diff options
Diffstat (limited to 'gpxe/src/arch/i386/include/gpxe')
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/abft.h | 37 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/bios_nap.h | 18 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/bios_smbios.h | 18 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/bios_timer.h | 44 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/ibft.h | 302 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/memtop_umalloc.h | 18 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/rdtsc_timer.h | 39 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/sbft.h | 125 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/timer2.h | 14 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/include/gpxe/x86_io.h | 153 |
10 files changed, 0 insertions, 768 deletions
diff --git a/gpxe/src/arch/i386/include/gpxe/abft.h b/gpxe/src/arch/i386/include/gpxe/abft.h deleted file mode 100644 index 9065e61a..00000000 --- a/gpxe/src/arch/i386/include/gpxe/abft.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _GPXE_ABFT_H -#define _GPXE_ABFT_H - -/** @file - * - * AoE boot firmware table - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> -#include <gpxe/acpi.h> -#include <gpxe/if_ether.h> - -/** AoE boot firmware table signature */ -#define ABFT_SIG "aBFT" - -/** - * AoE Boot Firmware Table (aBFT) - */ -struct abft_table { - /** ACPI header */ - struct acpi_description_header acpi; - /** AoE shelf */ - uint16_t shelf; - /** AoE slot */ - uint8_t slot; - /** Reserved */ - uint8_t reserved_a; - /** MAC address */ - uint8_t mac[ETH_ALEN]; -} __attribute__ (( packed )); - -extern void abft_fill_data ( struct aoe_session *aoe ); - -#endif /* _GPXE_ABFT_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/bios_nap.h b/gpxe/src/arch/i386/include/gpxe/bios_nap.h deleted file mode 100644 index c32429b9..00000000 --- a/gpxe/src/arch/i386/include/gpxe/bios_nap.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _GPXE_BIOS_NAP_H -#define _GPXE_BIOS_NAP_H - -/** @file - * - * BIOS CPU sleeping - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef NAP_PCBIOS -#define NAP_PREFIX_pcbios -#else -#define NAP_PREFIX_pcbios __pcbios_ -#endif - -#endif /* _GPXE_BIOS_NAP_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/bios_smbios.h b/gpxe/src/arch/i386/include/gpxe/bios_smbios.h deleted file mode 100644 index 83726b11..00000000 --- a/gpxe/src/arch/i386/include/gpxe/bios_smbios.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _GPXE_BIOS_SMBIOS_H -#define _GPXE_BIOS_SMBIOS_H - -/** @file - * - * Standard PC-BIOS SMBIOS interface - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef SMBIOS_PCBIOS -#define SMBIOS_PREFIX_pcbios -#else -#define SMBIOS_PREFIX_pcbios __pcbios_ -#endif - -#endif /* _GPXE_BIOS_SMBIOS_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/bios_timer.h b/gpxe/src/arch/i386/include/gpxe/bios_timer.h deleted file mode 100644 index ed9df522..00000000 --- a/gpxe/src/arch/i386/include/gpxe/bios_timer.h +++ /dev/null @@ -1,44 +0,0 @@ -#ifndef _GPXE_BIOS_TIMER_H -#define _GPXE_BIOS_TIMER_H - -/** @file - * - * BIOS timer - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef TIMER_PCBIOS -#define TIMER_PREFIX_pcbios -#else -#define TIMER_PREFIX_pcbios __pcbios_ -#endif - -#include <gpxe/timer2.h> - -/** - * Delay for a fixed number of microseconds - * - * @v usecs Number of microseconds for which to delay - */ -static inline __always_inline void -TIMER_INLINE ( pcbios, udelay ) ( unsigned long usecs ) { - /* BIOS timer is not high-resolution enough for udelay(), so - * we use timer2 - */ - timer2_udelay ( usecs ); -} - -/** - * Get number of ticks per second - * - * @ret ticks_per_sec Number of ticks per second - */ -static inline __always_inline unsigned long -TIMER_INLINE ( pcbios, ticks_per_sec ) ( void ) { - /* BIOS timer ticks over at 18.2 ticks per second */ - return 18; -} - -#endif /* _GPXE_BIOS_TIMER_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/ibft.h b/gpxe/src/arch/i386/include/gpxe/ibft.h deleted file mode 100644 index c41e2e40..00000000 --- a/gpxe/src/arch/i386/include/gpxe/ibft.h +++ /dev/null @@ -1,302 +0,0 @@ -#ifndef _GPXE_IBFT_H -#define _GPXE_IBFT_H - -/* - * Copyright Fen Systems Ltd. 2007. Portions of this code are derived - * from IBM Corporation Sample Programs. Copyright IBM Corporation - * 2004, 2007. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -FILE_LICENCE ( BSD2 ); - -/** @file - * - * iSCSI boot firmware table - * - * The information in this file is derived from the document "iSCSI - * Boot Firmware Table (iBFT)" as published by IBM at - * - * ftp://ftp.software.ibm.com/systems/support/system_x_pdf/ibm_iscsi_boot_firmware_table_v1.02.pdf - * - */ - -#include <stdint.h> -#include <gpxe/acpi.h> -#include <gpxe/in.h> - -/** iSCSI Boot Firmware Table signature */ -#define IBFT_SIG "iBFT" - -/** An offset from the start of the iBFT */ -typedef uint16_t ibft_off_t; - -/** Length of a string within the iBFT (excluding terminating NUL) */ -typedef uint16_t ibft_size_t; - -/** A string within the iBFT */ -struct ibft_string { - /** Length of string */ - ibft_size_t length; - /** Offset to string */ - ibft_off_t offset; -} __attribute__ (( packed )); - -/** An IP address within the iBFT */ -struct ibft_ipaddr { - /** Reserved; must be zero */ - uint16_t zeroes[5]; - /** Must be 0xffff if IPv4 address is present, otherwise zero */ - uint16_t ones; - /** The IPv4 address, or zero if not present */ - struct in_addr in; -} __attribute__ (( packed )); - -/** - * iBFT structure header - * - * This structure is common to several sections within the iBFT. - */ -struct ibft_header { - /** Structure ID - * - * This is an IBFT_STRUCTURE_ID_XXX constant - */ - uint8_t structure_id; - /** Version (always 1) */ - uint8_t version; - /** Length, including this header */ - uint16_t length; - /** Index - * - * This is the number of the NIC or Target, when applicable. - */ - uint8_t index; - /** Flags */ - uint8_t flags; -} __attribute__ (( packed )); - -/** - * iBFT Control structure - * - */ -struct ibft_control { - /** Common header */ - struct ibft_header header; - /** Extensions */ - uint16_t extensions; - /** Offset to Initiator structure */ - ibft_off_t initiator; - /** Offset to NIC structure for NIC 0 */ - ibft_off_t nic_0; - /** Offset to Target structure for target 0 */ - ibft_off_t target_0; - /** Offset to NIC structure for NIC 1 */ - ibft_off_t nic_1; - /** Offset to Target structure for target 1 */ - ibft_off_t target_1; -} __attribute__ (( packed )); - -/** Structure