Changes for ARM64

Author: fergofrog

EXTERNAL_HEADERS/Makefile

@@ -38,7 +38,7 @@ INSTALL_MI_LIST =
 
 INSTALL_MI_DIR = .
 
-INSTALL_KF_MI_LIST = ${KERNEL_FILES}
+INSTALL_KF_MI_LIST = ${EXPORT_FILES} ${KERNEL_FILES}
 
 INSTALL_KF_MI_LCL_LIST = ${KERNEL_FILES}
 

SETUP/kextsymboltool/kextsymboltool.c

@@ -474,6 +474,7 @@ lookup_arch(const char *archstring)
 	static const NXArchInfo archlist[] = {
 		{ "x86_64", 0x01000007 /* CPU_TYPE_X86_64 */, 3 /* CPU_SUBTYPE_X86_64_ALL */, NX_LittleEndian, NULL },
 		{ "x86_64h", 0x01000007 /* CPU_TYPE_X86_64 */, 8 /* CPU_SUBTYPE_X86_64_H */, NX_LittleEndian, NULL },
+		{ "arm64", 0x0100000c /* CPU_TYPE_ARM64 */, 0 /* CPU_SUBTYPE_ARM64_ALL */, NX_LittleEndian, NULL },
 	};
 	unsigned long i;
 

bsd/dev/arm/kern_machdep.c

@@ -68,9 +68,7 @@ grade_binary(cpu_type_t exectype, cpu_subtype_t execsubtype)
 				return 8;
 			}
 			break;
-
-
-		break;
+		}
 #else /* __arm64__ */
 
 	case CPU_TYPE_ARM:

libkern/conf/files.arm64

@@ -0,0 +1 @@
+

makedefs/MakeInc.cmd

@@ -123,12 +123,12 @@ SUPPORTED_SIMULATOR_PLATFORMS := iPhoneSimulator iPhoneNanoSimulator tvSimulator
 SUPPORTED_PLATFORMS := MacOSX $(SUPPORTED_SIMULATOR_PLATFORMS) $(SUPPORTED_EMBEDDED_PLATFORMS)
 
 # Platform-specific tools
-ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
-ifeq ($(EMBEDDED_DEVICE_MAP),)
-	export EMBEDDED_DEVICE_MAP := $(shell $(XCRUN) -sdk $(SDKROOT) -find embedded_device_map)
-endif
-EDM_DBPATH ?= $(PLATFORMPATH)/usr/local/standalone/firmware/device_map.db
-endif
+#ifneq ($(filter $(SUPPORTED_EMBEDDED_PLATFORMS),$(PLATFORM)),)
+#ifeq ($(EMBEDDED_DEVICE_MAP),)
+#	export EMBEDDED_DEVICE_MAP := $(shell $(XCRUN) -sdk $(SDKROOT) -find embedded_device_map)
+#endif
+#EDM_DBPATH ?= $(PLATFORMPATH)/usr/local/standalone/firmware/device_map.db
+#endif
 
 # Scripts or tools we build ourselves
 #

makedefs/MakeInc.def

@@ -9,7 +9,7 @@
 #
 # Architecture Configuration options
 #
-SUPPORTED_ARCH_CONFIGS := X86_64 X86_64H
+SUPPORTED_ARCH_CONFIGS := X86_64 X86_64H ARM64
 
 #
 # Kernel Configuration options
@@ -22,6 +22,7 @@ SUPPORTED_KERNEL_CONFIGS = RELEASE DEVELOPMENT DEBUG PROFILE KASAN
 
 SUPPORTED_X86_64_MACHINE_CONFIGS = NONE
 SUPPORTED_X86_64H_MACHINE_CONFIGS = NONE
+SUPPORTED_ARM64_MACHINE_CONFIGS = NONE
 
 
 #
@@ -149,7 +150,8 @@ WARNFLAGS_STD := \
 	-Wno-used-but-marked-unused \
 	-Wno-variadic-macros \
 	-Wno-vla \
-	-Wno-zero-length-array
+	-Wno-zero-length-array \
+	-Wno-zero-as-null-pointer-constant
 
 CWARNFLAGS_STD = \
 	$(WARNFLAGS_STD) \
@@ -188,7 +190,7 @@ endef
 
 ARCH_FLAGS_X86_64	  = -arch x86_64
 ARCH_FLAGS_X86_64H	  = -arch x86_64h
-
+ARCH_FLAGS_ARM64	  = -arch arm64
 
