Merge tag 'efi-2022-04-rc1' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-04-rc1

Documentation:

* Fix building HTML documentation of readthedocs.io
* Add ARM Juno board documentation
* Build requirements for Alpine Linux
* Include DM headers in API documentation

UEFI:

* Fix section alignment of EFI binaries
* Fix header length of RISC-V EFI binaries allowing to run them on EDK II
* Remove kaslr-seed from device tree if the EFI_RNG_PROTOCOL is provided

Other:

* Let 'part list' show all 128 GPT partitions

14 files changed, 47 insertions, 36 deletions

diff --git a/arch/arm/lib/crt0_aarch64_efi.S b/arch/arm/lib/crt0_aarch64_efi.S
index 492195f765..7f38465359 100644
--- a/arch/arm/lib/crt0_aarch64_efi.S
+++ b/arch/arm/lib/crt0_aarch64_efi.S
@@ -47,8 +47,8 @@ optional_header:
 
 extra_header_fields:
 	.quad	0				/* ImageBase */
-	.long	0x20				/* SectionAlignment */
-	.long	0x8				/* FileAlignment */
+	.long	0x200				/* SectionAlignment */
+	.long	0x200				/* FileAlignment */
 	.short	0				/* MajorOperatingSystemVersion */
 	.short	0				/* MinorOperatingSystemVersion */
 	.short	0				/* MajorImageVersion */
@@ -117,6 +117,7 @@ section_table:
 	.short	0		/* NumberOfLineNumbers  (0 for executables) */
 	.long	0xe0500020	/* Characteristics (section flags) */
 
+	.align		9
 _start:
 	stp		x29, x30, [sp, #-32]!
 	mov		x29, sp
diff --git a/arch/arm/lib/crt0_arm_efi.S b/arch/arm/lib/crt0_arm_efi.S
index cc8a115f31..75ee37b7d3 100644
--- a/arch/arm/lib/crt0_arm_efi.S
+++ b/arch/arm/lib/crt0_arm_efi.S
@@ -47,8 +47,8 @@ optional_header:
 
 extra_header_fields:
 	.long	0				/* image_base */
-	.long	0x20				/* SectionAlignment */
-	.long	0x8				/* FileAlignment */
+	.long	0x200				/* SectionAlignment */
+	.long	0x200				/* FileAlignment */
 	.short	0				/* MajorOperatingSystemVersion */
 	.short	0				/* MinorOperatingSystemVersion */
 	.short	0				/* MajorImageVersion */
@@ -115,6 +115,7 @@ section_table:
 	.short	0		/* NumberOfLineNumbers  (0 for executables) */
 	.long	0xe0500020	/* Characteristics (section flags) */
 
+	.align		9
 _start:
 	stmfd		sp!, {r0-r2, lr}
 
diff --git a/arch/arm/lib/elf_aarch64_efi.lds b/arch/arm/lib/elf_aarch64_efi.lds
index 90af469f48..c0604dad46 100644
--- a/arch/arm/lib/elf_aarch64_efi.lds
+++ b/arch/arm/lib/elf_aarch64_efi.lds
@@ -18,7 +18,7 @@ SECTIONS
 		*(.gnu.linkonce.t.*)
 		*(.srodata)
 		*(.rodata*)
-		. = ALIGN(16);
+		. = ALIGN(512);
 	}
 	_etext = .;
 	_text_size = . - _text;
@@ -44,7 +44,7 @@ SECTIONS
 		*(.bss)
 		*(.bss.*)
 		*(COMMON)
-		. = ALIGN(16);
+		. = ALIGN(512);
 		_bss_end = .;
 		_edata = .;
 	}
diff --git a/arch/arm/lib/elf_arm_efi.lds b/arch/arm/lib/elf_arm_efi.lds
index d6d742e868..767ebda635 100644
--- a/arch/arm/lib/elf_arm_efi.lds
+++ b/arch/arm/lib/elf_arm_efi.lds
@@ -18,7 +18,7 @@ SECTIONS
 		*(.gnu.linkonce.t.*)
 		*(.srodata)
 		*(.rodata*)
-		. = ALIGN(16);
+		. = ALIGN(512);
 	}
 	_etext = .;
 	_text_size = . - _text;
@@ -44,7 +44,7 @@ SECTIONS
 		*(.bss)
 		*(.bss.*)
 		*(COMMON)
-		. = ALIGN(16);
+		. = ALIGN(512);
 		_bss_end = .;
 		_edata = .;
 	}
diff --git a/arch/riscv/lib/crt0_riscv_efi.S b/arch/riscv/lib/crt0_riscv_efi.S
index b0a7a39a72..a01e08a3c6 100644
--- a/arch/riscv/lib/crt0_riscv_efi.S
+++ b/arch/riscv/lib/crt0_riscv_efi.S
@@ -71,8 +71,8 @@ extra_header_fields:
 #else
 	.quad	0				/* ImageBase */
 #endif
-	.long	0x20				/* SectionAlignment */
-	.long	0x8				/* FileAlignment */
+	.long	0x200				/* SectionAlignment */
+	.long	0x200				/* FileAlignment */
 	.short	0				/* MajorOperatingSystemVersion */
 	.short	0				/* MinorOperatingSystemVersion */
 	.short	1				/* MajorImageVersion */
@@ -110,16 +110,6 @@ extra_header_fields:
 	.quad	0				/* ExceptionTable */
 	.quad	0				/* CertificationTable */
 	.quad	0				/* BaseRelocationTable */
-	.quad	0				/* Debug */
-	.quad	0				/* Architecture */
-	.quad	0				/* Global Ptr */
-	.quad	0				/* TLS Table */
-	.quad	0				/* Load Config Table */
-	.quad	0				/* Bound Import */
-	.quad	0				/* IAT */
-	.quad	0				/* Delay Import Descriptor */
-	.quad	0				/* CLR Runtime Header */
-	.quad	0				/* Reserved */
 
