meta: update ropkg

CMakeLists.txt

@@ -16,6 +16,9 @@ include(Templates)
 bsp_reset()
 sysroot_reset()
 
+sysroot_set_base(
+	PATH ${CMAKE_SOURCE_DIR}/base)
+
 add_subdirectory(kernel)
 add_subdirectory(sys)
 add_subdirectory(lib)

arch/x86_64/Arch.cmake

@@ -1 +1,3 @@
+include(System-Disk)
 include(QEMU)
+include(Bochs)

arch/x86_64/Bochs.cmake

@@ -0,0 +1,18 @@
+find_program(BOCHS bochs)
+
+if (NOT BOCHS)
+	message(STATUS "Bochs: cannot find bochs")
+	return()
+endif ()
+
+if (NOT TARGET cdrom)
+	message(STATUS "Bochs: CD-ROM image creation is unavailable. Cannot use bochs")
+	return()
+endif ()
+
+message(STATUS "Bochs: Enable CD-ROM boot")
+add_custom_target(run-cdrom-bochs
+	COMMAND ${BOCHS} -q -f ${CMAKE_SOURCE_DIR}/arch/${CMAKE_SYSTEM_PROCESSOR}/bochsrc.bxrc
+	WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+	USES_TERMINAL
+	DEPENDS cdrom)

arch/x86_64/QEMU.cmake

@@ -1,27 +1,34 @@
 find_program(QEMU qemu-system-${TARGET_ARCH} REQUIRED)
-find_program(LLDB lldb REQUIRED)
+if (NOT QEMU)
+	message(STATUS "QEMU: Cannot find qemu-system-${TARGET_ARCH}. Direct-kernel boot unavailable")
+	return()
+endif ()
 
+find_program(LLDB lldb)
+find_program(GDB gdb)
+
+set(patched_kernel ${CMAKE_CURRENT_BINARY_DIR}/kernel/${kernel_name}.elf32)
+
+add_custom_command(OUTPUT ${patched_kernel}
+	DEPENDS ${kernel_name}
+	COMMAND ${CMAKE_COMMAND} -E copy
+		$<TARGET_FILE:${kernel_name}>
+		${patched_kernel}
+	COMMAND ${BUILD_TOOLS_DIR}/e64patch ${patched_kernel}
+	WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+	COMMENT "Patching kernel elf64 image"
+)
+
+message(STATUS "QEMU: Enable direct-kernel boot")
 add_custom_target(run-kernel
 	COMMAND
 		${QEMU}
-		-kernel $<TARGET_FILE:${kernel_name}>
+		-kernel ${patched_kernel}
 		-initrd ${sys_dir}/${bsp_name}
-		-m 1G -serial stdio
+		-m 1G -serial stdio -enable-kvm
 		--append kernel.early-console=ttyS0
 	USES_TERMINAL
-	DEPENDS ${kernel_name} bsp)
-
-add_custom_target(debug-kernel
-	COMMAND
-		${QEMU}
-			-kernel $<TARGET_FILE:${kernel_name}>
-			-initrd ${sys_dir}/${bsp_name}
-			-m 1G -s -S &
-		${LLDB}
-			-o "file ${CMAKE_BINARY_DIR}/kernel/${kernel_name}.debug"
-			-o "gdb-remote localhost:1234"
-	USES_TERMINAL
-	DEPENDS ${kernel_name} bsp)
+	DEPENDS ${patched_kernel} bsp)
 
