Files
system76-coreboot/src/include/cpu/x86/cache.h
Patrick Georgi 6b5bc77c9b treewide: Remove "this file is part of" lines
Stefan thinks they don't add value.

Command used:
sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool)

The exceptions are for:
 - crossgcc (patch file)
 - gcov (imported from gcc)
 - elf.h (imported from GNU's libc)
 - nvramtool (more complicated header)

The removed lines are:
-       fmt.Fprintln(f, "/* This file is part of the coreboot project. */")
-# This file is part of a set of unofficial pre-commit hooks available
-/* This file is part of coreboot */
-# This file is part of msrtool.
-/* This file is part of msrtool. */
- * This file is part of ncurses, designed to be appended after curses.h.in
-/* This file is part of pgtblgen. */
- * This file is part of the coreboot project.
- /* This file is part of the coreboot project. */
-#  This file is part of the coreboot project.
-# This file is part of the coreboot project.
-## This file is part of the coreboot project.
--- This file is part of the coreboot project.
-/* This file is part of the coreboot project */
-/* This file is part of the coreboot project. */
-;## This file is part of the coreboot project.
-# This file is part of the coreboot project. It originated in the
- * This file is part of the coreinfo project.
-## This file is part of the coreinfo project.
- * This file is part of the depthcharge project.
-/* This file is part of the depthcharge project. */
-/* This file is part of the ectool project. */
- * This file is part of the GNU C Library.
- * This file is part of the libpayload project.
-## This file is part of the libpayload project.
-/* This file is part of the Linux kernel. */
-## This file is part of the superiotool project.
-/* This file is part of the superiotool project */
-/* This file is part of uio_usbdebug */

Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-11 17:11:40 +00:00

61 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef CPU_X86_CACHE
#define CPU_X86_CACHE
#include <cpu/x86/cr.h>
#define CR0_CacheDisable (CR0_CD)
#define CR0_NoWriteThrough (CR0_NW)
#if !defined(__ASSEMBLER__)
static inline void wbinvd(void)
{
asm volatile ("wbinvd" ::: "memory");
}
static inline void invd(void)
{
asm volatile("invd" ::: "memory");
}
static inline void clflush(void *addr)
{
asm volatile ("clflush (%0)"::"r" (addr));
}
/* The following functions require the __always_inline due to AMD
* function STOP_CAR_AND_CPU that disables cache as
* RAM, the cache as RAM stack can no longer be used. Called
* functions must be inlined to avoid stack usage. Also, the
* compiler must keep local variables register based and not
* allocated them from the stack. With gcc 4.5.0, some functions
* declared as inline are not being inlined. This patch forces
* these functions to always be inlined by adding the qualifier
* __always_inline to their declaration.
*/
static __always_inline void enable_cache(void)
{
CRx_TYPE cr0;
cr0 = read_cr0();
cr0 &= ~(CR0_CD | CR0_NW);
write_cr0(cr0);
}
static __always_inline void disable_cache(void)
{
/* Disable and write back the cache */
CRx_TYPE cr0;
cr0 = read_cr0();
cr0 |= CR0_CD;
wbinvd();
write_cr0(cr0);
wbinvd();
}
void x86_enable_cache(void);
#endif /* !__ASSEMBLER__ */
#endif /* CPU_X86_CACHE */