diff options
Diffstat (limited to 'lib/libio')
| -rw-r--r-- | lib/libio/Makefile | 9 | ||||
| -rw-r--r-- | lib/libio/alpha_sethae.c | 46 | ||||
| -rw-r--r-- | lib/libio/bwx.c | 244 | ||||
| -rw-r--r-- | lib/libio/io.c | 173 | ||||
| -rw-r--r-- | lib/libio/io.h | 48 | ||||
| -rw-r--r-- | lib/libio/swiz.c | 248 |
6 files changed, 0 insertions, 768 deletions
diff --git a/lib/libio/Makefile b/lib/libio/Makefile deleted file mode 100644 index bbbd72d..0000000 --- a/lib/libio/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# $FreeBSD$ - -LIB= io -SHLIB_MAJOR= 1 -SRCS= io.c swiz.c bwx.c alpha_sethae.c - -CFLAGS+= -Wall -Wa,-mev56 - -.include <bsd.lib.mk> diff --git a/lib/libio/alpha_sethae.c b/lib/libio/alpha_sethae.c deleted file mode 100644 index 206b6dd..0000000 --- a/lib/libio/alpha_sethae.c +++ /dev/null @@ -1,46 +0,0 @@ -/*- - * Copyright (c) 1998 Doug Rabson - * All rights reserved. - * - * 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. - * - * 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. - */ - - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <machine/sysarch.h> - -struct parms { - u_int64_t hae; -}; - -int -alpha_sethae(u_int64_t hae) -{ - struct parms p; - - p.hae = hae; - - return (sysarch(ALPHA_SETHAE, &p)); -} diff --git a/lib/libio/bwx.c b/lib/libio/bwx.c deleted file mode 100644 index 5b47968..0000000 --- a/lib/libio/bwx.c +++ /dev/null @@ -1,244 +0,0 @@ -/*- - * Copyright (c) 1998 Doug Rabson - * All rights reserved. - * - * 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. - * - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/mman.h> -#include <sys/fcntl.h> -#include <sys/sysctl.h> -#include <err.h> -#include <paths.h> -#include <machine/bwx.h> -#include <machine/sysarch.h> -#include <stdlib.h> -#include "io.h" - -#define mb() __asm__ __volatile__("mb" : : : "memory") -#define wmb() __asm__ __volatile__("wmb" : : : "memory") - -static int mem_fd; /* file descriptor to /dev/mem */ -static void *bwx_int1_ports; /* mapped int1 io ports */ -static void *bwx_int2_ports; /* mapped int2 io ports */ -static void *bwx_int4_ports; /* mapped int4 io ports */ -static u_int64_t bwx_io_base; /* physical address of ports */ -static u_int64_t bwx_mem_base; /* physical address of bwx mem */ - -static void -bwx_init() -{ - size_t len = sizeof(u_int64_t); - int error; - - mem_fd = open(_PATH_MEM, O_RDWR); - if (mem_fd < 0) - err(1, _PATH_MEM); - bwx_int1_ports = mmap(0, 1L<<32, PROT_READ, MAP_ANON, -1, 0); - bwx_int2_ports = mmap(0, 1L<<32, PROT_READ, MAP_ANON, -1, 0); - bwx_int4_ports = mmap(0, 1L<<32, PROT_READ, MAP_ANON, -1, 0); - - if ((error = sysctlbyname("hw.chipset.ports", &bwx_io_base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.ports"); - if ((error = sysctlbyname("hw.chipset.memory", &bwx_mem_base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.memory"); -} - -static int -bwx_ioperm(u_int32_t from, u_int32_t num, int on) -{ - u_int32_t start, end; - - if (!bwx_int1_ports) - bwx_init(); - - if (!on) - return -1; /* XXX can't unmap yet */ - - start = trunc_page(from); - end = round_page(from + num); - - munmap(bwx_int1_ports + start, end-start); - munmap(bwx_int2_ports + start, end-start); - munmap(bwx_int4_ports + start, end-start); - mmap(bwx_int1_ports + start, end-start, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_io_base + BWX_EV56_INT1 + start); - mmap(bwx_int2_ports + start, end-start, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_io_base + BWX_EV56_INT2 + start); - mmap(bwx_int4_ports + start, end-start, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_io_base + BWX_EV56_INT4 + start); - return 0; -} - -static u_int8_t -bwx_inb(u_int32_t port) -{ - mb(); - return ldbu((vm_offset_t)bwx_int1_ports + port); -} - -static u_int16_t -bwx_inw(u_int32_t port) -{ - mb(); - return ldwu((vm_offset_t)bwx_int2_ports + port); -} - -static