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+
+
+Unicorn-Engine MSVC Native Port Notes
+
+These notes are to help myself and others with the upkeep of the msvc native port
+of unicorn-engine.
+
+
+:: CPU specific libraries
+
+The gnu/gcc way of building the qemu portion of unicorn-engine involves makefile magic
+that builds the same set of sourcecode files multiple times. They are built once for each
+supported CPU type and force "#include" a CPU specific header file to re-"#define"
+function and variable names that would otherwise be the same for each build.
+These multiple builds of the same files are then all linked together to form
+the unicorn library.
+
+As an example when building for "x86_64" cpu type the generated header file "x86_64.h"
+is force included and it contains a bunch of defines such as:
+	#define phys_mem_clean     phys_mem_clean_x86_64
+So you can see that it adds the cpu type on to the end of each name in order
+to keep the names unique over the multiple builds.
+
+The way I handle this in MSVC is to build a seperate cpu specific library, containing
+this set of repeatedly used sourcecode files, for each supported cpu type.
+These cpu specific libraries are then linked together to build the unicorn library.
+
+
+For each supported CPU type
+
+* Each CPU specific lib has a "forced include" file specified at:
+	Configuration Properties -> C/C++ -> Advanced -> Forced Include File
+	so for x86-64 this is "the file "x86_64.h" which is a generated file.
+
+
+
+* cpu specific config
+there is a "config-target.h" inside each ???-softmmu dir.
+there is a "config-target.h-timestamp" inside each ???-softmmu dir.
+"config-target.h" is only included in "qemu/include/config.h".
+
+"config-target.mak" looks like target specific makefile stuff. (very simple)
+"qemu/configure" appears to generate these
+"qemu/Makefile.target" appears to be used as the template for "qemu/????-softmmu/Makefile"
+
+
+
+
+* are the following files required? it looks like they might be used by target specific stuff:
+	gen_all_header.sh	(not called)
+	header_gen.py		(can be called by Makefile in unicorn root, but is it ever called)
+	qemu/aarch64.h
+	qemu/arm.h
+	qemu/m68k.h
+	qemu/mips.h
+	qemu/mipsel.h
+	qemu/mips64.h
+	qemu/mips64el.h
+	qemu/sparc.h
+	qemu/sparc64.h
+	qemu/x86_64.h
+
+
+
+
+might have to make intermediate libs, one or each target
+
+* make intermediate libs for every ???-softmmu.
+
+* each intermediate lib has makefiles:
+	qemu/x86_64-softmmu/Makefile
+	qemu/config-host.mak
+	qemu/x86_64-softmmu/config-target.mak
+	qemu/x86_64-softmmu/config-devices.mak
+	qemu/Makefile.objs
+
+
+QEMU_INCLUDES=-I$(SRC_PATH)/tcg -I$(SRC_PATH)/tcg/$(ARCH) -I. -I$(SRC_PATH) -I$(SRC_PATH)/include
+QEMU_CFLAGS=-m32 -D__USE_MINGW_ANSI_STDIO=1 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -DUNICORN_HAS_X86 -DUNICORN_HAS_ARM -DUNICORN_HAS_M68K -DUNICORN_HAS_ARM64 -DUNICORN_HAS_MIPS -DUNICORN_HAS_MIPSEL -DUNICORN_HAS_MIPS64 -DUNICORN_HAS_MIPS64EL -DUNICORN_HAS_SPARC -fPIC 
+QEMU_CFLAGS += -I.. -I$(SRC_PATH)/target-$(TARGET_BASE_ARCH) -DNEED_CPU_H
+QEMU_CFLAGS+=-I$(SRC_PATH)/include
+QEMU_CFLAGS+=-include x86_64.h
+
+	includes
+-I$(SRC_PATH)/tcg
+-I$(SRC_PATH)/tcg/$(ARCH)
+-I.
+-I$(SRC_PATH)
+-I$(SRC_PATH)/include
+-I..