 
 #
@@ -228,6 +230,8 @@ CFLAGS_X86_64	= -Dx86_64 -DX86_64 -D__X86_64__ -DLP64 \
 
 CFLAGS_X86_64H = $(CFLAGS_X86_64)
 
+CFLAGS_ARM64	= -Darm64 -DARM64 -D__arm64__ -D__ARM64__ -DLP64 \
+		  -DCONFIG_EMBEDDED -mkernel -DARM64_BOARD_CONFIG_T8011=1
 
 CFLAGS_RELEASEX86_64 = -O2
 CFLAGS_DEVELOPMENTX86_64 = -O2
@@ -248,6 +252,12 @@ CFLAGS_DEVELOPMENTARM = -O2
 CFLAGS_DEBUGARM = -O0
 CFLAGS_PROFILEARM = -O2
 
+CFLAGS_RELEASEARM64 = -O2
+CFLAGS_DEVELOPMENTARM64 = -O2
+CFLAGS_KASANARM64 = $(CFLAGS_DEVELOPMENTARM64)
+# No space optimization for the DEBUG kernel for the benefit of gdb:
+CFLAGS_DEBUGARM64 = -O0
+CFLAGS_PROFILEARM64 = -O2
 
 
 #
@@ -264,6 +274,7 @@ ifeq ($(KASAN),1)
 BUILD_LTO = 0
 KASAN_SHIFT_X86_64=0xdffffe1000000000
 KASAN_SHIFT_X86_64H=$(KASAN_SHIFT_X86_64)
+KASAN_SHIFT_ARM64=$(KASAN_SHIFT_ARM64)
 KASAN_SHIFT=$($(addsuffix $(CURRENT_ARCH_CONFIG),KASAN_SHIFT_))
 KASAN_BLACKLIST=$(OBJROOT)/san/kasan-blacklist-$(CURRENT_ARCH_CONFIG_LC)
 CFLAGS_GEN += -DKASAN=1 -DKASAN_SHIFT=$(KASAN_SHIFT) -fsanitize=address \
@@ -314,6 +325,7 @@ SFLAGS_PROFILE	=
 
 SFLAGS_X86_64	= $(CFLAGS_X86_64)
 SFLAGS_X86_64H	= $(CFLAGS_X86_64H)
+SFLAGS_ARM64	= $(CFLAGS_ARM64)
 
 SFLAGS	= $(SFLAGS_GEN) \
 		  $($(addsuffix $(CURRENT_MACHINE_CONFIG),MACHINE_FLAGS_$(CURRENT_ARCH_CONFIG)_)) \
@@ -412,6 +424,7 @@ endif
 # Define KERNEL_BASE_OFFSET so known at compile time:
 CFLAGS_X86_64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 CFLAGS_X86_64H += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
+CFLAGS_ARM64 += -DKERNEL_BASE_OFFSET=$(KERNEL_BASE_OFFSET)
 
 LDFLAGS_KERNEL_DEBUGX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
 LDFLAGS_KERNEL_DEVELOPMENTX86_64 = $(LDFLAGS_KERNEL_RELEASEX86_64)
@@ -424,6 +437,41 @@ LDFLAGS_KERNEL_DEVELOPMENTX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 LDFLAGS_KERNEL_KASANX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 LDFLAGS_KERNEL_PROFILEX86_64H = $(LDFLAGS_KERNEL_RELEASEX86_64H)
 
