c4e90454f4
Branding changes to unify and update Chrome OS to ChromeOS (removing the space). This CL also includes changing Chromium OS to ChromiumOS as well. BUG=None TEST=N/A Change-Id: I39af9f1069b62747dbfeebdd62d85fabfa655dcd Signed-off-by: Jon Murphy <jpmurphy@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/65479 Reviewed-by: Jack Rosenthal <jrosenth@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Singer <felixsinger@posteo.net>
212 lines
6.8 KiB
C
212 lines
6.8 KiB
C
/*
|
|
*
|
|
* Copyright (c) 2012 The ChromiumOS Authors.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _ENDIAN_H_
|
|
#define _ENDIAN_H_
|
|
|
|
#include <arch/io.h>
|
|
#include <arch/types.h>
|
|
#include <libpayload-config.h>
|
|
|
|
/* Endian functions from glibc 2.9 / BSD "endian.h" */
|
|
|
|
#if CONFIG(LP_BIG_ENDIAN)
|
|
|
|
#define htobe16(in) (in)
|
|
#define htobe32(in) (in)
|
|
#define htobe64(in) (in)
|
|
|
|
#define htole16(in) ((uint16_t)__builtin_bswap16(in))
|
|
#define htole32(in) ((uint32_t)__builtin_bswap32(in))
|
|
#define htole64(in) ((uint64_t)__builtin_bswap64(in))
|
|
|
|
#elif CONFIG(LP_LITTLE_ENDIAN)
|
|
|
|
#define htobe16(in) ((uint16_t)__builtin_bswap16(in))
|
|
#define htobe32(in) ((uint32_t)__builtin_bswap32(in))
|
|
#define htobe64(in) ((uint64_t)__builtin_bswap64(in))
|
|
|
|
#define htole16(in) (in)
|
|
#define htole32(in) (in)
|
|
#define htole64(in) (in)
|
|
|
|
#else
|
|
|
|
#error Cant tell if the CPU is little or big endian.
|
|
|
|
#endif /* CONFIG_*_ENDIAN */
|
|
|
|
#define be16toh(in) htobe16(in)
|
|
#define be32toh(in) htobe32(in)
|
|
#define be64toh(in) htobe64(in)
|
|
|
|
#define le16toh(in) htole16(in)
|
|
#define le32toh(in) htole32(in)
|
|
#define le64toh(in) htole64(in)
|
|
|
|
#define htonw(in) htobe16(in)
|
|
#define htonl(in) htobe32(in)
|
|
#define htonll(in) htobe64(in)
|
|
|
|
#define ntohw(in) be16toh(in)
|
|
#define ntohl(in) be32toh(in)
|
|
#define ntohll(in) be64toh(in)
|
|
|
|
/*
|
|
* Alignment-agnostic encode/decode bytestream to/from little/big endian.
|
|
*/
|
|
|
|
static inline uint16_t be16dec(const void *pp)
|
|
{
|
|
uint8_t const *p = (uint8_t const *)pp;
|
|
|
|
return (uint16_t)((p[0] << 8) | p[1]);
|
|
}
|
|
|
|
static inline uint32_t be32dec(const void *pp)
|
|
{
|
|
uint8_t const *p = (uint8_t const *)pp;
|
|
|
|
return (((uint32_t)p[0] << 24) | (uint32_t)(p[1] << 16) |
|
|
(uint32_t)(p[2] << 8) | p[3]);
|
|
}
|
|
|
|
static inline uint16_t le16dec(const void *pp)
|
|
{
|
|
uint8_t const *p = (uint8_t const *)pp;
|
|
|
|
return (uint16_t)((p[1] << 8) | p[0]);
|
|
}
|
|
|
|
static inline uint32_t le32dec(const void *pp)
|
|
{
|
|
uint8_t const *p = (uint8_t const *)pp;
|
|
|
|
return ((uint32_t)(p[3] << 24) | (uint32_t)(p[2] << 16) |
|
|
(uint32_t)(p[1] << 8) | p[0]);
|
|
}
|
|
|
|
static inline void bebitenc(void *pp, uint32_t u, uint8_t b)
|
|
{
|
|
uint8_t *p = (uint8_t *)pp;
|
|
int i;
|
|
|
|
for (i = 0; i < b; i++)
|
|
p[(b - 1) - i] = (u >> i*8) & 0xFF;
|
|
}
|
|
|
|
static inline void be16enc(void *pp, uint16_t u)
|
|
{
|
|
bebitenc(pp, u, 2);
|
|
}
|
|
|
|
static inline void be32enc(void *pp, uint32_t u)
|
|
{
|
|
bebitenc(pp, u, 4);
|
|
}
|
|
|
|
static inline void lebitenc(void *pp, uint32_t u, uint8_t b)
|
|
{
|
|
uint8_t *p = (uint8_t *)pp;
|
|
int i;
|
|
|
|
for (i = 0; i < b; i++)
|
|