u_int32_t -bwx_inl(u_int32_t port) -{ - mb(); - return ldl((vm_offset_t)bwx_int4_ports + port); -} - -static void -bwx_outb(u_int32_t port, u_int8_t val) -{ - stb((vm_offset_t)bwx_int1_ports + port, val); - wmb(); -} - -static void -bwx_outw(u_int32_t port, u_int16_t val) -{ - stw((vm_offset_t)bwx_int2_ports + port, val); - wmb(); -} - -static void -bwx_outl(u_int32_t port, u_int32_t val) -{ - stl((vm_offset_t)bwx_int4_ports + port, val); - wmb(); -} - -struct bwx_mem_handle { - void *virt1; /* int1 address in user address-space */ - void *virt2; /* int2 address in user address-space */ - void *virt4; /* int4 address in user address-space */ -}; - -static void * -bwx_map_memory(u_int32_t address, u_int32_t size) -{ - struct bwx_mem_handle *h; - h = malloc(sizeof(struct bwx_mem_handle)); - if (!h) return 0; - h->virt1 = mmap(0, size << 5, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_mem_base + BWX_EV56_INT1 + address); - if ((long) h->virt1 == -1) { - free(h); - return 0; - } - h->virt2 = mmap(0, size << 5, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_mem_base + BWX_EV56_INT2 + address); - if ((long) h->virt2 == -1) { - munmap(h->virt1, size); - free(h); - return 0; - } - h->virt4 = mmap(0, size << 5, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, bwx_mem_base + BWX_EV56_INT4 + address); - if ((long) h->virt4 == -1) { - munmap(h->virt1, size); - munmap(h->virt2, size); - free(h); - return 0; - } - return h; -} - -static void -bwx_unmap_memory(void *handle, u_int32_t size) -{ - struct bwx_mem_handle *h = handle; - munmap(h->virt1, size); - munmap(h->virt2, size); - munmap(h->virt4, size); - free(h); -} - -static u_int8_t -bwx_readb(void *handle, u_int32_t offset) -{ - struct bwx_mem_handle *h = handle; - return ldbu((vm_offset_t)h->virt1 + offset); -} - -static u_int16_t -bwx_readw(void *handle, u_int32_t offset) -{ - struct bwx_mem_handle *h = handle; - return ldwu((vm_offset_t)h->virt2 + offset); -} - -static u_int32_t -bwx_readl(void *handle, u_int32_t offset) -{ - struct bwx_mem_handle *h = handle; - return ldl((vm_offset_t)h->virt4 + offset); -} - -static void -bwx_writeb(void *handle, u_int32_t offset, u_int8_t val) -{ - struct bwx_mem_handle *h = handle; - stb_nb((vm_offset_t)h->virt1 + offset, val); -} - -static void -bwx_writew(void *handle, u_int32_t offset, u_int16_t val) -{ - struct bwx_mem_handle *h = handle; - stw_nb((vm_offset_t)h->virt2 + offset, val); -} - -static void -bwx_writel(void *handle, u_int32_t offset, u_int32_t val) -{ - struct bwx_mem_handle *h = handle; - stl_nb((vm_offset_t)h->virt4 + offset, val); -} - -struct io_ops bwx_io_ops = { - bwx_ioperm, - bwx_inb, - bwx_inw, - bwx_inl, - bwx_outb, - bwx_outw, - bwx_outl, - bwx_map_memory, - bwx_unmap_memory, - bwx_readb, - bwx_readw, - bwx_readl, - bwx_writeb, - bwx_writew, - bwx_writel, -}; diff --git a/lib/libio/io.c b/lib/libio/io.c deleted file mode 100644 index a963349..0000000 --- a/lib/libio/io.c +++ /dev/null @@ -1,173 +0,0 @@ -/*- - * Copyright (c) 1998 Doug Rabson - * All rights reserved. - * - * 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. - * - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> -#include <sys/sysctl.h> -#include <err.h> -#include "io.h" - -static struct io_ops *ops; - -int -ioperm(unsigned long from, unsigned long num, int on) -{ - int error; - int bwx; - size_t len = sizeof(bwx); - - if ((error = sysctlbyname("hw.chipset.bwx", &bwx, &len, 0, 0)) < 0) - return error; - if (bwx) - ops = &bwx_io_ops; - else - ops = &swiz_io_ops; - - return ops->ioperm(from, num, on); -} - -u_int8_t -inb(u_int32_t port) -{ - return ops->inb(port); -} - -u_int16_t -inw(u_int32_t port) -{ - return ops->inw(port); -} - -u_int32_t -inl(u_int32_t port) -{ - return ops->inl(port); -} - -void -outb(u_int32_t port, u_int8_t val) -{ - ops->outb(port, val); -} - -void -outw(u_int32_t port, u_int16_t