+LDFLAGS_KERNEL_RELEASEARM64 = \
+	-Wl,-pie \
+	-Wl,-static \
+	-Wl,-segaddr,__HIB,$(KERNEL_HIB_SECTION_BASE) \
+	-Wl,-image_base,$(KERNEL_TEXT_BASE) \
+	-Wl,-seg_page_size,__TEXT,0x200000 \
+	-Wl,-sectalign,__HIB,__bootPT,0x1000 \
+	-Wl,-sectalign,__HIB,__desc,0x1000 \
+	-Wl,-sectalign,__HIB,__data,0x1000 \
+	-Wl,-sectalign,__HIB,__text,0x1000 \
+	-Wl,-sectalign,__HIB,__const,0x1000 \
+	-Wl,-sectalign,__HIB,__bss,0x1000 \
+	-Wl,-sectalign,__HIB,__common,0x1000 \
+	-Wl,-sectalign,__HIB,__llvm_prf_cnts,0x1000 \
+	-Wl,-sectalign,__HIB,__llvm_prf_names,0x1000 \
+	-Wl,-sectalign,__HIB,__llvm_prf_data,0x1000 \
+	-Wl,-sectalign,__HIB,__textcoal_nt,0x1000 \
+	-Wl,-rename_section,__DATA,__const,__CONST,__constdata \
+	-Wl,-no_zero_fill_sections \
+	$(LDFLAGS_NOSTRIP_FLAG)
+
+ifeq ($(KASAN),1)
+LDFLAGS_KERNEL_RELEASEARM64 += \
+	-Wl,-sectalign,__HIB,__cstring,0x1000 \
+	-Wl,-sectalign,__HIB,__asan_globals,0x1000 \
+	-Wl,-sectalign,__HIB,__asan_liveness,0x1000 \
+	-Wl,-sectalign,__HIB,__mod_term_func,0x1000 \
+	-Wl,-rename_section,__HIB,__mod_init_func,__NULL,__mod_init_func \
+	-Wl,-rename_section,__HIB,__eh_frame,__NULL,__eh_frame
+endif
+
+LDFLAGS_KERNEL_DEBUGARM64 = $(LDFLAGS_KERNEL_RELEASEARM64)
+LDFLAGS_KERNEL_DEVELOPMENTARM64 = $(LDFLAGS_KERNEL_RELEASEARM64)
+LDFLAGS_KERNEL_KASANARM64 = $(LDFLAGS_KERNEL_RELEASEARM64)
+LDFLAGS_KERNEL_PROFILEARM64 = $(LDFLAGS_KERNEL_RELEASEARM64)
 
 LDFLAGS_KERNEL	= $(LDFLAGS_KERNEL_GEN) \
 		  $(LDFLAGS_KERNEL_SDK) \
@@ -616,6 +664,7 @@ DSYMUTIL_FLAGS_GEN	= --minimize
 
 DSYMUTIL_FLAGS_X86_64	= --arch=x86_64
 DSYMUTIL_FLAGS_X86_64H	= --arch=x86_64h
+DSYMUTIL_FLAGS_ARM64	= --arch=arm64
 
 DSYMUTIL_FLAGS = $(DSYMUTIL_FLAGS_GEN) \
 	$($(addsuffix $(CURRENT_ARCH_CONFIG),DSYMUTIL_FLAGS_))

makedefs/MakeInc.top

@@ -87,6 +87,7 @@ endif
 override DEFAULT_I386_MACHINE_CONFIG := NONE
 override DEFAULT_X86_64_MACHINE_CONFIG := NONE
 override DEFAULT_X86_64H_MACHINE_CONFIG := NONE
+override DEFAULT_ARM64_MACHINE_CONFIG := NONE
 
 
 # This is typically never specified (TARGET_CONFIGS is used)

osfmk/chud/arm/chud_osfmk_callback_arm.c

@@ -0,0 +1,17 @@
+#include <chud/chud_xnu_private.h>
+
+__private_extern__ void
+chudxnu_cpu_signal_handler(void)
+{
+}
+
+void *
+chudxnu_cpu_alloc(boolean_t boot_processor)
+{
+	return NULL;
+}
+
+void
+chudxnu_cpu_free(void *cp)
+{
+}

osfmk/chud/arm/chud_thread_arm.c

@@ -0,0 +1,12 @@
+#include <mach/mach_types.h>
+#include <chud/chud_xnu.h>
+
+__private_extern__
+kern_return_t chudxnu_thread_get_callstack64_kperf(
+	thread_t		thread,
+	uint64_t		*callstack,
+	mach_msg_type_number_t	*count,
+	boolean_t		is_user)
+{
+	return KERN_SUCCESS;
+}

osfmk/chud/arm/chud_xnu_private.h

@@ -0,0 +1,6 @@
+#ifndef _ARM64_CHUD_XNU_PRIVATE_H_
+#define _ARM64_CHUD_XNU_PRIVATE_H_
+
+extern void chudxnu_cpu_signal_handler(void);
+
+#endif /* _ARM64_CHUD_XNU_PRIVATE_H_ */