diff options
Diffstat (limited to 'hwaccess.h')
| -rw-r--r-- | hwaccess.h | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/hwaccess.h b/hwaccess.h deleted file mode 100644 index 5602c1592..000000000 --- a/hwaccess.h +++ /dev/null @@ -1,305 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2009 Carl-Daniel Hailfinger - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * Header file for hardware access and OS abstraction. Included from flash.h. - */ - -#ifndef __HWACCESS_H__ -#define __HWACCESS_H__ 1 - -#include "platform.h" - -#if NEED_PCI == 1 -/* - * libpci headers use the variable name "index" which triggers shadowing - * warnings on systems which have the index() function in a default #include - * or as builtin. - */ -#define index shadow_workaround_index - -#if !defined (__NetBSD__) -#include <pci/pci.h> -#else -#include <pciutils/pci.h> -#endif - -#undef index -#endif /* NEED_PCI == 1 */ - -#define ___constant_swab8(x) ((uint8_t) ( \ - (((uint8_t)(x) & (uint8_t)0xffU)))) - -#define ___constant_swab16(x) ((uint16_t) ( \ - (((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \ - (((uint16_t)(x) & (uint16_t)0xff00U) >> 8))) - -#define ___constant_swab32(x) ((uint32_t) ( \ - (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \ - (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \ - (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \ - (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24))) - -#define ___constant_swab64(x) ((uint64_t) ( \ - (((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) | \ - (((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \ - (((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \ - (((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) << 8) | \ - (((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \ - (((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \ - (((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \ - (((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56))) - -#if defined (__FLASHROM_BIG_ENDIAN__) - -#define cpu_to_le(bits) \ -static inline uint##bits##_t cpu_to_le##bits(uint##bits##_t val) \ -{ \ - return ___constant_swab##bits(val); \ -} - -cpu_to_le(8) -cpu_to_le(16) -cpu_to_le(32) -cpu_to_le(64) - -#define cpu_to_be8 -#define cpu_to_be16 -#define cpu_to_be32 -#define cpu_to_be64 - -#elif defined (__FLASHROM_LITTLE_ENDIAN__) - -#define cpu_to_be(bits) \ -static inline uint##bits##_t cpu_to_be##bits(uint##bits##_t val) \ -{ \ - return ___constant_swab##bits(val); \ -} - -cpu_to_be(8) -cpu_to_be(16) -cpu_to_be(32) -cpu_to_be(64) - -#define cpu_to_le8 -#define cpu_to_le16 -#define cpu_to_le32 -#define cpu_to_le64 - -#endif /* __FLASHROM_BIG_ENDIAN__ / __FLASHROM_LITTLE_ENDIAN__ */ - -#define be_to_cpu8 cpu_to_be8 -#define be_to_cpu16 cpu_to_be16 -#define be_to_cpu32 cpu_to_be32 -#define be_to_cpu64 cpu_to_be64 -#define le_to_cpu8 cpu_to_le8 -#define le_to_cpu16 cpu_to_le16 -#define le_to_cpu32 cpu_to_le32 -#define le_to_cpu64 cpu_to_le64 - -#if NEED_RAW_ACCESS == 1 -#if IS_X86 - -/* sys/io.h provides iopl(2) and x86 I/O port access functions (inb, outb etc). - * It is included in glibc (thus available also on debian/kFreeBSD) but also in other libcs that mimic glibc, - * e.g. musl and uclibc. Because we cannot detect the libc or existence of the header or of the instructions - * themselves safely in here we use some heuristic below: - * On Android we don't have the header file and no way for I/O port access at all. However, sys/glibc-syscalls.h - * refers to an iopl implementation and we therefore include at least that one for now. On non-Android we assume - * that a Linux system's libc has a suitable sys/io.h or (on non-Linux) we depend on glibc to offer it. */ -#if defined(__ANDROID__) -#include <sys/glibc-syscalls.h> -#elif defined(__linux__) || defined(__GLIBC__) -#include <sys/io.h> -#endif - -#define __FLASHROM_HAVE_OUTB__ 1 - -/* for iopl and outb under Solaris */ -#if defined (__sun) -#include <sys/sysi86.h> -#include <sys/psw.h> -#include <asm/sunddi.h> -#endif - -/* Clarification about OUTB/OUTW/OUTL argument order: - * OUT[BWL](val, port) - */ - -#if defined(__FreeBSD__) || defined(__DragonFly__) - /* Note