 add_custom_target(run-kernel-monitor
 	COMMAND
@@ -31,3 +38,73 @@ add_custom_target(run-kernel-monitor
 		-m 1G -monitor stdio
 	USES_TERMINAL
 	DEPENDS ${kernel_name} bsp)
+
+if (image_cdrom)
+	message(STATUS "QEMU: Enable CD-ROM boot")
+	add_custom_target(run-cdrom
+		COMMAND
+			${QEMU}
+			-cdrom ${image_cdrom}
+			-m 1G
+			-serial stdio
+		USES_TERMINAL
+		DEPENDS ${image_cdrom})
+endif ()
+
+if (LLDB)
+	message(STATUS "QEMU: Enable direct-kernel debug with LLDB")
+	add_custom_target(debug-kernel
+		COMMAND
+			${QEMU}
+				-kernel $<TARGET_FILE:${kernel_name}>
+				-initrd ${sys_dir}/${bsp_name}
+				-enable-kvm
+				-m 1G -s -S &
+			${LLDB}
+				-o "file ${CMAKE_BINARY_DIR}/kernel/${kernel_name}.debug"
+				-o "gdb-remote localhost:1234"
+		USES_TERMINAL
+		DEPENDS ${kernel_name} bsp)
+
+	if (image_cdrom)
+		message(STATUS "QEMU: Enable CD-ROM debug with LLDB")
+		add_custom_target(debug-cdrom
+			COMMAND
+				${QEMU}
+				-cdrom ${image_cdrom}
+				-m 1G -s -S &
+			${LLDB}
+				-o "file ${CMAKE_BINARY_DIR}/kernel/${kernel_name}.debug"
+				-o "target remote localhost:1234"
+			USES_TERMINAL
+			DEPENDS cdrom)
+	endif ()
+elseif (GDB)
+	message(STATUS "QEMU: Enable direct-kernel debug with GDB")
+	add_custom_target(debug-kernel
+		COMMAND
+			${QEMU}
+				-kernel $<TARGET_FILE:${kernel_name}>
+				-initrd ${sys_dir}/${bsp_name}
+				-m 1G -s -S &
+			${GDB}
+				-o "file ${CMAKE_BINARY_DIR}/kernel/${kernel_name}.debug"
+				-o "remote localhost:1234"
+		USES_TERMINAL
+		DEPENDS ${kernel_name} bsp)
+
+	if (image_cdrom)
+		message(STATUS "QEMU: Enable CD-ROM debug with GDB")
+		add_custom_target(debug-cdrom
+			COMMAND
+				${QEMU}
+				-cdrom ${image_cdrom}
+				-m 1G -s -S &
+			${GDB}  -tui
+				-s "${CMAKE_BINARY_DIR}/kernel/${kernel_name}.debug"
+				-ex "target remote localhost:1234"
+			USES_TERMINAL
+			DEPENDS ${image_cdrom})
+	endif ()
+endif ()
+

arch/x86_64/System-Disk.cmake

@@ -0,0 +1,17 @@
+find_program(GRUB_MKRESCUE grub-mkrescue)
+
+if (GRUB_MKRESCUE)
+	message(STATUS "GRUB: Found grub-mkrescue. Bootable CD-ROM image creation is enabled")
+	set(image_cdrom ${CMAKE_CURRENT_BINARY_DIR}/rosetta-system.iso)
+
+	add_custom_target(cdrom
+		DEPENDS sysroot
+		COMMAND ${GRUB_MKRESCUE}
+			-o ${image_cdrom}
+			${CMAKE_CURRENT_BINARY_DIR}/sysroot
+		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+		COMMENT "Building GRUB CD-ROM image"
+	)
+else ()
+	message(STATUS "Cannot find grub-mkrescue. Bootable CD-ROM image creation is unavailable")
+endif ()

