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authorJeremy Katz <katzj@redhat.com>2002-01-21 22:33:11 +0000
committerJeremy Katz <katzj@redhat.com>2002-01-21 22:33:11 +0000
commitcf624258331ccb2b74ec5844cf96cafe7ef46252 (patch)
treeb8d436d166acb2f3707eacecaae4430c696687ea /edd
parent8842f3f725af9dbfc41ce884da520f97a53d2a4f (diff)
downloadanaconda-cf624258331ccb2b74ec5844cf96cafe7ef46252.tar.gz
anaconda-cf624258331ccb2b74ec5844cf96cafe7ef46252.tar.xz
anaconda-cf624258331ccb2b74ec5844cf96cafe7ef46252.zip
this is in booty now
Diffstat (limited to 'edd')
-rw-r--r--edd/COPYING483
-rw-r--r--edd/Makefile35
-rw-r--r--edd/edd.c223
-rw-r--r--edd/edd.h66
-rw-r--r--edd/lrmi.c911
-rw-r--r--edd/lrmi.h85
-rw-r--r--edd/pyedd.c71
7 files changed, 0 insertions, 1874 deletions
diff --git a/edd/COPYING b/edd/COPYING
deleted file mode 100644
index 0b643ac83..000000000
--- a/edd/COPYING
+++ /dev/null
@@ -1,483 +0,0 @@
-
- GNU LIBRARY GENERAL PUBLIC LICENSE
- Version 2, June 1991
-
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- 675 Mass Ave, Cambridge, MA 02139, USA
- Everyone is permitted to copy and distribute verbatim copies
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diff --git a/edd/Makefile b/edd/Makefile
deleted file mode 100644
index 6add37b1d..000000000
--- a/edd/Makefile
+++ /dev/null
@@ -1,35 +0,0 @@
-include ../Makefile.inc
-
-CFLAGS=-Wall -O -g -fpic -I$(PYTHONINCLUDE)# -DDEBUG
-
-TARGETS=eddmodule.so libedd.a(edd.o lrmi.o)
-
-ifeq (.depend,$(wildcard .depend))
-TARGET=all
-else
-TARGET=depend all
-endif
-
-everything: $(TARGET)
-
-all: $(TARGETS)
-
-install: all
- install eddmodule.so $(DESTDIR)/$(PYTHONLIBDIR)
-
-edd: lrmi.c edd.c
- gcc -DDEBUG -o edd lrmi.c edd.c
-
-eddmodule.so: pyedd.c edd.o lrmi.o
- gcc -c -o pyedd.o -fpic pyedd.c $(CFLAGS)
- gcc -shared -g -o $@ pyedd.o edd.o lrmi.o
-
-clean:
- rm -f *.o *.so *~ core *.a
-
-depend:
- $(CPP) -M $(CFLAGS) *.c > .depend
-
-ifeq (.depend,$(wildcard .depend))
-include .depend
-endif
diff --git a/edd/edd.c b/edd/edd.c
deleted file mode 100644
index fbad48723..000000000
--- a/edd/edd.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * edd.c - real mode bios library for discovering EDD capabilities of
- * BIOS drives
- *
- * Matt Wilson <msw@redhat.com>
- *
- * Copyright 2000 Red Hat, Inc.
- *
- * This software may be freely redistributed under the terms of the GNU
- * library public license.
