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

master
Tom Rini 7 years ago
commit 6ea51d2860
  1. 3
      arch/x86/config.mk
  2. 4
      arch/x86/cpu/cpu.c
  3. 2
      arch/x86/cpu/qemu/Kconfig
  4. 8
      arch/x86/lib/Makefile
  5. 2
      arch/x86/lib/bootm.c
  6. 113
      arch/x86/lib/div64.c
  7. 29
      arch/x86/lib/gcc.c
  8. 1
      configs/conga-qeval20-qa3-e3845-internal-uart_defconfig
  9. 4
      include/config_distro_bootcmd.h

@ -34,9 +34,6 @@ PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
# This is used in the top-level Makefile which does not include
# PLATFORM_LDFLAGS
LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined

@ -143,8 +143,8 @@ const char *cpu_vendor_name(int vendor)
{
const char *name;
name = "<invalid cpu vendor>";
if ((vendor < (ARRAY_SIZE(x86_vendor_name))) &&
(x86_vendor_name[vendor] != 0))
if (vendor < ARRAY_SIZE(x86_vendor_name) &&
x86_vendor_name[vendor])
name = x86_vendor_name[vendor];
return name;

@ -18,7 +18,7 @@ if QEMU
config SYS_CAR_ADDR
hex
default 0xd0000
default 0x10000
config SYS_CAR_SIZE
hex

@ -18,7 +18,6 @@ obj-$(CONFIG_SEABIOS) += coreboot_table.o
obj-y += early_cmos.o
obj-$(CONFIG_EFI) += efi/
obj-y += e820.o
obj-y += gcc.o
obj-y += init_helpers.o
obj-y += interrupts.o
obj-y += lpc-uclass.o
@ -49,12 +48,7 @@ endif
obj-$(CONFIG_HAVE_FSP) += fsp/
obj-$(CONFIG_SPL_BUILD) += spl.o
extra-$(CONFIG_USE_PRIVATE_LIBGCC) += lib.a
NORMAL_LIBGCC = $(shell $(CC) $(PLATFORM_CPPFLAGS) -print-libgcc-file-name)
OBJCOPYFLAGS := --prefix-symbols=__normal_
$(obj)/lib.a: $(NORMAL_LIBGCC) FORCE
$(call if_changed,objcopy)
lib-$(CONFIG_USE_PRIVATE_LIBGCC) += div64.o
ifeq ($(CONFIG_$(SPL_)X86_64),)
obj-$(CONFIG_EFI_APP) += crt0_ia32_efi.o reloc_ia32_efi.o

@ -109,7 +109,7 @@ static int boot_prep_linux(bootm_headers_t *images)
}
is_zimage = 1;
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
} else if (images->fit_uname_os && is_zimage) {
ret = fit_image_get_data(images->fit_hdr_os,
images->fit_noffset_os,
(const void **)&data, &len);

@ -0,0 +1,113 @@
/*
* This file is copied from the coreboot repository as part of
* the libpayload project:
*
* Copyright 2014 Google Inc.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common.h>
union overlay64 {
u64 longw;
struct {
u32 lower;
u32 higher;
} words;
};
u64 __ashldi3(u64 num, unsigned int shift)
{
union overlay64 output;
output.longw = num;
if (shift >= 32) {
output.words.higher = output.words.lower << (shift - 32);
output.words.lower = 0;
} else {
if (!shift)
return num;
output.words.higher = (output.words.higher << shift) |
(output.words.lower >> (32 - shift));
output.words.lower = output.words.lower << shift;
}
return output.longw;
}
u64 __lshrdi3(u64 num, unsigned int shift)
{
union overlay64 output;
output.longw = num;
if (shift >= 32) {
output.words.lower = output.words.higher >> (shift - 32);
output.words.higher = 0;
} else {
if (!shift)
return num;
output.words.lower = output.words.lower >> shift |
(output.words.higher << (32 - shift));
output.words.higher = output.words.higher >> shift;
}
return output.longw;
}
#define MAX_32BIT_UINT ((((u64)1) << 32) - 1)
static u64 _64bit_divide(u64 dividend, u64 divider, u64 *rem_p)
{
u64 result = 0;
/*
* If divider is zero - let the rest of the system care about the
* exception.
*/
if (!divider)
return 1 / (u32)divider;
/* As an optimization, let's not use 64 bit division unless we must. */
if (dividend <= MAX_32BIT_UINT) {
if (divider > MAX_32BIT_UINT) {
result = 0;
if (rem_p)
*rem_p = divider;
} else {
result = (u32)dividend / (u32)divider;
if (rem_p)
*rem_p = (u32)dividend % (u32)divider;
}
return result;
}
while (divider <= dividend) {
u64 locald = divider;
u64 limit = __lshrdi3(dividend, 1);
int shifts = 0;
while (locald <= limit) {
shifts++;
locald = locald + locald;
}
result |= __ashldi3(1, shifts);
dividend -= locald;
}
if (rem_p)
*rem_p = dividend;
return result;
}
u64 __udivdi3(u64 num, u64 den)
{
return _64bit_divide(num, den, NULL);
}
u64 __umoddi3(u64 num, u64 den)
{
u64 v = 0;
_64bit_divide(num, den, &v);
return v;
}

@ -1,29 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifdef __GNUC__
/*
* GCC's libgcc handling is quite broken. While the libgcc functions
* are always regparm(0) the code that calls them uses whatever the
* compiler call specifies. Therefore we need a wrapper around those
* functions. See gcc bug PR41055 for more information.
*/
#define WRAP_LIBGCC_CALL(type, name) \
type __normal_##name(type a, type b) __attribute__((regparm(0))); \
type __wrap_##name(type a, type b); \
type __attribute__((no_instrument_function)) \
__wrap_##name(type a, type b) \
{ return __normal_##name(a, b); }
WRAP_LIBGCC_CALL(long long, __divdi3)
WRAP_LIBGCC_CALL(unsigned long long, __udivdi3)
WRAP_LIBGCC_CALL(long long, __moddi3)
WRAP_LIBGCC_CALL(unsigned long long, __umoddi3)
#endif

@ -6,6 +6,7 @@ CONFIG_INTERNAL_UART=y
CONFIG_DEBUG_UART=y
CONFIG_SMP=y
CONFIG_HAVE_VGA_BIOS=y
CONFIG_VGA_BIOS_ADDR=0xfffb0000
CONFIG_GENERATE_PIRQ_TABLE=y
CONFIG_GENERATE_MP_TABLE=y
CONFIG_GENERATE_ACPI_TABLE=y

@ -91,6 +91,10 @@
#define BOOTEFI_NAME "bootaa64.efi"
#elif defined(CONFIG_ARM)
#define BOOTEFI_NAME "bootarm.efi"
#elif defined(CONFIG_X86_RUN_32BIT)
#define BOOTEFI_NAME "bootia32.efi"
#elif defined(CONFIG_X86_RUN_64BIT)
#define BOOTEFI_NAME "bootx64.efi"
#endif
#endif

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