arch/x86_64/bochsrc.bxrc

@@ -0,0 +1,53 @@
+# configuration file generated by Bochs
+plugin_ctrl: unmapped=true, biosdev=true, speaker=true, extfpuirq=true, parallel=true, serial=true, iodebug=true
+config_interface: textconfig
+display_library: sdl2
+memory: guest=128, host=128, block_size=128
+romimage: file="/usr/local/share/bochs/BIOS-bochs-latest", address=0x00000000, options=none, flash_data=none
+vgaromimage: file="/usr/local/share/bochs/VGABIOS-lgpl-latest.bin"
+boot: cdrom
+floppy_bootsig_check: disabled=0
+floppya: type=1_44
+# no floppyb
+ata0: enabled=true, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
+ata0-master: type=cdrom, path="rosetta-system.iso", status=inserted, model="Generic 1234", biosdetect=auto
+ata0-slave: type=none
+ata1: enabled=true, ioaddr1=0x170, ioaddr2=0x370, irq=15
+ata1-master: type=none
+ata1-slave: type=none
+ata2: enabled=false
+ata3: enabled=false
+optromimage1: file=none
+optromimage2: file=none
+optromimage3: file=none
+optromimage4: file=none
+optramimage1: file=none
+optramimage2: file=none
+optramimage3: file=none
+optramimage4: file=none
+pci: enabled=1, chipset=i440fx, slot1=none, slot2=none, slot3=none, slot4=none, slot5=none
+vga: extension=vbe, update_freq=10, realtime=1, ddc=builtin, vbe_memsize=16
+cpu: count=1:1:1, ips=4000000, quantum=16, model=core2_penryn_t9600, reset_on_triple_fault=1, cpuid_limit_winnt=0, ignore_bad_msrs=1, mwait_is_nop=0
+print_timestamps: enabled=0
+debugger_log: -
+magic_break: enabled=1 0x0
+port_e9_hack: enabled=false, all_rings=false
+iodebug: all_rings=0
+private_colormap: enabled=0
+clock: sync=none, time0=local, rtc_sync=0
+# no cmosimage
+log: -
+logprefix: %t%e%d
+debug: action=ignore
+info: action=report
+error: action=report
+panic: action=ask
+keyboard: type=mf, serial_delay=150, paste_delay=100000, user_shortcut=none
+mouse: type=ps2, enabled=false, toggle=ctrl+mbutton
+speaker: enabled=true, mode=system
+parport1: enabled=true, file=none
+parport2: enabled=false
+com1: enabled=true, mode=null
+com2: enabled=false
+com3: enabled=false
+com4: enabled=false

base/boot/grub/grub.cfg

@@ -0,0 +1,11 @@
+menuentry "Rosetta" {
+	multiboot /boot/mango_kernel
+	module /boot/rosetta-system.bsp
+	boot
+}
+
+menuentry "Rosetta (Serial Log)" {
+	multiboot /boot/mango_kernel kernel.early-console=ttyS0
+	module /boot/rosetta-system.bsp
+	boot
+}

cmake/Sysroot.cmake

@@ -9,6 +9,34 @@ function(sysroot_reset)
 		COMMAND_ERROR_IS_FATAL ANY)
 endfunction(sysroot_reset)
 
+function(sysroot_set_base)
+	set(options)
+	set(one_value_args PATH)
+	set(multi_value_args)
+
+	cmake_parse_arguments(PARSE_ARGV 0 arg
+		"${options}"
+		"${one_value_args}"
+		"${multi_value_args}")
+
+	set(sysroot_target_name _sysroot-base)
+
+	get_property(sysroot_targets GLOBAL PROPERTY sysroot_target_list)
+	list(LENGTH sysroot_targets nr_sysroot_targets)
+	if (${nr_sysroot_targets} GREATER 0)
+		math(EXPR serialiser_index "${nr_sysroot_targets}-1")
+		list(GET sysroot_targets ${serialiser_index} serialiser)
+	endif ()
+
+	add_custom_target(${sysroot_target_name}
+		COMMAND	${Python_EXECUTABLE} ${sysroot_tool}
+			set-base ${sysroot_manifest} ${arg_PATH}
+		COMMENT "Preparing sysroot base"
+		DEPENDS ${serialiser})
+
+	set_property(GLOBAL PROPERTY sysroot_target_list ${sysroot_targets} ${sysroot_target_name})
+endfunction(sysroot_set_base)
+
 function(sysroot_add_library)
 	set(options)
 	set(one_value_args NAME HEADER_DIR LIB_DIR)
@@ -93,7 +121,6 @@ function(sysroot_add_object_library)
 	endif ()
 
 	get_property(tmp TARGET ${target_name} PROPERTY SUFFIX)
-	message(STATUS ${tmp})
 
 	set_property(GLOBAL PROPERTY sysroot_target_list ${sysroot_targets} ${sysroot_target_name})
 endfunction(sysroot_add_object_library)

lib/liblaunch/elf.c

@@ -21,8 +21,8 @@
 /* TODO in case we ever support ELF32 images */
 #define elf_class_bits(x)  (64)
 
-#define PAGE_SIZE          (page_size())
-#define PAGE_MASK          (page_size() - 1)
+#define PAGE_SIZE          (image->e_page_size)
+#define PAGE_MASK          (image->e_page_size - 1)
 #define PAGE_OFFSET(v)     ((v) & (PAGE_SIZE - 1))
 #define PAGE_ALIGN_DOWN(v) (v) &= ~(PAGE_SIZE - 1)
 #define PAGE_ALIGN_UP(v)                                                       \
@@ -35,16 +35,6 @@
 