- *
- * You should have received a copy of the GNU Library Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <sys/io.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lrmi.h"
-#include "edd.h"
-
-static int edd_lrmi_initialized = 0;
-
-static int
-edd_lrmi_init (void) {
- if (edd_lrmi_initialized)
- return EDD_SUCCESS;
-
- if (iopl(3)) {
- fprintf (stderr, "ERROR: failed to set iopl permissions\n");
- return EDD_ERROR;
- }
-
- if (ioperm(0, 0x400, 1)) {
- fprintf (stderr, "ERROR: failed to set ioperm permissions\n");
- return EDD_ERROR;
- }
-
- /* Initialize LRMI. */
- if(LRMI_init() == 1) {
- edd_lrmi_initialized = 1;
- return EDD_SUCCESS;
- }
-
- fprintf (stderr, "ERROR: failed to initialize lrmi library\n");
- return EDD_ERROR;
-}
-
-EDDParameters *
-edd_get_parameters (EDDCapability *ec)
-{
- struct LRMI_regs regs;
- EDDParameters *ep, *ret;
-
- return NULL;
-
- if (edd_lrmi_init() == EDD_ERROR) {
- return NULL;
- }
-
- (unsigned char *) ep = LRMI_alloc_real(sizeof(EDDParameters));
- if (ep == NULL) {
- return NULL;
- }
-
- memset(ep, 0, sizeof(EDDParameters));
- memset(&regs, 0, sizeof(regs));
-
- if (ec->version.major == 3)
- ep->buffer_size = 0x42;
- else if (ec->version.major == 2)
- ep->buffer_size = 0x1e;
- else
- ep->buffer_size = 0x1a;
-
- regs.eax = 0x4800;
- regs.edx = ec->drive & 0x00ff;
- regs.es = ((u_int32_t) ep) >> 4;
- regs.edi = ((u_int32_t) ep) & 0x0f;
-
- printf ("%p -> 0x%x 0x%x\n", ep, regs.es, regs.edi);
-
- if(LRMI_int(0x13, &regs) == 0) {
- LRMI_free_real((unsigned char *) ep);
- return NULL;
- }
-
- /* XXX check return */
- printf ("0x%x\n", regs.eax);
- printf ("0x%x\n", regs.flags);
-
- ret = malloc (sizeof (EDDParameters));
- if (ret == NULL) {
- fprintf (stderr, "out of memory\n");
- abort();
- }
- memcpy (ret, ep, sizeof (EDDParameters));
- LRMI_free_real((unsigned char *) ep);
-
- return ret;
-}
-
-EDDCapability *
-edd_supported(int drive)
-{
- struct LRMI_regs regs;
-
- FILE *f = fopen("/proc/cmdline", "r");
- if (f) {
- char buf[100];
- fgets(buf, sizeof(buf) - 1, f);
- fclose(f);
- if (strstr(buf, "lba32")) {
- EDDCapability *ec = malloc (sizeof (EDDCapability));
- ec->edd = 1;
- return ec;
- }
-
- }
-
- if (edd_lrmi_init() == EDD_ERROR) {
- return NULL;
- }
-
- memset(&regs, 0, sizeof(regs));
- regs.eax = 0x4100;
- regs.ebx = 0x55aa;
- regs.edx = drive & 0xff;
-
- /* Do it. */
- if (LRMI_int (0x13, &regs) == 0) {
- return NULL;
- }
-
- /* Check for successful return. */
- if(regs.ebx == 0xaa55) {
- /* Supported, report capabilities */
- EDDCapability *ec = malloc (sizeof (EDDCapability));
- memset (ec, 0, sizeof (EDDCapability));
-
- if (ec == NULL) {
- fprintf (stderr, "out of memory\n");
- abort();
- }
-
- if ((regs.eax & 0xff00) == 0x0100) {
- ec->version.major = 1;
- ec->version.minor = 0;
- } else if ((regs.eax & 0xff00) == 0x2000) {
- ec->version.major = 2;
- ec->version.minor = 0;
- } else if ((regs.eax & 0xff00) == 0x2100) {
- ec->version.major = 2;
- ec->version.minor = 1;
- } else if ((regs.eax & 0xff00) == 0x3000) {
- ec->version.major = 3;
- ec->version.minor = 0;
- } else {
-/* fprintf (stderr, "WARNING: Unknown EDD version 0x%x supported\n", */
-/* regs.eax & 0xff00); */
- /* XXX hack, get rid of stderr output */
- ec->version.major = 1;
- ec->version.minor = 0;
- }
- if (regs.ecx & EDD_CAPABILITY_EDA)
- ec->eda = 1;
-
- if (regs.ecx & EDD_CAPABILITY_REMOVABLE)
- ec->removable = 1;
-
- if (regs.ecx & EDD_CAPABILITY_EDD)
- ec->edd = 1;
-
- ec->drive = drive;
-
- return ec;
- } else {
- /* Not supported. */
- return NULL;
- }
-}
-
-#ifdef TESTING
-int
-main (void)
-{
- int i;
- EDDCapability *ec;
- EDDParameters *ep;
-
- for (i = 0x80; i < 0x90; i++) {
- if ((ec = edd_supported(i))) {
- printf ("edd version %d.%d supported on 0x%x\n", ec->version.major,
- ec->version.minor, i);
- printf (" extended disk access %s\n",
- ec->eda ? "supported" : "not supported");
- printf (" removable media functions %s\n",
- ec->removable ? "supported" : "not supported");
- printf (" edd functions %s\n",
- ec->edd ? "supported" : "not supported");
- ep = edd_get_parameters (ec);
- if (ep) {
- printf ("heads: %d cyl: %d sec/track: %d\n",
- ep->heads, ep->cyls, ep->sectors);
- free (ep);
- } else
- printf ("get_parameters call failed\n");
- free (ec);
- } else
- printf ("edd not supported on 0x%x\n", i);
- }
-
- return 0;
-}
-#endif
-
-
-
-
diff --git a/edd/edd.h b/edd/edd.h
deleted file mode 100644
index 2a21ab2f1..000000000
--- a/edd/edd.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * edd.h - real mode bios library for discovering EDD capabilities of
- * BIOS drives
- *
- * Matt Wilson <msw@redhat.com>
- *
- * Copyright 2000 Red Hat, Inc.