+-I$(SRC_PATH)/target-$(TARGET_BASE_ARCH)
+-I$(SRC_PATH)/include
+-include x86_64.h
+
+	defines
+-D__USE_MINGW_ANSI_STDIO=1
+-DWIN32_LEAN_AND_MEAN
+-DWINVER=0x501
+-D_GNU_SOURCE
+-D_FILE_OFFSET_BITS=64
+-D_LARGEFILE_SOURCE
+-DNEED_CPU_H
+-DUNICORN_HAS_X86
+-DUNICORN_HAS_ARM
+-DUNICORN_HAS_M68K
+-DUNICORN_HAS_ARM64
+-DUNICORN_HAS_MIPS
+-DUNICORN_HAS_MIPSEL
+-DUNICORN_HAS_MIPS64
+-DUNICORN_HAS_MIPS64EL
+-DUNICORN_HAS_SPARC
+
+
+	qemu/config-host.mak
+		extra_cflags=-m32 -DUNICORN_HAS_X86 -DUNICORN_HAS_ARM -DUNICORN_HAS_M68K -DUNICORN_HAS_ARM64 -DUNICORN_HAS_MIPS -DUNICORN_HAS_MIPSEL -DUNICORN_HAS_MIPS64 -DUNICORN_HAS_MIPS64EL -DUNICORN_HAS_SPARC -fPIC
+		extra_ldflags=
+		libs_softmmu=
+		ARCH=i386
+		CONFIG_WIN32=y
+		CONFIG_FILEVERSION=2,2,1,0
+		CONFIG_PRODUCTVERSION=2,2,1,0
+		VERSION=2.2.1
+		PKGVERSION=
+		SRC_PATH=/f/GitHub/unicorn/qemu
+		TARGET_DIRS=x86_64-softmmu  arm-softmmu  m68k-softmmu  aarch64-softmmu  mips-softmmu  mipsel-softmmu  mips64-softmmu  mips64el-softmmu  sparc-softmmu sparc64-softmmu 
+		GLIB_CFLAGS=-pthread -mms-bitfields -IC:/msys64/mingw32/include/glib-2.0 -IC:/msys64/mingw32/lib/glib-2.0/include
+		CONFIG_ZERO_MALLOC=y
+		CONFIG_CPUID_H=y
+		CONFIG_THREAD_SETNAME_BYTHREAD=y
+		CONFIG_PTHREAD_SETNAME_NP=y
+		CFLAGS=-pthread -mms-bitfields -IC:/msys64/mingw32/include/glib-2.0 -IC:/msys64/mingw32/lib/glib-2.0/include -g 
+		
+		QEMU_CFLAGS=-m32 -D__USE_MINGW_ANSI_STDIO=1 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -DUNICORN_HAS_X86 -DUNICORN_HAS_ARM -DUNICORN_HAS_M68K -DUNICORN_HAS_ARM64 -DUNICORN_HAS_MIPS -DUNICORN_HAS_MIPSEL -DUNICORN_HAS_MIPS64 -DUNICORN_HAS_MIPS64EL -DUNICORN_HAS_SPARC -fPIC 
+		QEMU_INCLUDES=-I$(SRC_PATH)/tcg -I$(SRC_PATH)/tcg/$(ARCH) -I. -I$(SRC_PATH) -I$(SRC_PATH)/include
+		LDFLAGS=-Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase -Wl,--warn-common -m32 -g 
+		LIBS+=-LC:/msys64/mingw32/lib -lgthread-2.0 -pthread -lglib-2.0 -lintl -lwinmm -lws2_32 -liphlpapi  -lz
+	
+	
+	qemu/x86_64-softmmu/Makefile
+		QEMU_CFLAGS += -I.. -I$(SRC_PATH)/target-$(TARGET_BASE_ARCH) -DNEED_CPU_H
+		QEMU_CFLAGS+=-I$(SRC_PATH)/include
+
+
+	qemu/x86_64-softmmu/config-target.mak
+		TARGET_X86_64=y
+		TARGET_NAME=x86_64
+		TARGET_BASE_ARCH=i386
+		TARGET_ABI_DIR=x86_64
+		CONFIG_SOFTMMU=y
+		LDFLAGS+=
+		QEMU_CFLAGS+=