p[i] = (u >> i*8) & 0xFF;
|
|
}
|
|
|
|
static inline void le16enc(void *pp, uint16_t u)
|
|
{
|
|
lebitenc(pp, u, 2);
|
|
}
|
|
|
|
static inline void le32enc(void *pp, uint32_t u)
|
|
{
|
|
lebitenc(pp, u, 4);
|
|
}
|
|
|
|
/* Deprecated names (not in glibc / BSD) */
|
|
#define htobew(in) htobe16(in)
|
|
#define htobel(in) htobe32(in)
|
|
#define htobell(in) htobe64(in)
|
|
#define htolew(in) htole16(in)
|
|
#define htolel(in) htole32(in)
|
|
#define htolell(in) htole64(in)
|
|
#define betohw(in) be16toh(in)
|
|
#define betohl(in) be32toh(in)
|
|
#define betohll(in) be64toh(in)
|
|
#define letohw(in) le16toh(in)
|
|
#define letohl(in) le32toh(in)
|
|
#define letohll(in) le64toh(in)
|
|
|
|
/* Handy bit manipulation macros */
|
|
|
|
#define __clrsetbits(endian, bits, addr, clear, set) \
|
|
write##bits(addr, hto##endian##bits((endian##bits##toh( \
|
|
read##bits(addr)) & ~((uint##bits##_t)(clear))) | (set)))
|
|
|
|
#define clrbits_le64(addr, clear) __clrsetbits(le, 64, addr, clear, 0)
|
|
#define clrbits_be64(addr, clear) __clrsetbits(be, 64, addr, clear, 0)
|
|
#define clrbits_le32(addr, clear) __clrsetbits(le, 32, addr, clear, 0)
|
|
#define clrbits_be32(addr, clear) __clrsetbits(be, 32, addr, clear, 0)
|
|
#define clrbits_le16(addr, clear) __clrsetbits(le, 16, addr, clear, 0)
|
|
#define clrbits_be16(addr, clear) __clrsetbits(be, 16, addr, clear, 0)
|
|
|
|
#define setbits_le64(addr, set) __clrsetbits(le, 64, addr, 0, set)
|
|
#define setbits_be64(addr, set) __clrsetbits(be, 64, addr, 0, set)
|
|
#define setbits_le32(addr, set) __clrsetbits(le, 32, addr, 0, set)
|
|
#define setbits_be32(addr, set) __clrsetbits(be, 32, addr, 0, set)
|
|
#define setbits_le16(addr, set) __clrsetbits(le, 16, addr, 0, set)
|
|
#define setbits_be16(addr, set) __clrsetbits(be, 16, addr, 0, set)
|
|
|
|
#define clrsetbits_le64(addr, clear, set) __clrsetbits(le, 64, addr, clear, set)
|
|
#define clrsetbits_be64(addr, clear, set) __clrsetbits(be, 64, addr, clear, set)
|
|
#define clrsetbits_le32(addr, clear, set) __clrsetbits(le, 32, addr, clear, set)
|
|
#define clrsetbits_be32(addr, clear, set) __clrsetbits(be, 32, addr, clear, set)
|
|
#define clrsetbits_le16(addr, clear, set) __clrsetbits(le, 16, addr, clear, set)
|
|
#define clrsetbits_be16(addr, clear, set) __clrsetbits(be, 16, addr, clear, set)
|
|
|
|
#define __clrsetbits_impl(bits, addr, clear, set) write##bits(addr, \
|
|
(read##bits(addr) & ~((uint##bits##_t)(clear))) | (set))
|
|
|
|
#define clrsetbits8(addr, clear, set) __clrsetbits_impl(8, addr, clear, set)
|
|
#define clrsetbits16(addr, clear, set) __clrsetbits_impl(16, addr, clear, set)
|
|
#define clrsetbits32(addr, clear, set) __clrsetbits_impl(32, addr, clear, set)
|
|
#define clrsetbits64(addr, clear, set) __clrsetbits_impl(64, addr, clear, set)
|
|
|
|
#define setbits8(addr, set) clrsetbits8(addr, 0, set)
|
|
#define setbits16(addr, set) clrsetbits16(addr, 0, set)
|
|
#define setbits32(addr, set) clrsetbits32(addr, 0, set)
|
|
#define setbits64(addr, set) clrsetbits64(addr, 0, set)
|
|
|
|
#define clrbits8(addr, clear) clrsetbits8(addr, clear, 0)
|
|
#define clrbits16(addr, clear) clrsetbits16(addr, clear, 0)
|
|
#define clrbits32(addr, clear) clrsetbits32(addr, clear, 0)
|
|
#define clrbits64(addr, clear) clrsetbits64(addr, clear, 0)
|
|
|
|
#endif /* _ENDIAN_H_ */
|