- *
- * This software may be freely redistributed under the terms of the GNU
- * library public license.
- *
- * You should have received a copy of the GNU Library Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#ifndef __EDD_H__
-#define __EDD_H__
-
-#include <sys/types.h>
-
-#define EDD_ERROR 1
-#define EDD_SUCCESS 0
-
-#define EDD_CAPABILITY_EDA 1 << 0
-#define EDD_CAPABILITY_REMOVABLE 1 << 1
-#define EDD_CAPABILITY_EDD 1 << 2
-
-typedef struct EDDParameters_t {
- u_int16_t buffer_size;
- u_int16_t info_flags;
- u_int32_t cyls;
- u_int32_t heads;
- u_int32_t sectors;
- u_int64_t total_sectors;
- u_int16_t bytes_per_sector;
- /* -- 2.0+ -- */
- u_int32_t parameters;
- /* -- 3.0 -- */
- u_int16_t path_signature;
- unsigned char path_length;
- unsigned char path_reserved[3];
- unsigned char path_bus[3];
- unsigned char path_interface[8];
- unsigned char path_interface_path[8];
- unsigned char path_device_path[8];
- unsigned char tail_reserved;
- unsigned char checksum;
-} EDDParameters;
-
-typedef struct EDDCapability_t {
- int drive;
- struct {
- int major, minor;
- } version;
- int eda : 1;
- int removable : 1;
- int edd : 1;
-} EDDCapability;
-
-EDDCapability * edd_supported(int drive);
-EDDParameters * edd_get_parameters (EDDCapability *ec);
-
-
-#endif /* __EDD_H__ */
diff --git a/edd/lrmi.c b/edd/lrmi.c
deleted file mode 100644
index ca8af0a1e..000000000
--- a/edd/lrmi.c
+++ /dev/null
@@ -1,911 +0,0 @@
-/*
-Linux Real Mode Interface - A library of DPMI-like functions for Linux.
-
-Copyright (C) 1998 by Josh Vanderhoof
-
-You are free to distribute and modify this file, as long as you
-do not remove this copyright notice and clearly label modified
-versions as being modified.
-
-This software has NO WARRANTY. Use it at your own risk.
-*/
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/io.h>
-#include <asm/vm86.h>
-
-#ifdef USE_LIBC_VM86
-#include <sys/vm86.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "lrmi.h"
-
-#define REAL_MEM_BASE ((void *)0x10000)
-#define REAL_MEM_SIZE 0x10000
-#define REAL_MEM_BLOCKS 0x100
-
-struct mem_block
- {
- unsigned int size : 20;
- unsigned int free : 1;
- };
-
-static struct
- {
- int ready;
- int count;
- struct mem_block blocks[REAL_MEM_BLOCKS];
- } mem_info = { 0 };
-
-static int
-real_mem_init(void)
- {
- void *m;
- int fd_zero;
-
- if (mem_info.ready)
- return 1;
-
- fd_zero = open("/dev/zero", O_RDONLY);
- if (fd_zero == -1)
- {
- perror("open /dev/zero");
- return 0;
- }
-
- m = mmap((void *)REAL_MEM_BASE, REAL_MEM_SIZE,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE, fd_zero, 0);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/zero");
- close(fd_zero);
- return 0;
- }
-
- mem_info.ready = 1;
- mem_info.count = 1;
- mem_info.blocks[0].size = REAL_MEM_SIZE;
- mem_info.blocks[0].free = 1;
-
- return 1;
- }
-
-
-static void
-insert_block(int i)
- {
- memmove(
- mem_info.blocks + i + 1,
- mem_info.blocks + i,
- (mem_info.count - i) * sizeof(struct mem_block));
-
- mem_info.count++;
- }
-
-static void
-delete_block(int i)
- {
- mem_info.count--;
-
- memmove(
- mem_info.blocks + i,
- mem_info.blocks + i + 1,
- (mem_info.count - i) * sizeof(struct mem_block));
- }
-
-void *
-LRMI_alloc_real(int size)
- {
- int i;
- char *r = (char *)REAL_MEM_BASE;
-
- if (!mem_info.ready)
- return NULL;
-
- if (mem_info.count == REAL_MEM_BLOCKS)
- return NULL;
-
- size = (size + 15) & ~15;
-
- for (i = 0; i < mem_info.count; i++)
- {
- if (mem_info.blocks[i].free && size < mem_info.blocks[i].size)
- {
- insert_block(i);
-
- mem_info.blocks[i].size = size;
- mem_info.blocks[i].free = 0;
