Merge git://git.denx.de/u-boot-x86

7 files changed, 83 insertions, 24 deletions

diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index db36553d05..6aefa12a7c 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -193,7 +193,7 @@ void show_boot_progress(int val)
 	outb(val, POST_PORT);
 }
 
-#ifndef CONFIG_SYS_COREBOOT
+#if !defined(CONFIG_SYS_COREBOOT) && !defined(CONFIG_EFI_STUB)
 /*
  * Implement a weak default function for boards that optionally
  * need to clean up the system before jumping to the kernel.
diff --git a/arch/x86/cpu/efi/payload.c b/arch/x86/cpu/efi/payload.c
index 9fd9f57776..4649bfe86e 100644
--- a/arch/x86/cpu/efi/payload.c
+++ b/arch/x86/cpu/efi/payload.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <efi.h>
 #include <errno.h>
+#include <usb.h>
 #include <asm/post.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -108,11 +109,10 @@ int dram_init_banksize(void)
 	     desc < end && num_banks < CONFIG_NR_DRAM_BANKS;
 	     desc = efi_get_next_mem_desc(map, desc)) {
 		/*
-		 * We only use conventional memory below 4GB, and ignore
+		 * We only use conventional memory and ignore
 		 * anything less than 1MB.
 		 */
 		if (desc->type != EFI_CONVENTIONAL_MEMORY ||
-		    desc->physical_start >= 1ULL << 32 ||
 		    (desc->num_pages << EFI_PAGE_SHIFT) < 1 << 20)
 			continue;
 		gd->bd->bi_dram[num_banks].start = desc->physical_start;
@@ -160,3 +160,11 @@ int reserve_arch(void)
 
 	return 0;
 }
+
+int last_stage_init(void)
+{
+	/* start usb so that usb keyboard can be used as input device */
+	usb_init();
+
+	return 0;
+}
diff --git a/arch/x86/cpu/qemu/Makefile b/arch/x86/cpu/qemu/Makefile
index 1761244178..b7dd5bd46c 100644
--- a/arch/x86/cpu/qemu/Makefile
+++ b/arch/x86/cpu/qemu/Makefile
@@ -2,6 +2,9 @@
 #
 # Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
 
-obj-y += car.o dram.o
+ifndef CONFIG_$(SPL_)X86_64
+obj-y += car.o
+endif
+obj-y += dram.o
 obj-y += qemu.o
 obj-$(CONFIG_QFW) += cpu.o e820.o
diff --git a/arch/x86/cpu/x86_64/setjmp.S b/arch/x86/cpu/x86_64/setjmp.S
new file mode 100644
index 0000000000..97b812854c
--- /dev/null
+++ b/arch/x86/cpu/x86_64/setjmp.S
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Intel Corporation
+ *
+ * See arch/x86/include/asm/setjmp.h for jmp_buf format
+ */
+
+#include <linux/linkage.h>
+
+.text
+.align 8
+
+ENTRY(setjmp)
+
+	pop	%rcx
+	movq	%rcx, (%rdi)	/* Return address */
+	movq	%rsp, 8(%rdi)
+	movq	%rbp, 16(%rdi)
+	movq	%rbx, 24(%rdi)
+	movq	%r12, 32(%rdi)
+	movq	%r13, 40(%rdi)
+	movq	%r14, 48(%rdi)
+	movq	%r15, 56(%rdi)
+	xorq	%rax, %rax	/* Direct invocation returns 0 */
+	jmpq	*%rcx
+
+ENDPROC(setjmp)
+
+.align 8
+
+ENTRY(longjmp)
+
+	movq	(%rdi), %rcx	/* Return address */
+	movq	8(%rdi), %rsp
+	movq	16(%rdi), %rbp
+	movq	24(%rdi), %rbx
+	movq	32(%rdi), %r12
+	movq	40(%rdi), %r13
+	movq	48(%rdi), %r14
+	movq	56(%rdi), %r15
+
+	movq	%rsi, %rax	/* Value to be returned by setjmp() */
+	testq	%rax, %rax	/* cannot be 0 in this case */
+	jnz	1f
+	incq	%rax		/* Return 1 instead */
+1:
+	jmpq	*%rcx
+
+ENDPROC(longjmp)
diff --git a/arch/x86/cpu/x86_64/setjmp.c b/arch/x86/cpu/x86_64/setjmp.c
deleted file mode 100644
index 5d4a74a571..0000000000
--- a/arch/x86/cpu/x86_64/setjmp.c
+++ /dev/null
@@ -1,19 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (c) 2016 Google, Inc
- */
-
-#include <common.h>
-#include <asm/setjmp.h>
-
-int setjmp(struct jmp_buf_data *jmp_buf)
-{
-	printf("WARNING: setjmp() is not supported\n");
-
-	return 0;
-}
-
-void longjmp(struct jmp_buf_data *jmp_buf, int val)
-{
-	printf("WARNING: longjmp() is not supported\n");
-}
diff --git a/arch/x86/include/asm/posix_types.h b/arch/x86/include/asm/posix_types.h
index 717f6cb8e0..dbcea7f47f 100644
--- a/arch/x86/include/asm/posix_types.h
+++ b/arch/x86/include/asm/posix_types.h
@@ -16,7 +16,8 @@ typedef int		__kernel_pid_t;
 typedef unsigned short	__kernel_ipc_pid_t;
 typedef unsigned short	__kernel_uid_t;
 typedef unsigned short	__kernel_gid_t;
-#if CONFIG_IS_ENABLED(X86_64)
+/* checking against __x86_64__ covers both 64-bit EFI stub and 64-bit U-Boot */
+#if defined(__x86_64__)
 typedef unsigned long	__kernel_size_t;
 typedef long		__kernel_ssize_t;
 #else
diff --git a/arch/x86/include/asm/setjmp.h b/arch/x86/include/asm/setjmp.h
index f25975fe1d..49c36c1cc8 100644
--- a/arch/x86/include/asm/setjmp.h
+++ b/arch/x86/include/asm/setjmp.h
@@ -8,6 +8,21 @@
 #ifndef __setjmp_h
 #define __setjmp_h
 
+#ifdef CONFIG_X86_64
+
+struct jmp_buf_data {
+	unsigned long __rip;
+	unsigned long __rsp;
+	unsigned long __rbp;
+	unsigned long __rbx;
+	unsigned long __r12;
+	unsigned long __r13;
+	unsigned long __r14;
+	unsigned long __r15;
+};
+
+#else
+
 struct jmp_buf_data {
 	unsigned int __ebx;
 	unsigned int __esp;
@@ -17,6 +32,8 @@ struct jmp_buf_data {
 	unsigned int __eip;
 };
 
+#endif
+
 int setjmp(struct jmp_buf_data *jmp_buf);
 void longjmp(struct jmp_buf_data *jmp_buf, int val);