Imported Genode release 11.11

base-codezero/src/platform/_main_helper.h

@@ -0,0 +1,67 @@
+/*
+ * \brief  Platform-specific helper functions for the _main() function
+ * \author Norman Feske
+ * \date   2009-10-02
+ */
+
+/*
+ * Copyright (C) 2009-2011 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef _PLATFORM___MAIN_HELPER_H_
+#define _PLATFORM___MAIN_HELPER_H_
+
+#include <base/printf.h>
+
+/* make Codezero includes happy */
+extern "C" char *strncpy(char *dest, const char *src, Genode::size_t n);
+extern "C" void *memcpy(void *dest, const void *src, Genode::size_t n);
+
+/* Codezero includes */
+#include <codezero/syscalls.h>
+
+
+/****************************
+ ** Codezero libl4 support **
+ ****************************/
+
+/*
+ * Unfortunately, the function 'exregs_print_registers' in 'exregs.c' refers to
+ * 'memset'. Because we do not want to link core against a C library, we have to
+ * resolve this function here.
+ */
+extern "C" void *memset(void *s, int c, Genode::size_t n) __attribute__((weak));
+extern "C" void *memset(void *s, int c, Genode::size_t n)
+{
+	return Genode::memset(s, c, n);
+}
+
+
+/*
+ * Same problem as for 'memset'. The 'printf' symbol is referenced from
+ * 'mutex.c' and 'exregs.c' of Codezero's libl4.
+ */
+extern "C" int printf(const char *format, ...) __attribute__((weak));
+extern "C" int printf(const char *format, ...)
+{
+	va_list list;
+	va_start(list, format);
+	Genode::vprintf(format, list);
+	va_end(list);
+	return 0;
+}
+
+
+/**************************
+ ** Startup-code helpers **
+ **************************/
+
+static void main_thread_bootstrap()
+{
+	Codezero::__l4_init();
+}
+
+#endif /* _PLATFORM___MAIN_HELPER_H_ */

base-codezero/src/platform/genode.ld

@@ -0,0 +1,131 @@
+/*
+ * \brief  Linker script for Genode programs
+ * \author Christian Helmuth
+ * \date   2006-04-12
+ */
+
+/*
+ * Copyright (C) 2006-2011 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+/* values taken from Codezero's mm0 linker script */
+/*physical_base = 0x00208000;*/
+/*virtual_base  = 0xe0000000;*/
+/*offset        = virtual_base - physical_base;*/
+
+/*
+ * Addresses correspond to the linker script generated by
+ * the Codezero build system.
+ */
+vma_start = 0x100000;
+lma_start = 0x40000;
+offset = vma_start - lma_start;
+
+
+ENTRY(_start)
+
+PHDRS
+{
+  ro PT_LOAD;
+  rw PT_LOAD;
+}
+
+SECTIONS
+{
+	. = vma_start;
+
+	.text : AT (ADDR(.text) - offset) {
+		/* begin of program image (link address) */
+		_prog_img_beg = .;
+
+		*(.text.crt0)
+		*(.init)
+		*(.text .text.* .gnu.linkonce.t.*)
+		*(.fini)
+		*(.rodata .rodata.* .gnu.linkonce.r.*)
+
+		. = ALIGN(0x08);
+
+		_ctors_start = .;
+		KEEP (*(.ctors))
+		KEEP (*(SORT(.ctors.*)))
+		KEEP (*(.init_array)) /* list of constructors specific for ARM eabi */
+		_ctors_end = .;
+		_dtors_start = .;
+		KEEP (*(SORT(.dtors.*)))
+		KEEP (*(.dtors))
+		_dtors_end = .;
+	} : ro = 0x90909090
+
+	/* Linux: exception section for uaccess mechanism */
+	__ex_table : { *(__ex_table) }
+
+	.eh_frame_hdr : { *(.eh_frame_hdr) }
+
+	. = ALIGN(0x1000);
+
+	_prog_img_data = .;
+
+	.data : AT (ADDR(.data) - offset) {
+		/*
+		 * Leave space for parent capability parameters at start of data
+		 * section. The protection domain creator is reponsible for storing
+		 * sane values here.
+		 */
+		_parent_cap = .;
+		LONG(0xffffffff);
+		LONG(0xffffffff);
+		_vma_start = .;
+		LONG(vma_start);
+		_lma_start = .;
+		LONG(lma_start);
+
+		*(.data .data.* .gnu.linkonce.d.*)
+	} : rw
+
+	/* exception frames for C++ */
+	.eh_frame : {
+		__eh_frame_start__ = .;
+		KEEP (*(.eh_frame))
+		LONG(0)
+	} : rw
+
+	.init_array : {
+		PROVIDE_HIDDEN (__init_array_start = .);
+		KEEP (*(SORT(.init_array.*)))
+		KEEP (*(.init_array))
+		PROVIDE_HIDDEN (__init_array_end = .);
+	}
+
+	.gcc_except_table : { KEEP(*(.gcc_except_table)) }
+	.dynamic :  { *(.dynamic) }
+
+	/* .ARM.exidx is sorted, so has to go in its own output section */
+	__exidx_start = .;
+	.ARM.exidx : {
+		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
+	}
+	__exidx_end = .;
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} : rw
+
+	. = ALIGN(4);
+
+	.bss : AT (ADDR(.bss) - offset) {
+		*(.bss .bss.* .gnu.linkonce.b.* COMMON)
+	}
+
+	/* end of program image -- must be after last section */
+	_prog_img_end = .;
+
+	/DISCARD/ : {
+		*(.note)
+		*(.note.ABI-tag)
+		*(.comment)
+	}
+}