- mem_info.blocks[i + 1].size -= size;
-
- return (void *)r;
- }
-
- r += mem_info.blocks[i].size;
- }
-
- return NULL;
- }
-
-
-void
-LRMI_free_real(void *m)
- {
- int i;
- char *r = (char *)REAL_MEM_BASE;
-
- if (!mem_info.ready)
- return;
-
- i = 0;
- while (m != (void *)r)
- {
- r += mem_info.blocks[i].size;
- i++;
- if (i == mem_info.count)
- return;
- }
-
- mem_info.blocks[i].free = 1;
-
- if (i + 1 < mem_info.count && mem_info.blocks[i + 1].free)
- {
- mem_info.blocks[i].size += mem_info.blocks[i + 1].size;
- delete_block(i + 1);
- }
-
- if (i - 1 >= 0 && mem_info.blocks[i - 1].free)
- {
- mem_info.blocks[i - 1].size += mem_info.blocks[i].size;
- delete_block(i);
- }
- }
-
-
-#define DEFAULT_VM86_FLAGS (IF_MASK | IOPL_MASK)
-#define DEFAULT_STACK_SIZE 0x1000
-#define RETURN_TO_32_INT 255
-
-static struct
- {
- int ready;
- unsigned short ret_seg, ret_off;
- unsigned short stack_seg, stack_off;
- struct vm86_struct vm;
- } context = { 0 };
-
-
-static inline void
-set_bit(unsigned int bit, void *array)
- {
- unsigned char *a = array;
-
- a[bit / 8] |= (1 << (bit % 8));
- }
-
-
-static inline unsigned int
-get_int_seg(int i)
- {
- return *(unsigned short *)(i * 4 + 2);
- }
-
-
-static inline unsigned int
-get_int_off(int i)
- {
- return *(unsigned short *)(i * 4);
- }
-
-
-static inline void
-pushw(unsigned short i)
- {
- struct vm86_regs *r = &context.vm.regs;
- r->esp -= 2;
- *(unsigned short *)(((unsigned int)r->ss << 4) + r->esp) = i;
- }
-
-
-int
-LRMI_init(void)
- {
- void *m;
- int fd_mem;
-
- if (context.ready)
- return 1;
-
- if (!real_mem_init())
- return 0;
-
- /*
- Map the Interrupt Vectors (0x0 - 0x400) + BIOS data (0x400 - 0x502)
- and the ROM (0xa0000 - 0x100000)
- */
- fd_mem = open("/dev/mem", O_RDWR);
-
- if (fd_mem == -1)
- {
- perror("open /dev/mem");
- return 0;
- }
-
- m = mmap((void *)0, 0x502,
- PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_FIXED | MAP_PRIVATE, fd_mem, 0);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/mem");
- return 0;
- }
-
- m = mmap((void *)0xa0000, 0x100000 - 0xa0000,
- PROT_READ | PROT_WRITE,
- MAP_FIXED | MAP_SHARED, fd_mem, 0xa0000);
-
- if (m == (void *)-1)
- {
- perror("mmap /dev/mem");
- return 0;
- }
-
-
- /*
- Allocate a stack
- */
- m = LRMI_alloc_real(DEFAULT_STACK_SIZE);
-
- context.stack_seg = (unsigned int)m >> 4;
- context.stack_off = DEFAULT_STACK_SIZE;
-
- /*
- Allocate the return to 32 bit routine
- */
- m = LRMI_alloc_real(2);
-
- context.ret_seg = (unsigned int)m >> 4;
- context.ret_off = (unsigned int)m & 0xf;
-
- ((unsigned char *)m)[0] = 0xcd; /* int opcode */
- ((unsigned char *)m)[1] = RETURN_TO_32_INT;
-
- memset(&context.vm, 0, sizeof(context.vm));
-
- /*
- Enable kernel emulation of all ints except RETURN_TO_32_INT
- */
- memset(&context.vm.int_revectored, 0, sizeof(context.vm.int_revectored));
- set_bit(RETURN_TO_32_INT, &context.vm.int_revectored);
-
- context.ready = 1;
-
- return 1;
- }
-
-
-static void
-set_regs(struct LRMI_regs *r)
- {
- context.vm.regs.edi = r->edi;
- context.vm.regs.esi = r->esi;
- context.vm.regs.ebp = r->ebp;
- context.vm.regs.ebx = r->ebx;
- context.vm.regs.edx = r->edx;
- context.vm.regs.ecx = r->ecx;
- context.vm.regs.eax = r->eax;
- context.vm.regs.eflags = DEFAULT_VM86_FLAGS;
- context.vm.regs.es = r->es;
- context.vm.regs.ds = r->ds;
- context.vm.regs.fs = r->fs;
- context.vm.regs.gs = r->gs;
- }
-
-
-static void
-get_regs(struct LRMI_regs *r)
- {
- r->edi = context.vm.regs.edi;
- r->esi = context.vm.regs.esi;
- r->ebp = context.vm.regs.ebp;
- r->ebx = context.vm.regs.ebx;
- r->edx = context.vm.regs.edx;