 	/* Section table */
 section_table:
@@ -158,6 +148,7 @@ section_table:
 	.short	0		/* NumberOfLineNumbers  (0 for executables) */
 	.long	0xe0500020	/* Characteristics (section flags) */
 
+	.align	9
 _start:
 	addi		sp, sp, -(SIZE_LONG * 3)
 	SAVE_LONG(a0, 0)
diff --git a/arch/riscv/lib/elf_riscv32_efi.lds b/arch/riscv/lib/elf_riscv32_efi.lds
index 629705fc28..c3e0d20d57 100644
--- a/arch/riscv/lib/elf_riscv32_efi.lds
+++ b/arch/riscv/lib/elf_riscv32_efi.lds
@@ -20,7 +20,7 @@ SECTIONS
 		*(.gnu.linkonce.t.*)
 		*(.srodata)
 		*(.rodata*)
-		. = ALIGN(16);
+		. = ALIGN(512);
 	}
 	_etext = .;
 	_text_size = . - _text;
@@ -46,7 +46,7 @@ SECTIONS
 		*(.bss)
 		*(.bss.*)
 		*(COMMON)
-		. = ALIGN(16);
+		. = ALIGN(512);
 		_bss_end = .;
 		_edata = .;
 	}
diff --git a/arch/riscv/lib/elf_riscv64_efi.lds b/arch/riscv/lib/elf_riscv64_efi.lds
index aece030c37..ecb9139548 100644
--- a/arch/riscv/lib/elf_riscv64_efi.lds
+++ b/arch/riscv/lib/elf_riscv64_efi.lds
@@ -20,7 +20,7 @@ SECTIONS
 		*(.gnu.linkonce.t.*)
 		*(.srodata)
 		*(.rodata*)
-		. = ALIGN(16);
+		. = ALIGN(512);
 	}
 	_etext = .;
 	_text_size = . - _text;
@@ -46,7 +46,7 @@ SECTIONS
 		*(.bss)
 		*(.bss.*)
 		*(COMMON)
-		. = ALIGN(16);
+		. = ALIGN(512);
 		_bss_end = .;
 		_edata = .;
 	}
diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 589f2aed2b..889497b6bd 100644
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -20,6 +20,11 @@ IS_32BIT := y
 endif
 endif
 
+EFI_IS_32BIT := $(IS_32BIT)
+ifdef CONFIG_EFI_STUB_64BIT
+EFI_IS_32BIT :=
+endif
+
 ifeq ($(IS_32BIT),y)
 PLATFORM_CPPFLAGS += -march=i386 -m32
 else
@@ -44,8 +49,14 @@ CFLAGS_EFI := -fpic -fshort-wchar
 # Compiler flags to be removed when building UEFI applications
 CFLAGS_NON_EFI := -mregparm=3 -fstack-protector-strong
 
-ifeq ($(CONFIG_EFI_STUB_64BIT),)
+ifeq ($(IS_32BIT),y)
+EFIPAYLOAD_BFDARCH = i386
+else
 CFLAGS_EFI += $(call cc-option, -mno-red-zone)
+EFIPAYLOAD_BFDARCH = x86_64
+endif
+
+ifeq ($(EFI_IS_32BIT),y)
 EFIARCH = ia32
 EFIPAYLOAD_BFDTARGET = elf32-i386
 else
@@ -53,8 +64,6 @@ EFIARCH = x86_64
 EFIPAYLOAD_BFDTARGET = elf64-x86-64
 endif
 
