Revert "Merge patch series "pxe: Precursor series for supporting read_all() in extlinux / PXE""

This reverts commit 8bc3542384e3a1219e5ffb62b79d16dddc1b1fb9, reversing
changes made to 698edd63eca090a2e299cd3facf90a0b97bed677.

There are still problems with this series to work out.

Link: https://lore.kernel.org/u-boot/CAFLszTjw_MJbK9tpzVYi3XKGazcv55auBAdgVzcAVUta7dRqcg@mail.gmail.com/
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/bootm.h b/include/bootm.h
index 465577a..6116070 100644
--- a/include/bootm.h
+++ b/include/bootm.h
@@ -44,21 +44,6 @@
  * @argc: Number of arguments to the command (excluding the actual command).
  *	This is 0 if there are no arguments
  * @argv: NULL-terminated list of arguments, or NULL if there are no arguments
- *
- * For zboot:
- * @bzimage_addr: Address of the bzImage to boot, or 0 if the image has already
- *	been loaded and does not exist (as a cohesive whole) in memory
- * @bzimage_size: Size of the bzImage, or 0 to detect this
- * @initrd_addr: Address of the initial ramdisk, or 0 if none
- * @initrd_size: Size of the initial ramdisk, or 0 if none
- * @load_address: Address where the bzImage is moved before booting, either
- *	BZIMAGE_LOAD_ADDR or ZIMAGE_LOAD_ADDR
- *	This is set up when loading the zimage
- * @base_ptr: Pointer to the boot parameters, typically at address
- *	DEFAULT_SETUP_BASE
- *	This is set up when loading the zimage
- * @cmdline: Environment variable containing the 'override' command line, or
- *	NULL to use the one in the setup block
  */
 struct bootm_info {
 	const char *addr_img;
@@ -69,39 +54,11 @@
 	const char *cmd_name;
 	int argc;
 	char *const *argv;
-
-	/* zboot items */
-#ifdef CONFIG_X86
-	ulong bzimage_addr;
-	ulong bzimage_size;
-	ulong initrd_addr;
-	ulong initrd_size;
-	ulong load_address;
-	struct boot_params *base_ptr;
-	const char *cmdline;
-#endif
 };
 
-/* macro to allow setting fields in generic code */
-#ifdef CONFIG_X86
-#define bootm_x86_set(_bmi, _field, _val)	(_bmi)->_field = (_val)
-#else
-#define bootm_x86_set(_bmi, _field, _val)
-#endif
-
-static inline ulong bootm_len(void)
-{
-#ifdef CONFIG_SYS_BOOTM_LEN
-	return CONFIG_SYS_BOOTM_LEN;
-#endif
-	return 0;
-}
-
 /**
  * bootm_init() - Set up a bootm_info struct with useful defaults
  *
- * @bmi: Bootm information
- *
  * Set up the struct with default values for all members:
  * @boot_progress is set to true and @images is set to the global images
  * variable. Everything else is set to NULL except @argc which is 0
@@ -117,7 +74,7 @@
  *  - disabled interrupts.
  *
  * @flag: Flags indicating what to do (BOOTM_STATE_...)
- * @bmi: Bootm information
+ * bmi: Bootm information
  * Return: 1 on error. On success the OS boots so this function does
  * not return.
  */
@@ -318,15 +275,6 @@
 /**
  * zboot_run() - Run through the various steps to boot a zimage
  *
- * @bmi: Bootm information, with bzimage_size, initrd_addr, initrd_size and
- * cmdline set up. If base_ptr is 0, then bzimage_addr must be set to the start
- * of the bzImage. Otherwise base_ptr and load_address must be provided.
- */
-int zboot_run(struct bootm_info *bmi);
-
-/**
- * zboot_run_args() - Run through the various steps to boot a zimage
- *
  * Boot a zimage, given the component parts
  *
  * @addr: Address where the bzImage is moved before booting, either
@@ -341,8 +289,8 @@
  *	to use for booting
  * Return: -EFAULT on error (normally it does not return)
  */
-int zboot_run_args(ulong addr, ulong size, ulong initrd, ulong initrd_size,
-		   ulong base, char *cmdline);
+int zboot_run(ulong addr, ulong size, ulong initrd, ulong initrd_size,
+	      ulong base, char *cmdline);
 
 /*
  * zimage_get_kernel_version() - Get the version string from a kernel
@@ -359,10 +307,11 @@
  *
  * This shows all available information in a zimage that has been loaded.
  *
- * @bmi: Bootm information, with valid base_ptr
+ * @base_ptr: Pointer to the boot parameters, typically at address
+ *	DEFAULT_SETUP_BASE
  * @show_cmdline: true to show the full command line
  */
-void zimage_dump(struct bootm_info *bmi, bool show_cmdline);
+void zimage_dump(struct boot_params *base_ptr, bool show_cmdline);
 
