+
-  h# 0 encode-int encode+ h# 00d10000 encode-int encode+ h# 00000010 encode-int encode+
-   " reg" property
-finish-device
-
-" /obio" find-device
-new-device
-  " eeprom" device-name
-  h# 0 encode-int h# 00200000 encode-int encode+ h# 00002000 encode-int encode+ " reg" property
-  " mk48t08" model
-finish-device
-
-" /obio" find-device
-new-device
-  " interrupt" device-name
-  h# 0 encode-int h# 00e00000 encode-int encode+ h# 00000010 encode-int encode+
-  h# 0 encode-int encode+ h# 00e10000 encode-int encode+ h# 00000010 encode-int encode+
-   " reg" property
-finish-device
-
-" /obio" find-device
-new-device
-  " power" device-name
-  h# 0 encode-int h# 00910000 encode-int encode+ h# 00000001 encode-int encode+ " reg" property
-  h# 22 encode-int 0 encode-int encode+ " intr" property
-finish-device
-
-" /obio" find-device
-new-device
-  " slavioconfig" device-name
-  h# 0 encode-int h# 00800000 encode-int encode+ h# 00000001 encode-int encode+ " reg" property
-finish-device
-
-" /obio" find-device
-new-device
-  " zs" device-name
-  " serial" device-type
-  h# 0 encode-int h# 00000000 encode-int encode+ h# 00000008 encode-int encode+ " reg" property
-  1 encode-int " slave" property
-  h# 2c encode-int 0 encode-int encode+ " intr" property
-  -1 encode-int " keyboard" property
-  -1 encode-int " mouse" property
-finish-device
-
-" /obio" find-device
-new-device
-  " zs" device-name
-  " serial" device-type
-  h# 0 encode-int h# 00100000 encode-int encode+ h# 00000008 encode-int encode+ " reg" property
-  0 encode-int " slave" property
-  h# 2c encode-int 0 encode-int encode+ " intr" property
-finish-device
-
 " /options" find-device
   " disk" encode-string " boot-from" property
 

config/examples/cross-sparc32_config.xml

@@ -61,6 +61,7 @@
   <option name="CONFIG_FSYS_NTFS" type="boolean" value="false"/>
   <option name="CONFIG_FSYS_AFFS" type="boolean" value="true"/>
   <option name="CONFIG_DEBUG_FS" type="boolean" value="false"/>
+  <option name="CONFIG_DEBUG_EXT2FS" type="boolean" value="false"/>
   
   <!-- Miscellaneous -->
   <option name="CONFIG_LINUXBIOS" type="boolean" value="false"/>

config/examples/sparc32_config.xml

@@ -61,6 +61,7 @@
   <option name="CONFIG_FSYS_NTFS" type="boolean" value="false"/>
   <option name="CONFIG_FSYS_AFFS" type="boolean" value="true"/>
   <option name="CONFIG_DEBUG_FS" type="boolean" value="false"/>
+  <option name="CONFIG_DEBUG_EXT2FS" type="boolean" value="false"/>
   
   <!-- Miscellaneous -->
   <option name="CONFIG_LINUXBIOS" type="boolean" value="false"/>

include/sparc32/io.h

@@ -38,7 +38,7 @@ void *mem_alloc(struct mem *t, int size, int align);
 void *mem_zalloc(struct mem *t, int size, int align);
 int map_page(unsigned long va, unsigned long epa, int type);
 void *map_io(unsigned pa, int size);
-void init_mmu_swift(void);
+void init_mmu_swift(unsigned long base);
 void *dvma_alloc(int size, unsigned int *pphys);
 
 #ifndef BOOTSTRAP