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-rw-r--r--lib/libio/bwx.c244
1 files changed, 0 insertions, 244 deletions
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,
-};
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