 #undef DEBUG_LOG
 
-static size_t page_size(void)
-{
-	static size_t pagesz = 0;
-	if (pagesz == 0) {
-		kern_config_get(KERN_CFG_PAGE_SIZE, &pagesz, sizeof pagesz);
-	}
-
-	return pagesz;
-}
-
 static enum launch_status elf_validate_ehdr(elf_ehdr_t *hdr)
 {
 	if (hdr->e_ident[EI_MAG0] != ELF_MAG0) {
@@ -488,6 +478,7 @@ void elf_image_init(struct elf_image *out)
 {
 	memset(out, 0x0, sizeof(*out));
 
+	kern_config_get(KERN_CFG_PAGE_SIZE, &out->e_page_size, sizeof out->e_page_size);
 	out->e_image = KERN_HANDLE_INVALID;
 	out->e_data = KERN_HANDLE_INVALID;
 	out->e_local_space = KERN_HANDLE_INVALID;

lib/liblaunch/elf.h

@@ -289,6 +289,7 @@ struct bootdata;
 struct bootfs_file;
 
 struct elf_image {
+	size_t e_page_size;
 	kern_handle_t e_image, e_data;
 	kern_handle_t e_local_space, e_remote_space;
 	kern_handle_t e_local_exec, e_remote_exec;

sys/bootstrap/arch/x86_64/layout.ld

@@ -9,6 +9,8 @@ SECTIONS {
 	.data ALIGN(4K) : {
 		*(.data)
 		*(.bss)
+		*(.got*)
+		*(.eh_frame)
 	}
 
 	/DISCARD/ : {

util/lib/manifest.py

@@ -58,20 +58,22 @@ class Component:
 class Manifest:
     def __init__(self, path):
         self.path = path
+        self.base = None
         self.components = {}
 
     def load(self):
             with open(self.path, 'r') as f:
                 self.data = json.load(f)
 
-            if 'components' not in self.data:
-                return 0
-
+            if 'components' in self.data:
                 for n, t in self.data['components'].items():
                     component = Component()
                     component.deserialise(t)
                     self.components[n] = component
 
+            if 'base' in self.data:
+                self.base = self.data['base']
+
 
     def save(self):
             component_data = {}
@@ -81,6 +83,9 @@ class Manifest:
 
             self.data['components'] = component_data
 
+            if self.base is not None:
+                self.data['base'] = self.base
+
             with open(self.path, 'w') as f:
                 json.dump(self.data, f, indent=4)
 
@@ -97,5 +102,14 @@ class Manifest:
         self.components[name] = component
         return component
 
+
+    def set_base(self, path):
+        self.base = path
+
+
+    def get_base(self):
+        return self.base
+
+
     def get_all_components(self):
         return self.components

util/sysroot-tool.py

@@ -16,6 +16,24 @@ def reset():
     return 0
 
 
+def set_base():
+    if len(sys.argv) < 4:
+        print("USAGE: {} set-base <manifest-path> <base-directory>".format(sys.argv[0]))
+        return -1
+
+    manifest_path = sys.argv[2]
+    base_path = sys.argv[3]
+
+    manifest = Manifest(manifest_path)
+    manifest.load()
+
+    manifest.set_base(base_path)
+
+    manifest.save()
+
+    return 0
+
+
 def add_headers():
     if len(sys.argv) < 6:
         print("USAGE: {} add-headers <manifest-path> <component-name> <dest-directory> <source-directory>".format(sys.argv[0]))
@@ -73,6 +91,13 @@ def build_sysroot():
     manifest = Manifest(manifest_path)
     manifest.load()
 
+    base_dir = manifest.get_base()
+    if base_dir is not None:
+        shutil.copytree(
+                base_dir,
+                sysroot_path,
+                dirs_exist_ok=True)
+
     for n, c in manifest.get_all_components().items():
         for h in c.get_headers():
             header_src = h['src']
@@ -122,6 +147,7 @@ if len(sys.argv) < 2:
 
 commands = {
         'reset': reset,
+        'set-base': set_base,
         'add-headers': add_headers,
         'add-binary': add_binary,
         'build-sysroot': build_sysroot,