- r->ecx = context.vm.regs.ecx;
- r->eax = context.vm.regs.eax;
- r->flags = context.vm.regs.eflags;
- r->es = context.vm.regs.es;
- r->ds = context.vm.regs.ds;
- r->fs = context.vm.regs.fs;
- r->gs = context.vm.regs.gs;
- }
-
-#define DIRECTION_FLAG (1 << 10)
-
-static void
-em_ins(int size)
- {
- unsigned int edx, edi;
-
- edx = context.vm.regs.edx & 0xffff;
- edi = context.vm.regs.edi & 0xffff;
- edi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; insl; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else if (size == 2)
- asm volatile ("std; insw; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else
- asm volatile ("std; insb; cld"
- : "=D" (edi) : "d" (edx), "0" (edi));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; insl"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else if (size == 2)
- asm volatile ("cld; insw"
- : "=D" (edi) : "d" (edx), "0" (edi));
- else
- asm volatile ("cld; insb"
- : "=D" (edi) : "d" (edx), "0" (edi));
- }
-
- edi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.edi &= 0xffff0000;
- context.vm.regs.edi |= edi & 0xffff;
- }
-
-static void
-em_rep_ins(int size)
- {
- unsigned int ecx, edx, edi;
-
- ecx = context.vm.regs.ecx & 0xffff;
- edx = context.vm.regs.edx & 0xffff;
- edi = context.vm.regs.edi & 0xffff;
- edi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; rep; insl; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else if (size == 2)
- asm volatile ("std; rep; insw; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else
- asm volatile ("std; rep; insb; cld"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; rep; insl"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else if (size == 2)
- asm volatile ("cld; rep; insw"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- else
- asm volatile ("cld; rep; insb"
- : "=D" (edi), "=c" (ecx)
- : "d" (edx), "0" (edi), "1" (ecx));
- }
-
- edi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.edi &= 0xffff0000;
- context.vm.regs.edi |= edi & 0xffff;
-
- context.vm.regs.ecx &= 0xffff0000;
- context.vm.regs.ecx |= ecx & 0xffff;
- }
-
-static void
-em_outs(int size)
- {
- unsigned int edx, esi;
-
- edx = context.vm.regs.edx & 0xffff;
- esi = context.vm.regs.esi & 0xffff;
- esi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; outsl; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else if (size == 2)
- asm volatile ("std; outsw; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else
- asm volatile ("std; outsb; cld"
- : "=S" (esi) : "d" (edx), "0" (esi));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; outsl"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else if (size == 2)
- asm volatile ("cld; outsw"
- : "=S" (esi) : "d" (edx), "0" (esi));
- else
- asm volatile ("cld; outsb"
- : "=S" (esi) : "d" (edx), "0" (esi));
- }
-
- esi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.esi &= 0xffff0000;
- context.vm.regs.esi |= esi & 0xffff;
- }
-
-static void
-em_rep_outs(int size)
- {
- unsigned int ecx, edx, esi;
-
- ecx = context.vm.regs.ecx & 0xffff;
- edx = context.vm.regs.edx & 0xffff;
- esi = context.vm.regs.esi & 0xffff;
- esi += (unsigned int)context.vm.regs.ds << 4;
-
- if (context.vm.regs.eflags & DIRECTION_FLAG)
- {
- if (size == 4)
- asm volatile ("std; rep; outsl; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else if (size == 2)
- asm volatile ("std; rep; outsw; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else
- asm volatile ("std; rep; outsb; cld"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- }
- else
- {
- if (size == 4)
- asm volatile ("cld; rep; outsl"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else if (size == 2)
