#include <elf.h>
#include <net.h>
#include <vxworks.h>
+#ifdef CONFIG_X86
+#include <asm/e820.h>
+#include <linux/linkage.h>
+#endif
/*
* A very simple elf loader, assumes the image is valid, returns the
char *bootline; /* Text of the bootline */
char *tmp; /* Temporary char pointer */
char build_buf[128]; /* Buffer for building the bootline */
+ int ptr = 0;
+#ifdef CONFIG_X86
+ struct e820info *info;
+ struct e820entry *data;
+#endif
/*
* Check the loadaddr variable.
/*
* Use bootaddr to find the location in memory that VxWorks
- * will look for the bootline string. The default value for
- * PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which
- * defaults to 0x4200.
+ * will look for the bootline string. The default value is
+ * (LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET) as defined by
+ * VxWorks BSP. For example, on PowerPC it defaults to 0x4200.
*/
tmp = getenv("bootaddr");
- if (!tmp)
- bootaddr = CONFIG_SYS_VXWORKS_BOOT_ADDR;
- else
- bootaddr = simple_strtoul(tmp, NULL, 16);
-
- /*
- * Check to see if the bootline is defined in the 'bootargs'
- * parameter. If it is not defined, we may be able to
- * construct the info.
- */
- bootline = getenv("bootargs");
- if (bootline) {
- memcpy((void *)bootaddr, bootline,
- max(strlen(bootline), (size_t)255));
- flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
+ if (!tmp) {
+ printf("## VxWorks bootline address not specified\n");
} else {
- sprintf(build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
- tmp = getenv("bootfile");
- if (tmp)
- sprintf(&build_buf[strlen(build_buf)],
- "%s:%s ", CONFIG_SYS_VXWORKS_SERVERNAME, tmp);
- else
- sprintf(&build_buf[strlen(build_buf)],
- "%s:file ", CONFIG_SYS_VXWORKS_SERVERNAME);
+ bootaddr = simple_strtoul(tmp, NULL, 16);
- tmp = getenv("ipaddr");
- if (tmp)
- sprintf(&build_buf[strlen(build_buf)], "e=%s ", tmp);
+ /*
+ * Check to see if the bootline is defined in the 'bootargs'
+ * parameter. If it is not defined, we may be able to
+ * construct the info.
+ */
+ bootline = getenv("bootargs");
+ if (bootline) {
+ memcpy((void *)bootaddr, bootline,
+ max(strlen(bootline), (size_t)255));
+ flush_cache(bootaddr, max(strlen(bootline),
+ (size_t)255));
+ } else {
+ tmp = getenv("bootdev");
+ if (tmp) {
+ strcpy(build_buf, tmp);
+ ptr = strlen(tmp);
+ } else
+ printf("## VxWorks boot device not specified\n");
+
+ tmp = getenv("bootfile");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr,
+ "host:%s ", tmp);
+ else
+ ptr += sprintf(build_buf + ptr,
+ "host:vxWorks ");
+
+ /*
+ * The following parameters are only needed if 'bootdev'
+ * is an ethernet device, otherwise they are optional.
+ */
+ tmp = getenv("ipaddr");
+ if (tmp) {
+ ptr += sprintf(build_buf + ptr, "e=%s", tmp);
+ tmp = getenv("netmask");
+ if (tmp) {
+ u32 mask = getenv_ip("netmask").s_addr;
+ ptr += sprintf(build_buf + ptr,
+ ":%08x ", ntohl(mask));
+ } else {
+ ptr += sprintf(build_buf + ptr, " ");
+ }
+ }
+
+ tmp = getenv("serverip");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "h=%s ", tmp);
+
+ tmp = getenv("gatewayip");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "g=%s ", tmp);
+
+ tmp = getenv("hostname");
+ if (tmp)
+ ptr += sprintf(build_buf + ptr, "tn=%s ", tmp);
+
+ tmp = getenv("othbootargs");
+ if (tmp) {
+ strcpy(build_buf + ptr, tmp);
+ ptr += strlen(tmp);
+ }
+
+ memcpy((void *)bootaddr, build_buf,
+ max(strlen(build_buf), (size_t)255));
+ flush_cache(bootaddr, max(strlen(build_buf),
+ (size_t)255));
+ }
- tmp = getenv("serverip");
- if (tmp)
- sprintf(&build_buf[strlen(build_buf)], "h=%s ", tmp);
+ printf("## Using bootline (@ 0x%lx): %s\n", bootaddr,
+ (char *)bootaddr);
+ }
- tmp = getenv("hostname");
- if (tmp)
- sprintf(&build_buf[strlen(build_buf)], "tn=%s ", tmp);
+#ifdef CONFIG_X86
+ /*
+ * Since E820 information is critical to the kernel, if we don't
+ * specify these in the environments, use a default one.
+ */
+ tmp = getenv("e820data");
+ if (tmp)
+ data = (struct e820entry *)simple_strtoul(tmp, NULL, 16);
+ else
+ data = (struct e820entry *)VXWORKS_E820_DATA_ADDR;
+ tmp = getenv("e820info");
+ if (tmp)
+ info = (struct e820info *)simple_strtoul(tmp, NULL, 16);
+ else
+ info = (struct e820info *)VXWORKS_E820_INFO_ADDR;
-#ifdef CONFIG_SYS_VXWORKS_ADD_PARAMS
- sprintf(&build_buf[strlen(build_buf)],
- CONFIG_SYS_VXWORKS_ADD_PARAMS);
+ memset(info, 0, sizeof(struct e820info));
+ info->sign = E820_SIGNATURE;
+ info->entries = install_e820_map(E820MAX, data);
+ info->addr = (info->entries - 1) * sizeof(struct e820entry) +
+ VXWORKS_E820_DATA_ADDR;
#endif
- memcpy((void *)bootaddr, build_buf,
- max(strlen(build_buf), (size_t)255));
- flush_cache(bootaddr, max(strlen(build_buf), (size_t)255));
- }
-
/*
* If the data at the load address is an elf image, then
* treat it like an elf image. Otherwise, assume that it is a
else
puts("## Not an ELF image, assuming binary\n");
- printf("## Using bootline (@ 0x%lx): %s\n", bootaddr,
- (char *)bootaddr);
printf("## Starting vxWorks at 0x%08lx ...\n", addr);
dcache_disable();
+#ifdef CONFIG_X86
+ /* VxWorks on x86 uses stack to pass parameters */
+ ((asmlinkage void (*)(int))addr)(0);
+#else
((void (*)(int))addr)(0);
+#endif
puts("## vxWorks terminated\n");
projects / u-boot / blobdiff