ID for Control section */ -#define IBFT_STRUCTURE_ID_CONTROL 0x01 - -/** Attempt login only to specified target - * - * If this flag is not set, all targets will be logged in to. - */ -#define IBFT_FL_CONTROL_SINGLE_LOGIN_ONLY 0x01 - -/** - * iBFT Initiator structure - * - */ -struct ibft_initiator { - /** Common header */ - struct ibft_header header; - /** iSNS server */ - struct ibft_ipaddr isns_server; - /** SLP server */ - struct ibft_ipaddr slp_server; - /** Primary and secondary Radius servers */ - struct ibft_ipaddr radius[2]; - /** Initiator name */ - struct ibft_string initiator_name; -} __attribute__ (( packed )); - -/** Structure ID for Initiator section */ -#define IBFT_STRUCTURE_ID_INITIATOR 0x02 - -/** Initiator block valid */ -#define IBFT_FL_INITIATOR_BLOCK_VALID 0x01 - -/** Initiator firmware boot selected */ -#define IBFT_FL_INITIATOR_FIRMWARE_BOOT_SELECTED 0x02 - -/** - * iBFT NIC structure - * - */ -struct ibft_nic { - /** Common header */ - struct ibft_header header; - /** IP address */ - struct ibft_ipaddr ip_address; - /** Subnet mask - * - * This is the length of the subnet mask in bits (e.g. /24). - */ - uint8_t subnet_mask_prefix; - /** Origin */ - uint8_t origin; - /** Default gateway */ - struct ibft_ipaddr gateway; - /** Primary and secondary DNS servers */ - struct ibft_ipaddr dns[2]; - /** DHCP server */ - struct ibft_ipaddr dhcp; - /** VLAN tag */ - uint16_t vlan; - /** MAC address */ - uint8_t mac_address[6]; - /** PCI bus:dev:fn */ - uint16_t pci_bus_dev_func; - /** Hostname */ - struct ibft_string hostname; -} __attribute__ (( packed )); - -/** Structure ID for NIC section */ -#define IBFT_STRUCTURE_ID_NIC 0x03 - -/** NIC block valid */ -#define IBFT_FL_NIC_BLOCK_VALID 0x01 - -/** NIC firmware boot selected */ -#define IBFT_FL_NIC_FIRMWARE_BOOT_SELECTED 0x02 - -/** NIC global / link local */ -#define IBFT_FL_NIC_GLOBAL 0x04 - -/** - * iBFT Target structure - * - */ -struct ibft_target { - /** Common header */ - struct ibft_header header; - /** IP address */ - struct ibft_ipaddr ip_address; - /** TCP port */ - uint16_t socket; - /** Boot LUN */ - uint64_t boot_lun; - /** CHAP type - * - * This is an IBFT_CHAP_XXX constant. - */ - uint8_t chap_type; - /** NIC association */ - uint8_t nic_association; - /** Target name */ - struct ibft_string target_name; - /** CHAP name */ - struct ibft_string chap_name; - /** CHAP secret */ - struct ibft_string chap_secret; - /** Reverse CHAP name */ - struct ibft_string reverse_chap_name; - /** Reverse CHAP secret */ - struct ibft_string reverse_chap_secret; -} __attribute__ (( packed )); - -/** Structure ID for Target section */ -#define IBFT_STRUCTURE_ID_TARGET 0x04 - -/** Target block valid */ -#define IBFT_FL_TARGET_BLOCK_VALID 0x01 - -/** Target firmware boot selected */ -#define IBFT_FL_TARGET_FIRMWARE_BOOT_SELECTED 0x02 - -/** Target use Radius CHAP */ -#define IBFT_FL_TARGET_USE_CHAP 0x04 - -/** Target use Radius rCHAP */ -#define IBFT_FL_TARGET_USE_RCHAP 0x08 - -/* Values for chap_type */ -#define IBFT_CHAP_NONE 0 /**< No CHAP authentication */ -#define IBFT_CHAP_ONE_WAY 1 /**< One-way CHAP */ -#define IBFT_CHAP_MUTUAL 2 /**< Mutual CHAP */ - -/** - * iSCSI Boot Firmware Table (iBFT) - */ -struct ibft_table { - /** ACPI header */ - struct acpi_description_header