- asm volatile ("cld; rep; outsw"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- else
- asm volatile ("cld; rep; outsb"
- : "=S" (esi), "=c" (ecx)
- : "d" (edx), "0" (esi), "1" (ecx));
- }
-
- esi -= (unsigned int)context.vm.regs.ds << 4;
-
- context.vm.regs.esi &= 0xffff0000;
- context.vm.regs.esi |= esi & 0xffff;
-
- context.vm.regs.ecx &= 0xffff0000;
- context.vm.regs.ecx |= ecx & 0xffff;
- }
-
-static void
-em_inbl(unsigned char literal)
- {
- context.vm.regs.eax = inb(literal) & 0xff;
- }
-
-static void
-em_inb(void)
- {
- asm volatile ("inb (%w1), %b0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx), "0" (context.vm.regs.eax));
- }
-
-static void
-em_inw(void)
- {
- asm volatile ("inw (%w1), %w0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx), "0" (context.vm.regs.eax));
- }
-
-static void
-em_inl(void)
- {
- asm volatile ("inl (%w1), %0"
- : "=a" (context.vm.regs.eax)
- : "d" (context.vm.regs.edx));
- }
-
-static void
-em_outbl(unsigned char literal)
- {
- outb(context.vm.regs.eax & 0xff, literal);
- }
-
-static void
-em_outb(void)
- {
- asm volatile ("outb %b0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static void
-em_outw(void)
- {
- asm volatile ("outw %w0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static void
-em_outl(void)
- {
- asm volatile ("outl %0, (%w1)"
- : : "a" (context.vm.regs.eax),
- "d" (context.vm.regs.edx));
- }
-
-static int
-emulate(void)
- {
- unsigned char *insn;
- struct
- {
- unsigned int size : 1;
- unsigned int rep : 1;
- } prefix = { 0, 0 };
- int i = 0;
-
- insn = (unsigned char *)((unsigned int)context.vm.regs.cs << 4);
- insn += context.vm.regs.eip;
-
- while (1)
- {
- if (insn[i] == 0x66)
- {
- prefix.size = 1 - prefix.size;
- i++;
- }
- else if (insn[i] == 0xf3)
- {
- prefix.rep = 1;
- i++;
- }
- else if (insn[i] == 0xf0 || insn[i] == 0xf2
- || insn[i] == 0x26 || insn[i] == 0x2e
- || insn[i] == 0x36 || insn[i] == 0x3e
- || insn[i] == 0x64 || insn[i] == 0x65
- || insn[i] == 0x67)
- {
- /* these prefixes are just ignored */
- i++;
- }
- else if (insn[i] == 0x6c)
- {
- if (prefix.rep)
- em_rep_ins(1);
- else
- em_ins(1);
- i++;
- break;
- }
- else if (insn[i] == 0x6d)
- {
- if (prefix.rep)
- {
- if (prefix.size)
- em_rep_ins(4);
- else
- em_rep_ins(2);
- }
- else
- {
- if (prefix.size)
- em_ins(4);
- else
- em_ins(2);
- }
- i++;
- break;
- }
- else if (insn[i] == 0x6e)
- {
- if (prefix.rep)
- em_rep_outs(1);
- else
- em_outs(1);
- i++;
- break;
- }
- else if (insn[i] == 0x6f)
- {
- if (prefix.rep)
- {
- if (prefix.size)
- em_rep_outs(4);
- else
- em_rep_outs(2);
- }
- else
- {
- if (prefix.size)
- em_outs(4);
- else
- em_outs(2);
- }
- i++;
- break;
- }
- else if (insn[i] == 0xe4)
- {
- em_inbl(insn[i + 1]);
- i += 2;
- break;
- }
- else if (insn[i] == 0xe6)
- {
- em_outbl(insn[i + 1]);
- i += 2;
- break;
- }
- else if (insn[i] == 0xec)
- {
- em_inb();
- i++;
- break;
- }
- else if (insn[i] == 0xed)
- {
- if (prefix.size)
- em_inl();
- else
- em_inw();
- i++;
- break;
- }
- else if (insn[i] == 0xee)
- {
- em_outb();
- i++;
- break;
- }
- else if (insn[i] == 0xef)
- {
- if (prefix.size)
- em_outl();
- else
- em_outw();
-
- i++;
- break;
- }
- else
- return 0;
- }
-
- context.vm.regs.eip += i;
- return 1;
- }
-
-
-/*
- I don't know how to make sure I get the right vm86() from libc.
- The one I want is syscall # 113 (vm86old() in libc 5, vm86() in glibc)
- which should be declared as "int vm86(struct vm86_struct *);" in
- <sys/vm86.h>.
-
- This just does syscall 113 with inline asm, which should work
- for both libc's (I hope).