+		QEMU_CFLAGS+=-include x86_64.h
+
+	
+	qemu/x86_64-softmmu/config-devices.mak
+		CONFIG_VGA=y
+		CONFIG_QXL=$(CONFIG_SPICE)
+		CONFIG_VGA_PCI=y
+		CONFIG_VGA_ISA=y
+		CONFIG_VGA_CIRRUS=y
+		CONFIG_VMWARE_VGA=y
+		CONFIG_VMMOUSE=y
+		CONFIG_SERIAL=y
+		CONFIG_PARALLEL=y
+		CONFIG_I8254=y
+		CONFIG_PCSPK=y
+		CONFIG_PCKBD=y
+		CONFIG_FDC=y
+		CONFIG_ACPI=y
+		CONFIG_APM=y
+		CONFIG_I8257=y
+		CONFIG_IDE_ISA=y
+		CONFIG_IDE_PIIX=y
+		CONFIG_NE2000_ISA=y
+		CONFIG_PIIX_PCI=y
+		CONFIG_HPET=y
+		CONFIG_APPLESMC=y
+		CONFIG_I8259=y
+		CONFIG_PFLASH_CFI01=y
+		CONFIG_TPM_TIS=$(CONFIG_TPM)
+		CONFIG_PCI_HOTPLUG_OLD=y
+		CONFIG_MC146818RTC=y
+		CONFIG_PAM=y
+		CONFIG_PCI_PIIX=y
+		CONFIG_WDT_IB700=y
+		CONFIG_XEN_I386=$(CONFIG_XEN)
+		CONFIG_ISA_DEBUG=y
+		CONFIG_ISA_TESTDEV=y
+		CONFIG_VMPORT=y
+		CONFIG_SGA=y
+		CONFIG_LPC_ICH9=y
+		CONFIG_PCI_Q35=y
+		CONFIG_APIC=y
+		CONFIG_IOAPIC=y
+		CONFIG_ICC_BUS=y
+		CONFIG_PVPANIC=y
+		CONFIG_MEM_HOTPLUG=y
+		CONFIG_PCI=y
+		CONFIG_VIRTIO_PCI=y
+		CONFIG_VIRTIO=y
+		CONFIG_USB_UHCI=y
+		CONFIG_USB_OHCI=y
+		CONFIG_USB_EHCI=y
+		CONFIG_USB_XHCI=y
+		CONFIG_NE2000_PCI=y
+		CONFIG_EEPRO100_PCI=y
+		CONFIG_PCNET_PCI=y
+		CONFIG_PCNET_COMMON=y
+		CONFIG_AC97=y
+		CONFIG_HDA=y
+		CONFIG_ES1370=y
+		CONFIG_LSI_SCSI_PCI=y
+		CONFIG_VMW_PVSCSI_SCSI_PCI=y
+		CONFIG_MEGASAS_SCSI_PCI=y
+		CONFIG_RTL8139_PCI=y
+		CONFIG_E1000_PCI=y
+		CONFIG_VMXNET3_PCI=y
+		CONFIG_IDE_CORE=y
+		CONFIG_IDE_QDEV=y
+		CONFIG_IDE_PCI=y
+		CONFIG_AHCI=y
+		CONFIG_ESP=y
+		CONFIG_ESP_PCI=y
+		CONFIG_SERIAL=y
+		CONFIG_SERIAL_PCI=y
+		CONFIG_IPACK=y
+		CONFIG_WDT_IB6300ESB=y
+		CONFIG_PCI_TESTDEV=y
+		CONFIG_NVME_PCI=y
+		CONFIG_SB16=y
+		CONFIG_ADLIB=y
+		CONFIG_GUS=y
+		CONFIG_CS4231A=y
+		CONFIG_USB_TABLET_WACOM=y
+		CONFIG_USB_STORAGE_BOT=y
+		CONFIG_USB_STORAGE_UAS=y
+		CONFIG_USB_STORAGE_MTP=y
+		CONFIG_USB_SMARTCARD=y
+		CONFIG_USB_AUDIO=y
+		CONFIG_USB_SERIAL=y
+		CONFIG_USB_NETWORK=y
+		CONFIG_USB_BLUETOOTH=y
+
+
+
+
+
+
+
+
+compiler.h is in "qemu/include/qemu/compiler.h"
+it includes "config-host.h"
+
+config.h is in "qemu/include/config.h"
+it includes "config-host.h"
+
+config-host.h is bindings/msvc_native/config-host.h
+
+
+
+
+
+:: Other things
+
+* GNU seems to rely on __i386__ or __x86_64__ defined if the host is 32bit or 64bit respectively.