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@@ -27,6 +27,16 @@ static char *hob_type[] = {
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"Capsule",
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};
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+static char *res_type[] = {
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+ "System",
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+ "Memory-mapped I/O",
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+ "I/O",
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+ "Firmware device",
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+ "Memory-mapped I/O port",
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+ "Reserved",
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+ "I/O reserved",
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+};
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+
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static struct guid_name {
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efi_guid_t guid;
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const char *name;
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@@ -58,6 +68,26 @@ static const char *guid_to_name(const efi_guid_t *guid)
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return NULL;
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}
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+static void show_hob_details(const struct hob_header *hdr)
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+{
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+ const void *ptr = hdr;
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+
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+ switch (hdr->type) {
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+ case HOB_TYPE_RES_DESC: {
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+ const struct hob_res_desc *res = ptr;
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+ const char *typename;
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+
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+ typename = res->type > 0 && res->type <= RES_MAX_MEM_TYPE ?
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+ res_type[res->type] : "unknown";
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+
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+ printf(" base = %08llx, len = %08llx, end = %08llx, type = %d (%s)\n\n",
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+ res->phys_start, res->len, res->phys_start + res->len,
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+ res->type, typename);
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+ break;
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+ }
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+ }
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+}
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+
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static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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const struct hob_header *hdr;
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@@ -66,12 +96,20 @@ static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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int i = 0;
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efi_guid_t *guid;
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char uuid[UUID_STR_LEN + 1];
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+ bool verbose = false;
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int seq = -1; /* Show all by default */
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argc--;
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argv++;
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- if (argc)
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- seq = simple_strtol(*argv, NULL, 16);
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+ if (argc) {
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+ if (!strcmp("-v", *argv)) {
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+ verbose = true;
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+ argc--;
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+ argv++;
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+ }
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+ if (argc)
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+ seq = simple_strtol(*argv, NULL, 16);
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+ }
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hdr = gd->arch.hob_list;
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printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
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@@ -111,13 +149,16 @@ static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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printf("%36s", "Not Available");
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}
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printf("\n");
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+ if (verbose)
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+ show_hob_details(hdr);
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}
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return 0;
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}
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-U_BOOT_CMD(hob, 2, 1, do_hob,
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- "[seq] Print Hand-Off Block (HOB) information"
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+U_BOOT_CMD(hob, 3, 1, do_hob,
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+ "[-v] [seq] Print Hand-Off Block (HOB) information"
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+ " -v - Show detailed HOB information where available"
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" seq - Record # to show (all by default)",
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""
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);
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