that Debian/kFreeBSD (FreeBSD kernel with glibc) has conflicting - * out[bwl] definitions in machine/cpufunc.h and sys/io.h at least in some - * versions. Use machine/cpufunc.h only for plain FreeBSD/DragonFlyBSD. - */ - #include <sys/types.h> - #include <machine/cpufunc.h> - #define OUTB(x, y) do { u_int outb_tmp = (y); outb(outb_tmp, (x)); } while (0) - #define OUTW(x, y) do { u_int outw_tmp = (y); outw(outw_tmp, (x)); } while (0) - #define OUTL(x, y) do { u_int outl_tmp = (y); outl(outl_tmp, (x)); } while (0) - #define INB(x) __extension__ ({ u_int inb_tmp = (x); inb(inb_tmp); }) - #define INW(x) __extension__ ({ u_int inw_tmp = (x); inw(inw_tmp); }) - #define INL(x) __extension__ ({ u_int inl_tmp = (x); inl(inl_tmp); }) -#else - -#if defined (__sun) - /* Note different order for outb */ - #define OUTB(x,y) outb(y, x) - #define OUTW(x,y) outw(y, x) - #define OUTL(x,y) outl(y, x) - #define INB inb - #define INW inw - #define INL inl -#else - -#ifdef __DJGPP__ - -#include <pc.h> - - #define OUTB(x,y) outportb(y, x) - #define OUTW(x,y) outportw(y, x) - #define OUTL(x,y) outportl(y, x) - - #define INB inportb - #define INW inportw - #define INL inportl - -#else - -#if defined(__MACH__) && defined(__APPLE__) - /* Header is part of the DirectHW library. */ - #include <DirectHW/DirectHW.h> -#endif - - /* This is the usual glibc interface. */ - #define OUTB outb - #define OUTW outw - #define OUTL outl - #define INB inb - #define INW inw - #define INL inl -#endif -#endif -#endif - -#if defined(__NetBSD__) || defined (__OpenBSD__) - #if defined(__i386__) || defined(__x86_64__) - #include <sys/types.h> - #include <machine/sysarch.h> - #if defined(__NetBSD__) - #if defined(__i386__) - #define iopl i386_iopl - #elif defined(__x86_64__) - #define iopl x86_64_iopl - #endif - #elif defined (__OpenBSD__) - #if defined(__i386__) - #define iopl i386_iopl - #elif defined(__amd64__) - #define iopl amd64_iopl - #endif - #endif - -static inline void outb(uint8_t value, uint16_t port) -{ - __asm__ volatile ("outb %b0,%w1": :"a" (value), "Nd" (port)); -} - -static inline uint8_t inb(uint16_t port) -{ - uint8_t value; - __asm__ volatile ("inb %w1,%0":"=a" (value):"Nd" (port)); - return value; -} - -static inline void outw(uint16_t value, uint16_t port) -{ - __asm__ volatile ("outw %w0,%w1": :"a" (value), "Nd" (port)); -} - -static inline uint16_t inw(uint16_t port) -{ - uint16_t value; - __asm__ volatile ("inw %w1,%0":"=a" (value):"Nd" (port)); - return value; -} - -static inline void outl(uint32_t value, uint16_t port) -{ - __asm__ volatile ("outl %0,%w1": :"a" (value), "Nd" (port)); -} - -static inline uint32_t inl(uint16_t port) -{ - uint32_t value; - __asm__ volatile ("inl %1,%0":"=a" (value):"Nd" (port)); - return value; -} - #endif -#endif - -#if !(defined(__MACH__) && defined(__APPLE__)) && !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__) && !defined(__DragonFly__) && !defined(__LIBPAYLOAD__) -typedef struct { uint32_t hi, lo; } msr_t; -msr_t rdmsr(int addr); -int wrmsr(int addr, msr_t msr); -#endif -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) -/* FreeBSD already has conflicting definitions for wrmsr/rdmsr. */ -#undef rdmsr -#undef wrmsr -#define rdmsr freebsd_rdmsr -#define wrmsr freebsd_wrmsr -typedef struct { uint32_t hi, lo; } msr_t; -msr_t freebsd_rdmsr(int addr); -int freebsd_wrmsr(int addr, msr_t msr); -#endif -#if defined(__LIBPAYLOAD__) -#include <arch/io.h> -#include <arch/msr.h> -typedef struct { uint32_t hi, lo; } msr_t; -msr_t libpayload_rdmsr(int addr); -int libpayload_wrmsr(int addr, msr_t msr); -#undef rdmsr -#define rdmsr libpayload_rdmsr -#define wrmsr libpayload_wrmsr -#endif - -#elif IS_PPC - -/* PCI port I/O is not yet implemented on PowerPC. */ - -#elif IS_MIPS - -/* PCI port I/O is not yet implemented on MIPS. */ - -#elif IS_SPARC - -/* PCI port I/O is not yet implemented on SPARC. */ - -#elif IS_ARM - -/* Non memory mapped I/O is not supported on ARM. */ - -#elif IS_ARC - -/* Non memory mapped I/O is not supported on ARC. */ - -#else - -#error Unknown architecture, please check if it supports PCI port IO. - -#endif /* IS_* */ -#endif /* NEED_RAW_ACCESS == 1 */ - -#endif /* !__HWACCESS_H__ */ |