val) -{ - ops->outw(port, val); -} - -void -outl(u_int32_t port, u_int32_t val) -{ - ops->outl(port, val); -} - -void * -map_memory(u_int32_t address, u_int32_t size) -{ - return ops->map_memory(address, size); -} - -void -unmap_memory(void *handle, u_int32_t size) -{ - ops->unmap_memory(handle, size); -} - -u_int8_t -readb(void *handle, u_int32_t offset) -{ - return ops->readb(handle, offset); -} - -u_int16_t -readw(void *handle, u_int32_t offset) -{ - return ops->readw(handle, offset); -} - -u_int32_t -readl(void *handle, u_int32_t offset) -{ - return ops->readl(handle, offset); -} - -void -writeb(void *handle, u_int32_t offset, u_int8_t val) -{ - ops->writeb(handle, offset, val); - __asm__ __volatile__ ("mb"); -} - -void -writew(void *handle, u_int32_t offset, u_int16_t val) -{ - ops->writew(handle, offset, val); - __asm__ __volatile__ ("mb"); -} - -void -writel(void *handle, u_int32_t offset, u_int32_t val) -{ - ops->writel(handle, offset, val); - __asm__ __volatile__ ("mb"); -} - -void -writeb_nb(void *handle, u_int32_t offset, u_int8_t val) -{ - return ops->writeb(handle, offset, val); -} - -void -writew_nb(void *handle, u_int32_t offset, u_int16_t val) -{ - return ops->writew(handle, offset, val); -} - -void -writel_nb(void *handle, u_int32_t offset, u_int32_t val) -{ - return ops->writel(handle, offset, val); -} - -u_int64_t -dense_base(void) -{ - static u_int64_t base = 0; - - if (base == 0) { - size_t len = sizeof(base); - int error; - if ((error = sysctlbyname("hw.chipset.dense", &base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.dense"); - } - - return base; -} diff --git a/lib/libio/io.h b/lib/libio/io.h deleted file mode 100644 index 1f4c620..0000000 --- a/lib/libio/io.h +++ /dev/null @@ -1,48 +0,0 @@ -/*- - * Copyright (c) 1998 Doug Rabson - * All rights reserved. - * - * 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. - * - * 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. - * - * $FreeBSD$ - */ - -struct io_ops { - int (*ioperm)(u_int32_t, u_int32_t, int); - u_int8_t (*inb)(u_int32_t); - u_int16_t (*inw)(u_int32_t); - u_int32_t (*inl)(u_int32_t); - void (*outb)(u_int32_t, u_int8_t); - void (*outw)(u_int32_t, u_int16_t); - void (*outl)(u_int32_t, u_int32_t); - void * (*map_memory)(u_int32_t, u_int32_t); - void (*unmap_memory)(void *, u_int32_t); - u_int8_t (*readb)(void *, u_int32_t); - u_int16_t (*readw)(void *, u_int32_t); - u_int32_t (*readl)(void *, u_int32_t); - void (*writeb)(void *, u_int32_t, u_int8_t); - void (*writew)(void *, u_int32_t, u_int16_t); - void (*writel)(void *, u_int32_t, u_int32_t); -}; - -extern struct io_ops swiz_io_ops; -extern struct io_ops bwx_io_ops; diff --git a/lib/libio/swiz.c b/lib/libio/swiz.c deleted file mode 100644 index eab2a03..0000000 --- a/lib/libio/swiz.c +++ /dev/null @@ -1,248 +0,0 @@ -/*- - * Copyright (c) 1998 Doug Rabson - * All rights reserved. - * - * 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. - * - * 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/mman.h> -#include <sys/fcntl.h> -#include <sys/sysctl.h> -#include <err.h> -#include <paths.h> -#include <machine/swiz.h> -#include <machine/sysarch.h> -#include <stdlib.h> -#include "io.h" - -#define mb() __asm__ __volatile__("mb" : : : "memory") -#define wmb() __asm__ __volatile__("wmb" : : : "memory") - -static int mem_fd; /* file descriptor to /dev/mem */ -static void *swiz_ports; /* mapped io ports */ -static u_int64_t swiz_io_base; /* physical address of ports */ -static u_int64_t swiz_mem_base; /* physical address of sparse mem */ -static u_int64_t swiz_dense_base; /* physical address of dense mem */ -static u_int64_t swiz_hae_mask; /* mask address bits for hae */ -static u_int32_t swiz_hae; /* cache of current hae */ - -static void -swiz_init() -{ - - size_t len = sizeof(u_int64_t); - int error; - - mem_fd = open(_PATH_MEM, O_RDWR); - if (mem_fd < 0) - err(1, _PATH_MEM); - swiz_ports = mmap(0, 1L<<32, PROT_READ, MAP_ANON, -1, 0); - - if ((error = sysctlbyname("hw.chipset.ports", &swiz_io_base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.ports"); - if ((error = sysctlbyname("hw.chipset.memory", &swiz_mem_base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.memory"); - if ((error = sysctlbyname("hw.chipset.dense", &swiz_dense_base, &len, - 0, 0)) < 0) - err(1, "hw.chipset.memory"); - if ((error = sysctlbyname("hw.chipset.hae_mask", &swiz_hae_mask, &len, - 0, 0)) < 0) - err(1, "hw.chipset.memory"); - -} - -static int -swiz_ioperm(u_int32_t from, u_int32_t num, int on) -{ - u_int64_t start, end; - void *addr; - - if (!swiz_ports) - swiz_init(); - - if (!on) - return -1; /* XXX can't unmap yet */ - - start = trunc_page(from << 5); - end = round_page((from + num) << 5); - addr = swiz_ports + start; - munmap(addr, end - start); - mmap(addr, end - start, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, swiz_io_base + start); - return 0; -} - -static u_int8_t -swiz_inb(u_int32_t port) -{ - mb(); - return SPARSE_READ_BYTE(swiz_ports, port); -} - -static u_int16_t -swiz_inw(u_int32_t port) -{ - mb(); - return SPARSE_READ_WORD(swiz_ports, port); -} - -static u_int32_t -swiz_inl(u_int32_t port) -{ - mb(); - return SPARSE_READ_LONG(swiz_ports, port); -} - -static void -swiz_outb(u_int32_t port, u_int8_t val) -{ - SPARSE_WRITE_BYTE(swiz_ports, port, val); - wmb(); -} - -static void -swiz_outw(u_int32_t port, u_int16_t val) -{ - SPARSE_WRITE_WORD(swiz_ports, port, val); - wmb(); -} - -static void -swiz_outl(u_int32_t port, u_int32_t val) -{ - SPARSE_WRITE_LONG(swiz_ports, port, val); - wmb(); -} - -struct swiz_mem_handle { - u_int32_t phys; /* address in PCI address-space */ - void *virt; /* address in user address-space */ - u_int32_t size; /* size of mapped region */ -}; - -static void * -swiz_map_memory(u_int32_t address, u_int32_t size) -{ - struct swiz_mem_handle *h; - h = malloc(sizeof(struct swiz_mem_handle)); - if (!h) return 0; - h->phys = address; - h->virt = mmap(0, size << 5, PROT_READ|PROT_WRITE, MAP_SHARED, - mem_fd, - swiz_mem_base + ((address & ~swiz_hae_mask) << 5)); - if ((long) h->virt == -1) { - free(h); - return 0; - } - h->size = size << 5; - return h; -} - -static void -swiz_unmap_memory(void *handle, u_int32_t size) -{ - struct swiz_mem_handle *h = handle; - munmap(h->virt, h->size); - free(h); -} - -static void -swiz_sethae(vm_offset_t phys) -{ - u_int32_t hae = phys & swiz_hae_mask; - if (hae != swiz_hae) { - alpha_sethae(hae); - swiz_hae = hae; - } -} - -static u_int8_t -swiz_readb(void *handle, u_int32_t offset) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - return SPARSE_READ_BYTE(h->virt, offset); -} - -static u_int16_t -swiz_readw(void *handle, u_int32_t offset) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - return SPARSE_READ_WORD(h->virt, offset); -} - -static u_int32_t -swiz_readl(void *handle, u_int32_t offset) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - return SPARSE_READ_LONG(h->virt, offset); -} - -static void -swiz_writeb(void *handle, u_int32_t offset, u_int8_t val) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - SPARSE_WRITE_BYTE(h->virt, offset, val); -} - -static void -swiz_writew(void *handle, u_int32_t offset, u_int16_t val) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - SPARSE_WRITE_WORD(h->virt, offset, val); -} - -static void -swiz_writel(void *handle, u_int32_t offset, u_int32_t val) -{ - struct swiz_mem_handle *h = handle; - swiz_sethae(h->phys + offset); - SPARSE_WRITE_LONG(h->virt, offset, val); -} - -struct io_ops swiz_io_ops = { - swiz_ioperm, - swiz_inb, - swiz_inw, - swiz_inl, - swiz_outb, - swiz_outw, - swiz_outl, - swiz_map_memory, - swiz_unmap_memory, - swiz_readb, - swiz_readw, - swiz_readl, - swiz_writeb, - swiz_writew, - swiz_writel, -}; |
