From 0b0a501c659bd2ea8bc1a771eaaeb484e185d3ba Mon Sep 17 00:00:00 2001
From: "termux-actions[bot]" <termux-actions[bot]@users.noreply.github.com>
Date: Wed, 20 Apr 2022 11:07:03 +0000
Subject: [PATCH] root-packages/libx86emu

---
 root-packages/libx86emu/Makefile.patch | 43 ++++++++++++++
 root-packages/libx86emu/build.sh       | 17 ++++++
 root-packages/libx86emu/mem.c.patch    | 81 ++++++++++++++++++++++++++
 3 files changed, 141 insertions(+)
 create mode 100644 root-packages/libx86emu/Makefile.patch
 create mode 100644 root-packages/libx86emu/build.sh
 create mode 100644 root-packages/libx86emu/mem.c.patch

diff --git a/root-packages/libx86emu/Makefile.patch b/root-packages/libx86emu/Makefile.patch
new file mode 100644
index 0000000000..050ab34855
--- /dev/null
+++ b/root-packages/libx86emu/Makefile.patch
@@ -0,0 +1,43 @@
+diff -uNr libx86emu-3.1/Makefile libx86emu-3.1.mod/Makefile
+--- libx86emu-3.1/Makefile	2020-01-28 16:19:00.000000000 +0200
++++ libx86emu-3.1.mod/Makefile	2020-03-20 15:57:59.975825961 +0200
+@@ -11,18 +11,18 @@
+ 
+ MAJOR_VERSION := $(shell $(GIT2LOG) --version VERSION ; cut -d . -f 1 VERSION)
+ 
+-CC	= gcc
+-CFLAGS	= -g -O2 -fPIC -fvisibility=hidden -fomit-frame-pointer -Wall
++CC	?= gcc
++CFLAGS	+= -g -O2 -fPIC -fvisibility=hidden -fomit-frame-pointer -Wall $(CPPFLAGS)
+ LDFLAGS =
+ 
+-LIBDIR = /usr/lib$(shell ldd /bin/sh | grep -q /lib64/ && echo 64)
++LIBDIR = @TERMUX_PREFIX@/lib
+ LIBX86	= libx86emu
+ 
+ CFILES	= $(wildcard *.c)
+ OBJS	= $(CFILES:.c=.o)
+ 
+-LIB_NAME	= $(LIBX86).so.$(VERSION)
+-LIB_SONAME	= $(LIBX86).so.$(MAJOR_VERSION)
++LIB_NAME	= $(LIBX86).so
++LIB_SONAME	= $(LIBX86).so
+ 
+ .PHONY: all shared install test demo clean
+ 
+@@ -38,14 +38,10 @@
+ 
+ install: shared
+ 	install -D $(LIB_NAME) $(DESTDIR)$(LIBDIR)/$(LIB_NAME)
+-	ln -snf $(LIB_NAME) $(DESTDIR)$(LIBDIR)/$(LIB_SONAME)
+-	ln -snf $(LIB_SONAME) $(DESTDIR)$(LIBDIR)/$(LIBX86).so
+-	install -m 644 -D include/x86emu.h $(DESTDIR)/usr/include/x86emu.h
++	install -m 644 -D include/x86emu.h $(DESTDIR)/@TERMUX_PREFIX@/include/x86emu.h
+ 
+ $(LIB_NAME): .depend $(OBJS)
+ 	$(CC) -shared -Wl,-soname,$(LIB_SONAME) $(OBJS) -o $(LIB_NAME) $(LDFLAGS)
+-	@ln -snf $(LIB_NAME) $(LIB_SONAME)
+-	@ln -snf $(LIB_SONAME) $(LIBX86).so
+ 
+ test:
+ 	make -C test
diff --git a/root-packages/libx86emu/build.sh b/root-packages/libx86emu/build.sh
new file mode 100644
index 0000000000..d40e55a0d6
--- /dev/null
+++ b/root-packages/libx86emu/build.sh
@@ -0,0 +1,17 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/wfeldt/libx86emu
