[PATCH 13/14] pxe: Allow booting without CMDLINE for the zboot method

[Simon Glass]

Use zboot_run() to boot rather than the command line. This allows
extlinux to be used (on x86) without CMDLINE being enabled.

Collect any error but do not return it, to match the existing code.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 boot/pxe_utils.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/boot/pxe_utils.c b/boot/pxe_utils.c
index 322ee93a2804..2bfd82e68b9b 100644
--- a/boot/pxe_utils.c
+++ b/boot/pxe_utils.c
@@ -568,10 +568,8 @@ static int label_run_boot(struct pxe_context *ctx, struct pxe_label *label,
 			  char *initrd_addr_str, char *initrd_filesize)
 {
 	struct bootm_info bmi;
-	char *zboot_argv[] = { "zboot", NULL, "0", NULL, NULL };
 	const char *fdt_addr;
 	ulong kernel_addr_r;
-	int zboot_argc = 3;
 	void *buf;
 	int ret;
 
@@ -624,16 +622,10 @@ static int label_run_boot(struct pxe_context *ctx, struct pxe_label *label,
 	}
 
 	bmi.addr_fit = kernel_addr;
-	zboot_argv[1] = kernel_addr;
 
-	if (initrd_addr_str) {
+	if (initrd_addr_str)
 		bmi.conf_ramdisk = initrd_str;
 
-		zboot_argv[3] = initrd_addr_str;
-		zboot_argv[4] = initrd_filesize;
-		zboot_argc = 5;
-	}
-
 	if (!fdt_addr)
 		fdt_addr = env_get("fdt_addr");
 
@@ -658,8 +650,13 @@ static int label_run_boot(struct pxe_context *ctx, struct pxe_label *label,
 	else if (IS_ENABLED(CONFIG_BOOTM))
 		ret = bootz_run(&bmi);
 	/* Try booting an x86_64 Linux kernel image */
-	else if (IS_ENABLED(CONFIG_CMD_ZBOOT))
-		do_zboot_parent(ctx->cmdtp, 0, zboot_argc, zboot_argv, NULL);
+	else if (IS_ENABLED(CONFIG_ZBOOT))
+		ret = zboot_run(hextoul(kernel_addr, NULL), 0,
+				initrd_addr_str ?
+					hextoul(initrd_addr_str, NULL) : 0,
+				initrd_addr_str ?
+					hextoul(initrd_filesize, NULL) : 0,
+				0, NULL);
 
 	unmap_sysmem(buf);
 
-- 
2.43.0.rc2.451.g8631bc7472-goog