-*/
-#if !defined(USE_LIBC_VM86)
-static int
-lrmi_vm86(struct vm86_struct *vm)
- {
- int r;
-#ifdef __PIC__
- asm volatile (
- "pushl %%ebx\n\t"
- "movl %2, %%ebx\n\t"
- "int $0x80\n\t"
- "popl %%ebx"
- : "=a" (r)
- : "0" (113), "r" (vm));
-#else
- asm volatile (
- "int $0x80"
- : "=a" (r)
- : "0" (113), "b" (vm));
-#endif
- return r;
- }
-#else
-#define lrmi_vm86 vm86
-#endif
-
-
-static void
-debug_info(int vret)
- {
- int i;
- unsigned char *p;
-
- fputs("vm86() failed\n", stderr);
- fprintf(stderr, "return = 0x%x\n", vret);
- fprintf(stderr, "eax = 0x%08lx\n", context.vm.regs.eax);
- fprintf(stderr, "ebx = 0x%08lx\n", context.vm.regs.ebx);
- fprintf(stderr, "ecx = 0x%08lx\n", context.vm.regs.ecx);
- fprintf(stderr, "edx = 0x%08lx\n", context.vm.regs.edx);
- fprintf(stderr, "esi = 0x%08lx\n", context.vm.regs.esi);
- fprintf(stderr, "edi = 0x%08lx\n", context.vm.regs.edi);
- fprintf(stderr, "ebp = 0x%08lx\n", context.vm.regs.ebp);
- fprintf(stderr, "eip = 0x%08lx\n", context.vm.regs.eip);
- fprintf(stderr, "cs = 0x%04x\n", context.vm.regs.cs);
- fprintf(stderr, "esp = 0x%08lx\n", context.vm.regs.esp);
- fprintf(stderr, "ss = 0x%04x\n", context.vm.regs.ss);
- fprintf(stderr, "ds = 0x%04x\n", context.vm.regs.ds);
- fprintf(stderr, "es = 0x%04x\n", context.vm.regs.es);
- fprintf(stderr, "fs = 0x%04x\n", context.vm.regs.fs);
- fprintf(stderr, "gs = 0x%04x\n", context.vm.regs.gs);
- fprintf(stderr, "eflags = 0x%08lx\n", context.vm.regs.eflags);
-
- fputs("cs:ip = [ ", stderr);
-
- p = (unsigned char *)((context.vm.regs.cs << 4) + (context.vm.regs.eip & 0xffff));
-
- for (i = 0; i < 16; ++i)
- fprintf(stderr, "%02x ", (unsigned int)p[i]);
-
- fputs("]\n", stderr);
- }
-
-
-static int
-run_vm86(void)
- {
- unsigned int vret;
-
- while (1)
- {
- vret = lrmi_vm86(&context.vm);
-
- if (VM86_TYPE(vret) == VM86_INTx)
- {
- unsigned int v = VM86_ARG(vret);
-
- if (v == RETURN_TO_32_INT)
- return 1;
-
- pushw(context.vm.regs.eflags);
- pushw(context.vm.regs.cs);
- pushw(context.vm.regs.eip);
-
- context.vm.regs.cs = get_int_seg(v);
- context.vm.regs.eip = get_int_off(v);
- context.vm.regs.eflags &= ~(VIF_MASK | TF_MASK);
-
- continue;
- }
-
- if (VM86_TYPE(vret) != VM86_UNKNOWN)
- break;
-
- if (!emulate())
- break;
- }
-
-#ifdef ORIGINAL_LRMI_CODE_THAT_GOT_IFDEFED_OUT
- debug_info(vret);
-#endif
- return 0;
- }
-
-
-int
-LRMI_call(struct LRMI_regs *r)
- {
- unsigned int vret;
-
- memset(&context.vm.regs, 0, sizeof(context.vm.regs));
-
- set_regs(r);
-
- context.vm.regs.cs = r->cs;
- context.vm.regs.eip = r->ip;
-
- if (r->ss == 0 && r->sp == 0)
- {
- context.vm.regs.ss = context.stack_seg;
- context.vm.regs.esp = context.stack_off;
- }
- else
- {
- context.vm.regs.ss = r->ss;
- context.vm.regs.esp = r->sp;
- }
-
- pushw(context.ret_seg);
- pushw(context.ret_off);
-
- vret = run_vm86();
-
- get_regs(r);
-
- return vret;
- }
-
-
-int
-LRMI_int(int i, struct LRMI_regs *r)
- {
- unsigned int vret;
- unsigned int seg, off;
-
- seg = get_int_seg(i);
- off = get_int_off(i);
-
- /*
- If the interrupt is in regular memory, it's probably
- still pointing at a dos TSR (which is now gone).
- */
- if (seg < 0xa000 || (seg << 4) + off >= 0x100000)
- {
-#ifdef ORIGINAL_LRMI_CODE_THAT_GOT_IFDEFED_OUT
- fprintf(stderr, "Int 0x%x is not in rom (%04x:%04x)\n", i, seg, off);
-#endif
- return 0;
- }
-
- memset(&context.vm.regs, 0, sizeof(context.vm.regs));
-
- set_regs(r);
-
- context.vm.regs.cs = seg;
- context.vm.regs.eip = off;
-
- if (r->ss == 0 && r->sp == 0)
- {
- context.vm.regs.ss = context.stack_seg;
- context.vm.regs.esp = context.stack_off;
- }
- else
- {
- context.vm.regs.ss = r->ss;
- context.vm.regs.esp = r->sp;
- }
-
- pushw(DEFAULT_VM86_FLAGS);
- pushw(context.ret_seg);
- pushw(context.ret_off);
-
- vret = run_vm86();
-
- get_regs(r);
-
- return vret;
- }
-
diff --git a/edd/lrmi.h b/edd/lrmi.h
deleted file mode 100644
index c9c186365..000000000
--- a/edd/lrmi.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
-Linux Real Mode Interface - A library of DPMI-like functions for Linux.