-EFIPAYLOAD_BFDARCH = i386
-
 LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
 EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o
 OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)
diff --git a/arch/x86/cpu/config.mk b/arch/x86/cpu/config.mk
index d3033b4160..87e242a206 100644
--- a/arch/x86/cpu/config.mk
+++ b/arch/x86/cpu/config.mk
@@ -9,7 +9,7 @@ LDPPFLAGS += -DRESET_VEC_LOC=$(CONFIG_RESET_VEC_LOC)
 LDPPFLAGS += -DSTART_16=$(CONFIG_SYS_X86_START16)
 
 ifdef CONFIG_X86_64
-ifndef CONFIG_SPL_BUILD
+ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_EFI_APP),)
 LDSCRIPT = $(srctree)/arch/x86/cpu/u-boot-64.lds
 endif
 endif
diff --git a/arch/x86/cpu/efi/payload.c b/arch/x86/cpu/efi/payload.c
index 04ce1880b4..b7778565b1 100644
--- a/arch/x86/cpu/efi/payload.c
+++ b/arch/x86/cpu/efi/payload.c
@@ -51,7 +51,7 @@ ulong board_get_usable_ram_top(ulong total_size)
 
 	end = (struct efi_mem_desc *)((ulong)map + size);
 	desc = map->desc;
-	for (; desc < end; desc = efi_get_next_mem_desc(map, desc)) {
+	for (; desc < end; desc = efi_get_next_mem_desc(desc, map->desc_size)) {
 		if (desc->type != EFI_CONVENTIONAL_MEMORY ||
 		    desc->physical_start >= 1ULL << 32)
 			continue;
@@ -89,7 +89,7 @@ int dram_init(void)
 	end = (struct efi_mem_desc *)((ulong)map + size);
 	gd->ram_size = 0;
 	desc = map->desc;
-	for (; desc < end; desc = efi_get_next_mem_desc(map, desc)) {
+	for (; desc < end; desc = efi_get_next_mem_desc(desc, map->desc_size)) {
 		if (desc->type < EFI_MMAP_IO)
 			gd->ram_size += desc->num_pages << EFI_PAGE_SHIFT;
 	}
@@ -114,7 +114,7 @@ int dram_init_banksize(void)
 	desc = map->desc;
 	for (num_banks = 0;
 	     desc < end && num_banks < CONFIG_NR_DRAM_BANKS;
-	     desc = efi_get_next_mem_desc(map, desc)) {
+	     desc = efi_get_next_mem_desc(desc, map->desc_size)) {
 		/*
 		 * We only use conventional memory and ignore
 		 * anything less than 1MB.
@@ -197,7 +197,7 @@ unsigned int install_e820_map(unsigned int max_entries,
 
 	end = (struct efi_mem_desc *)((ulong)map + size);
 	for (desc = map->desc; desc < end;
-	     desc = efi_get_next_mem_desc(map, desc)) {
+	     desc = efi_get_next_mem_desc(desc, map->desc_size)) {
 		if (desc->num_pages == 0)
 			continue;
 
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index a3674e8e29..6a38761291 100644
--- a/arch/x86/cpu/x86_64/cpu.c
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -45,3 +45,8 @@ int cpu_phys_address_size(void)
 {
 	return CONFIG_CPU_ADDR_BITS;
 }
+
+int x86_cpu_init_f(void)
+{
+	return 0;
+}
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 18757b29aa..e5235b7c4f 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -65,9 +65,8 @@ endif
 
 lib-$(CONFIG_USE_PRIVATE_LIBGCC) += div64.o
 
-ifeq ($(CONFIG_$(SPL_)X86_64),)
-obj-$(CONFIG_EFI_APP) += crt0_ia32_efi.o reloc_ia32_efi.o
-endif
+obj-$(CONFIG_EFI_APP_32BIT) += crt0_ia32_efi.o reloc_ia32_efi.o
+obj-$(CONFIG_EFI_APP_64BIT) += crt0_x86_64_efi.o reloc_x86_64_efi.o
 
 ifneq ($(CONFIG_EFI_STUB),)
 
diff --git a/arch/x86/lib/elf_x86_64_efi.lds b/arch/x86/lib/elf_x86_64_efi.lds
index b436429b33..75727400aa 100644
--- a/arch/x86/lib/elf_x86_64_efi.lds
+++ b/arch/x86/lib/elf_x86_64_efi.lds
@@ -63,6 +63,7 @@ SECTIONS
 		*(.rela.data*)
 		*(.rela.got)
 		*(.rela.stab)
+                *(.rela.u_boot_list*)
 	}
 
 	. = ALIGN(4096);
@@ -70,9 +71,11 @@ SECTIONS
 	. = ALIGN(4096);
 	.dynstr : { *(.dynstr) }
 	. = ALIGN(4096);
+
+        /DISCARD/ : { *(.eh_frame) }
+
 	.ignored.reloc : {
 		*(.rela.reloc)
-		*(.eh_frame)
 		*(.note.GNU-stack)
 	}
 
diff --git a/arch/x86/lib/relocate.c b/arch/x86/lib/relocate.c
index 6fe5151647..9060d19d46 100644
--- a/arch/x86/lib/relocate.c
+++ b/arch/x86/lib/relocate.c
@@ -35,6 +35,7 @@ int copy_uboot_to_ram(void)
 	return 0;
 }
 
+#ifndef CONFIG_EFI_APP
 int clear_bss(void)
 {
 	ulong dst_addr = (ulong)&__bss_start + gd->reloc_off;
@@ -46,6 +47,7 @@ int clear_bss(void)
 
 	return 0;
 }
+#endif
 
 #if CONFIG_IS_ENABLED(X86_64)
 static void do_elf_reloc_fixups64(unsigned int text_base, uintptr_t size,