+TERMUX_PKG_DESCRIPTION="x86 emulation library"
+# License: HPND
+TERMUX_PKG_LICENSE="custom"
+TERMUX_PKG_LICENSE_FILE="LICENSE, LICENSE_INFO"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=3.1
+TERMUX_PKG_REVISION=3
+TERMUX_PKG_SRCURL=https://github.com/wfeldt/libx86emu/archive/$TERMUX_PKG_VERSION.tar.gz
+TERMUX_PKG_SHA256=70b574ed84dcba2dc4f54a9a1c14539e84ddbe628842c638a2f98d987d879dac
+TERMUX_PKG_BREAKS="libx86emu-dev"
+TERMUX_PKG_REPLACES="libx86emu-dev"
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_configure() {
+	echo 'touch changelog' > git2log
+}
diff --git a/root-packages/libx86emu/mem.c.patch b/root-packages/libx86emu/mem.c.patch
new file mode 100644
index 0000000000..3391f23697
--- /dev/null
+++ b/root-packages/libx86emu/mem.c.patch
@@ -0,0 +1,81 @@
+Not sure if this will work properly...
+
+diff -uNr libx86emu-2.3/mem.c libx86emu-2.3.mod/mem.c
+--- libx86emu-2.3/mem.c	2019-04-24 09:37:42.000000000 +0300
++++ libx86emu-2.3.mod/mem.c	2019-06-26 13:09:22.557277079 +0300
+@@ -33,9 +33,6 @@
+ 
+ 
+ #include "include/x86emu_int.h"
+-#if defined(__i386__) || defined (__x86_64__)
+-#include <sys/io.h>
+-#endif
+ 
+ #define PERM16(a)	((a) + ((a) << 8))
+ #define PERM32(a)	(PERM16(a) + (PERM16(a) << 16))
+@@ -186,9 +183,9 @@
+ 
+   emu->io.iopl_needed = (perm & (X86EMU_PERM_R | X86EMU_PERM_W)) ? 1 : 0;
+ 
+-#if WITH_IOPL 
++#if WITH_IOPL
+   emu->io.iopl_ok = emu->io.iopl_needed && getiopl() != 3 ? 0 : 1;
+-#else 
++#else
+   emu->io.iopl_ok = 1;
+ #endif
+ }
+@@ -578,7 +575,7 @@
+ 
+     emu->io.stats_i[addr]++;
+ 
+-    return inb(addr);
++    return *((volatile unsigned char *)(addr));
+   }
+   else {
+     *perm |= X86EMU_ACC_INVALID;
+@@ -616,7 +613,7 @@
+   emu->io.stats_i[addr]++;
+   emu->io.stats_i[addr + 1]++;
+ 
+-  return inw(addr);
++  return *((volatile unsigned short *)(addr));
+ }
+ 
+ 
+@@ -654,7 +651,7 @@
+   emu->io.stats_i[addr + 2]++;
+   emu->io.stats_i[addr + 3]++;
+ 
+-  return inl(addr);
++  return *((volatile unsigned long *)(addr));
+ }
+ 
+ 
+@@ -673,7 +670,7 @@
+ 
+     emu->io.stats_o[addr]++;
+ 
+-    outb(val, addr);
++    *((volatile unsigned char *)(addr)) = val;
+   }
+   else {
+     *perm |= X86EMU_ACC_INVALID;
+@@ -708,7 +705,7 @@
+   emu->io.stats_o[addr]++;
+   emu->io.stats_o[addr + 1]++;
+ 
+-  outw(val, addr);
++  *((volatile unsigned short *)(addr)) = val;
+ }
+ 
+ 
+@@ -745,7 +742,7 @@
+   emu->io.stats_o[addr + 2]++;
+   emu->io.stats_o[addr + 3]++;
+ 
+-  outl(val, addr);
++  *((volatile unsigned long *)(addr)) = val;
+ }
+ 
+