acpi; - /** Reserved */ - uint8_t reserved[12]; - /** Control structure */ - struct ibft_control control; -} __attribute__ (( packed )); - -/** - * iSCSI string block descriptor - * - * This is an internal structure that we use to keep track of the - * allocation of string data. - */ -struct ibft_string_block { - /** The iBFT containing these strings */ - struct ibft_table *table; - /** Offset of first free byte within iBFT */ - unsigned int offset; -}; - -/** Amount of space reserved for strings in a gPXE iBFT */ -#define IBFT_STRINGS_SIZE 384 - -/** - * An iBFT created by gPXE - * - */ -struct gpxe_ibft { - /** The fixed section */ - struct ibft_table table; - /** The Initiator section */ - struct ibft_initiator initiator __attribute__ (( aligned ( 16 ) )); - /** The NIC section */ - struct ibft_nic nic __attribute__ (( aligned ( 16 ) )); - /** The Target section */ - struct ibft_target target __attribute__ (( aligned ( 16 ) )); - /** Strings block */ - char strings[IBFT_STRINGS_SIZE]; -} __attribute__ (( packed, aligned ( 16 ) )); - -struct net_device; -struct iscsi_session; - -extern int ibft_fill_data ( struct net_device *netdev, - struct iscsi_session *iscsi ); - -#endif /* _GPXE_IBFT_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/memtop_umalloc.h b/gpxe/src/arch/i386/include/gpxe/memtop_umalloc.h deleted file mode 100644 index eaf7025b..00000000 --- a/gpxe/src/arch/i386/include/gpxe/memtop_umalloc.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef _GPXE_MEMTOP_UMALLOC_H -#define _GPXE_MEMTOP_UMALLOC_H - -/** @file - * - * External memory allocation - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef UMALLOC_MEMTOP -#define UMALLOC_PREFIX_memtop -#else -#define UMALLOC_PREFIX_memtop __memtop_ -#endif - -#endif /* _GPXE_MEMTOP_UMALLOC_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/rdtsc_timer.h b/gpxe/src/arch/i386/include/gpxe/rdtsc_timer.h deleted file mode 100644 index 67ba22f0..00000000 --- a/gpxe/src/arch/i386/include/gpxe/rdtsc_timer.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef _GPXE_RDTSC_TIMER_H -#define _GPXE_RDTSC_TIMER_H - -/** @file - * - * RDTSC timer - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef TIMER_RDTSC -#define TIMER_PREFIX_rdtsc -#else -#define TIMER_PREFIX_rdtsc __rdtsc_ -#endif - -/** - * RDTSC values can easily overflow an unsigned long. We discard the - * low-order bits in order to obtain sensibly-scaled values. - */ -#define TSC_SHIFT 8 - -/** - * Get current system time in ticks - * - * @ret ticks Current time, in ticks - */ -static inline __always_inline unsigned long -TIMER_INLINE ( rdtsc, currticks ) ( void ) { - unsigned long ticks; - - __asm__ __volatile__ ( "rdtsc\n\t" - "shrdl %1, %%edx, %%eax\n\t" - : "=a" ( ticks ) : "i" ( TSC_SHIFT ) : "edx" ); - return ticks; -} - -#endif /* _GPXE_RDTSC_TIMER_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/sbft.h b/gpxe/src/arch/i386/include/gpxe/sbft.h deleted file mode 100644 index 30038436..00000000 --- a/gpxe/src/arch/i386/include/gpxe/sbft.h +++ /dev/null @@ -1,125 +0,0 @@ -#ifndef _GPXE_SBFT_H -#define _GPXE_SBFT_H - -/* - * Copyright (C) 2009 Fen Systems Ltd <mbrown@fensystems.co.uk>. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 - * COPYRIGHT HOLDER 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. - */ - -FILE_LICENCE ( BSD2 ); - -/** @file - * - * SRP boot firmware table - * - * The working draft specification for the SRP boot firmware table can - * be found at - * - * http://etherboot.org/wiki/srp/sbft - * - */ - -#include <stdint.h> -#include <gpxe/acpi.h> -#include <gpxe/scsi.h> -#include <gpxe/srp.h> -#include <gpxe/ib_srp.h> - -/** SRP Boot Firmware Table signature */ -#define SBFT_SIG "sBFT" - -/** An offset from the start of the sBFT */ -typedef uint16_t sbft_off_t; - -/** - * SRP Boot Firmware Table - */ -struct sbft_table { - /** ACPI header */ - struct acpi_description_header acpi; - /** Offset to SCSI subtable */ - sbft_off_t scsi_offset; - /** Offset to SRP subtable */ - sbft_off_t srp_offset; - /** Offset to IB subtable, if present */ - sbft_off_t ib_offset; - /** Reserved */ - uint8_t reserved[6]; -} __attribute__ (( packed )); - -/** - * sBFT SCSI subtable - */ -struct sbft_scsi_subtable { - /** LUN */ - struct scsi_lun lun; -} __attribute__ (( packed )); - -/** - * sBFT SRP subtable - */ -struct sbft_srp_subtable { - /** Initiator and target ports */ - struct srp_port_ids port_ids; -} __attribute__ (( packed )); - -/** - * sBFT IB subtable - */ -struct sbft_ib_subtable { - /** Source GID */ - struct ib_gid sgid; - /** Destination GID */ - struct ib_gid dgid; - /** Service ID */ - struct ib_gid_half service_id; - /** Partition key */ - uint16_t pkey; - /** Reserved */ - uint8_t reserved[6]; -} __attribute__ (( packed )); - -/** - * An sBFT created by gPXE - */ -struct gpxe_sbft { - /** The table header */ - struct sbft_table table; - /** The SCSI subtable */ - struct sbft_scsi_subtable scsi; - /** The SRP subtable */ - struct sbft_srp_subtable srp; - /** The IB subtable */ - struct sbft_ib_subtable ib; -} __attribute__ (( packed, aligned ( 16 ) )); - -struct srp_device; - -extern int sbft_fill_data ( struct srp_device *srp ); - -#endif /* _GPXE_SBFT_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/timer2.h b/gpxe/src/arch/i386/include/gpxe/timer2.h deleted file mode 100644 index 8f119515..00000000 --- a/gpxe/src/arch/i386/include/gpxe/timer2.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _GPXE_TIMER2_H -#define _GPXE_TIMER2_H - -/** @file - * - * Timer chip control - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -extern void timer2_udelay ( unsigned long usecs ); - -#endif /* _GPXE_TIMER2_H */ diff --git a/gpxe/src/arch/i386/include/gpxe/x86_io.h b/gpxe/src/arch/i386/include/gpxe/x86_io.h deleted file mode 100644 index beb5b22a..00000000 --- a/gpxe/src/arch/i386/include/gpxe/x86_io.h +++ /dev/null @@ -1,153 +0,0 @@ -#ifndef _GPXE_X86_IO_H -#define _GPXE_X86_IO_H - -/** @file - * - * gPXE I/O API for x86 - * - * i386 uses direct pointer dereferences for accesses to memory-mapped - * I/O space, and the inX/outX instructions for accesses to - * port-mapped I/O space. - * - * 64-bit atomic accesses (readq() and writeq()) use MMX instructions, - * and will crash original Pentium and earlier CPUs. Fortunately, no - * hardware that requires atomic 64-bit accesses will physically fit - * into a machine with such an old CPU anyway. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef IOAPI_X86 -#define IOAPI_PREFIX_x86 -#else -#define IOAPI_PREFIX_x86 __x86_ -#endif - -/* - * Memory space mappings - * - */ - -/* - * Physical<->Bus and Bus<->I/O address mappings - * - */ - -static inline __always_inline unsigned long -IOAPI_INLINE ( x86, phys_to_bus ) ( unsigned long phys_addr ) { - return phys_addr; -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( x86, bus_to_phys ) ( unsigned long bus_addr ) { - return bus_addr; -} - -static inline __always_inline void * -IOAPI_INLINE ( x86, ioremap ) ( unsigned long bus_addr, size_t len __unused ) { - return phys_to_virt ( bus_addr ); -} - -static inline __always_inline void -IOAPI_INLINE ( x86, iounmap ) ( volatile const void *io_addr __unused ) { - /* Nothing to do */ -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( x86, io_to_bus ) ( volatile const void *io_addr ) { - return virt_to_phys ( io_addr ); -} - -/* - * MMIO reads and writes up to 32 bits - * - */ - -#define X86_READX( _api_func, _type ) \ -static inline __always_inline _type \ -IOAPI_INLINE ( x86, _api_func ) ( volatile _type *io_addr ) { \ - return *io_addr; \ -} -X86_READX ( readb, uint8_t ); -X86_READX ( readw, uint16_t ); -X86_READX ( readl, uint32_t ); - -#define X86_WRITEX( _api_func, _type ) \ -static inline __always_inline void \ -IOAPI_INLINE ( x86, _api_func ) ( _type data, \ - volatile _type *io_addr ) { \ - *io_addr = data; \ -} -X86_WRITEX ( writeb, uint8_t ); -X86_WRITEX ( writew, uint16_t ); -X86_WRITEX ( writel, uint32_t ); - -/* - * PIO reads and writes up to 32 bits - * - */ - -#define X86_INX( _insn_suffix, _type, _reg_prefix ) \ -static inline __always_inline _type \ -IOAPI_INLINE ( x86, in ## _insn_suffix ) ( volatile _type *io_addr ) { \ - _type data; \ - __asm__ __volatile__ ( "in" #_insn_suffix " %w1, %" _reg_prefix "0" \ - : "=a" ( data ) : "Nd" ( io_addr ) ); \ - return data; \ -} \ -static inline __always_inline void \ -IOAPI_INLINE ( x86, ins ## _insn_suffix ) ( volatile _type *io_addr, \ - _type *data, \ - unsigned int count ) { \ - unsigned int discard_D; \ - __asm__ __volatile__ ( "rep ins" #_insn_suffix \ - : "=D" ( discard_D ) \ - : "d" ( io_addr ), "c" ( count ), \ - "0" ( data ) ); \ -} -X86_INX ( b, uint8_t, "b" ); -X86_INX ( w, uint16_t, "w" ); -X86_INX ( l, uint32_t, "k" ); - -#define X86_OUTX( _insn_suffix, _type, _reg_prefix ) \ -static inline __always_inline void \ -IOAPI_INLINE ( x86, out ## _insn_suffix ) ( _type data, \ - volatile _type *io_addr ) { \ - __asm__ __volatile__ ( "out" #_insn_suffix " %" _reg_prefix "0, %w1" \ - : : "a" ( data ), "Nd" ( io_addr ) ); \ -} \ -static inline __always_inline void \ -IOAPI_INLINE ( x86, outs ## _insn_suffix ) ( volatile _type *io_addr, \ - const _type *data, \ - unsigned int count ) { \ - unsigned int discard_S; \ - __asm__ __volatile__ ( "rep outs" #_insn_suffix \ - : "=S" ( discard_S ) \ - : "d" ( io_addr ), "c" ( count ), \ - "0" ( data ) ); \ -} -X86_OUTX ( b, uint8_t, "b" ); -X86_OUTX ( w, uint16_t, "w" ); -X86_OUTX ( l, uint32_t, "k" ); - -/* - * Slow down I/O - * - */ - -static inline __always_inline void -IOAPI_INLINE ( x86, iodelay ) ( void ) { - __asm__ __volatile__ ( "outb %al, $0x80" ); -} - -/* - * Memory barrier - * - */ - -static inline __always_inline void -IOAPI_INLINE ( x86, mb ) ( void ) { - __asm__ __volatile__ ( "lock; addl $0, 0(%%esp)" : : : "memory" ); -} - -#endif /* _GPXE_X86_IO_H */ |