-
-Copyright (C) 1998 by Josh Vanderhoof
-
-You are free to distribute and modify this file, as long as you
-do not remove this copyright notice and clearly label modified
-versions as being modified.
-
-This software has NO WARRANTY. Use it at your own risk.
-*/
-
-#ifndef LRMI_H
-#define LRMI_H
-
-struct LRMI_regs
- {
- unsigned int edi;
- unsigned int esi;
- unsigned int ebp;
- unsigned int reserved;
- unsigned int ebx;
- unsigned int edx;
- unsigned int ecx;
- unsigned int eax;
- unsigned short int flags;
- unsigned short int es;
- unsigned short int ds;
- unsigned short int fs;
- unsigned short int gs;
- unsigned short int ip;
- unsigned short int cs;
- unsigned short int sp;
- unsigned short int ss;
- };
-
-
-#ifndef LRMI_PREFIX
-#define LRMI_PREFIX LRMI_
-#endif
-
-#define LRMI_CONCAT2(a, b) a ## b
-#define LRMI_CONCAT(a, b) LRMI_CONCAT2(a, b)
-#define LRMI_MAKENAME(a) LRMI_CONCAT(LRMI_PREFIX, a)
-
-/*
- Initialize
- returns 1 if sucessful, 0 for failure
-*/
-#define LRMI_init LRMI_MAKENAME(init)
-int
-LRMI_init(void);
-
-/*
- Simulate a 16 bit far call
- returns 1 if sucessful, 0 for failure
-*/
-#define LRMI_call LRMI_MAKENAME(call)
-int
-LRMI_call(struct LRMI_regs *r);
-
-/*
- Simulate a 16 bit interrupt
- returns 1 if sucessful, 0 for failure
-*/
-#define LRMI_int LRMI_MAKENAME(int)
-int
-LRMI_int(int interrupt, struct LRMI_regs *r);
-
-/*
- Allocate real mode memory
- The returned block is paragraph (16 byte) aligned
-*/
-#define LRMI_alloc_real LRMI_MAKENAME(alloc_real)
-void *
-LRMI_alloc_real(int size);
-
-/*
- Free real mode memory
-*/
-#define LRMI_free_real LRMI_MAKENAME(free_real)
-void
-LRMI_free_real(void *m);
-
-#endif
diff --git a/edd/pyedd.c b/edd/pyedd.c
deleted file mode 100644
index 75aa98854..000000000
--- a/edd/pyedd.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * pyedd.c - real mode bios library for discovering EDD capabilities of
- * BIOS drives
- *
- * Matt Wilson <msw@redhat.com>
- *
- * Copyright 2000 Red Hat, Inc.
- *
- * This software may be freely redistributed under the terms of the GNU
- * library public license.
- *
- * You should have received a copy of the GNU Library Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include "edd.h"
-
-#include <sys/wait.h>
-#include <sys/resource.h>
-#include <unistd.h>
-
-#include <Python.h>
-
-static PyObject * edd_py_detect (PyObject * s, PyObject * args);
-
-static PyMethodDef edd_module_methods[] = {
- { "detect", (PyCFunction) edd_py_detect, METH_VARARGS, NULL },
- { NULL }
-};
-
-static PyObject *
-edd_py_detect (PyObject * s, PyObject * args) {
- EDDCapability *ec;
- int device = 0x80;
- pid_t childpid;
- int status;
-
- if (!PyArg_ParseTuple(args, "|i", &device))
- return NULL;
-
- /* Run this probe as a child as it sometimes segv's in the vm stuff.
- The child returns 1 if edd works, and 0 if it doesn't. */
-
- if (!(childpid = fork())) {
- /* lets not drop core file if we do segv */
- struct rlimit lims;
-
- lims.rlim_cur = 0;
- setrlimit(RLIMIT_CORE, &lims);
-
- if ((ec = edd_supported(device))) {
- free (ec);
- _exit(1);
- }
-
- _exit(0);
- }
-
- waitpid(childpid, &status, 0);
-
- if (WIFEXITED(status) && WEXITSTATUS(status))
- return Py_BuildValue ("i", 1);
-
- return Py_BuildValue ("i", 0);
-}
-
-void initedd (void) {
- Py_InitModule("edd", edd_module_methods);
-}