 /*
  * bootm_boot_start() - Boot an image at the given address
diff --git a/include/image.h b/include/image.h
index 2455baa..c1db838 100644
--- a/include/image.h
+++ b/include/image.h
@@ -244,7 +244,7 @@
  * New IDs *MUST* be appended at the end of the list and *NEVER*
  * inserted for backward compatibility.
  */
-enum image_comp_t {
+enum {
 	IH_COMP_NONE		= 0,	/*  No	 Compression Used	*/
 	IH_COMP_GZIP,			/* gzip	 Compression Used	*/
 	IH_COMP_BZIP2,			/* bzip2 Compression Used	*/
@@ -598,13 +598,10 @@
 		   ulong *setup_len);
 
 /* Image format types, returned by _get_format() routine */
-enum image_fmt_t {
-	IMAGE_FORMAT_INVALID,
-	IMAGE_FORMAT_LEGACY,		/* legacy image_header based format */
-	IMAGE_FORMAT_FIT,		/* new, libfdt based format */
-	IMAGE_FORMAT_ANDROID,		/* Android boot image */
-	IMAGE_FORMAT_BOOTI,		/* Arm64/RISC-V boot image */
-};
+#define IMAGE_FORMAT_INVALID	0x00
+#define IMAGE_FORMAT_LEGACY	0x01	/* legacy image_header based format */
+#define IMAGE_FORMAT_FIT	0x02	/* new, libfdt based format */
+#define IMAGE_FORMAT_ANDROID	0x03	/* Android boot image */
 
 /**
  * genimg_get_kernel_addr_fit() - Parse FIT specifier
@@ -633,43 +630,10 @@
 				 const char **fit_uname_kernel);
 
 ulong genimg_get_kernel_addr(char * const img_addr);
-
-/**
- * genimg_get_format - get image format type
- * @img_addr: image start address
- * Return: image format type or IMAGE_FORMAT_INVALID if no image is present
- *
- * genimg_get_format() checks whether provided address points to a valid
- * legacy or FIT image.
- *
- * New uImage format and FDT blob are based on a libfdt. FDT blob
- * may be passed directly or embedded in a FIT image. In both situations
- * genimg_get_format() must be able to dectect libfdt header.
- */
-enum image_fmt_t genimg_get_format(const void *img_addr);
-
-/**
- * genimg_get_format_comp() - Like genimg_get_format() but adds compressed booti
- *
- * If a compressed file is detected (with image_decomp_type()) and
- * CONFIG_CMD_BOOTI is enabled, then this returns IMAGE_FORMAT_BOOTI
- *
- * @img_addr: image start address
- * Return: image format type or IMAGE_FORMAT_INVALID if no image is present
- */
-enum image_fmt_t genimg_get_format_comp(const void *img_addr);
-
+int genimg_get_format(const void *img_addr);
 int genimg_has_config(struct bootm_headers *images);
 
 /**
- * booti_is_valid() - Check if an image appears to be an Arm64 image
- *
- * @img: Pointer to image
- * Return: true if the image has the Arm64 magic
- */
-bool booti_is_valid(const void *img);
-
-/**
  * boot_get_fpga() - Locate the FPGA image
  *
  * @images: Information about images being loaded
diff --git a/include/net-common.h b/include/net-common.h
index 6a39091..1d507b1 100644
--- a/include/net-common.h
+++ b/include/net-common.h
@@ -475,36 +475,6 @@
 enum proto_t;
 int net_loop(enum proto_t protocol);
 
-/* internal function: do not use! */
-int netboot_run_(enum proto_t proto, ulong addr, const char *fname, ulong size,
-		 bool fname_explicit, bool ipv6);
-
-/**
- * netboot_run() - Run a network operation
- *
- * The following proto values are NOT supported:
- *	PING, since net_ping_ip cannot be set
- *	NETCONS, since its parameters cannot bet set
- *	RS, since first_call cannot be set, along with perhaps other things
- *	UDP, since udp_ops cannot be set
- *	DNS, since net_dns_resolve and net_dns_env_var cannot be set
- *	WGET, since DNS must be done first and that is not supported
- *	DHCP6, since the required parameters cannot be passed in
- *
- * To support one of these, either add the required arguments or perhaps a
- * separate function and a struct to hold the information.
- *
- * @proto: Operation to run: TFTPGET, FASTBOOT_UDP, FASTBOOT_TCP, BOOTP,
- *	TFTPPUT, RARP, NFS, DHCP
- * @addr: Load/save address
- * @fname: Filename
- * @size: Save size (not used for TFTPGET)
- * @ipv6: true to use IPv6, false to use IPv4
- * Return 0 on success, else -ve error code
- */
-int netboot_run(enum proto_t proto, ulong addr, const char *fname, ulong size,
-		bool ipv6);
-
 /**
  * dhcp_run() - Run DHCP on the current ethernet device
  *