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-rw-r--r--lib/libio/swiz.c248
1 files changed, 0 insertions, 248 deletions
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,
-};
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