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-rw-r--r--grub-core/kern/i386/coreboot/init.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/grub-core/kern/i386/coreboot/init.c b/grub-core/kern/i386/coreboot/init.c
new file mode 100644
index 0000000..434b9b5
--- /dev/null
+++ b/grub-core/kern/i386/coreboot/init.c
@@ -0,0 +1,132 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/kernel.h>
+#include <grub/mm.h>
+#include <grub/machine/time.h>
+#include <grub/machine/memory.h>
+#include <grub/machine/console.h>
+#include <grub/offsets.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/misc.h>
+#include <grub/loader.h>
+#include <grub/env.h>
+#include <grub/cache.h>
+#include <grub/time.h>
+#include <grub/symbol.h>
+#include <grub/cpu/io.h>
+#include <grub/cpu/floppy.h>
+#include <grub/cpu/tsc.h>
+#ifdef GRUB_MACHINE_QEMU
+#include <grub/machine/kernel.h>
+#endif
+
+extern char _start[];
+extern char _end[];
+
+grub_uint32_t
+grub_get_rtc (void)
+{
+ grub_fatal ("grub_get_rtc() is not implemented.\n");
+}
+
+void
+grub_exit (void)
+{
+ /* We can't use grub_fatal() in this function. This would create an infinite
+ loop, since grub_fatal() calls grub_abort() which in turn calls grub_exit(). */
+ while (1)
+ grub_cpu_idle ();
+}
+
+void
+grub_machine_init (void)
+{
+#ifdef GRUB_MACHINE_QEMU
+ grub_qemu_init_cirrus ();
+#endif
+ /* Initialize the console as early as possible. */
+ grub_vga_text_init ();
+
+ auto int NESTED_FUNC_ATTR heap_init (grub_uint64_t, grub_uint64_t,
+ grub_memory_type_t);
+ int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t size,
+ grub_memory_type_t type)
+ {
+#if GRUB_CPU_SIZEOF_VOID_P == 4
+ /* Restrict ourselves to 32-bit memory space. */
+ if (addr > GRUB_ULONG_MAX)
+ return 0;
+ if (addr + size > GRUB_ULONG_MAX)
+ size = GRUB_ULONG_MAX - addr;
+#endif
+
+ if (type != GRUB_MEMORY_AVAILABLE)
+ return 0;
+
+ /* Avoid the lower memory. */
+ if (addr < GRUB_MEMORY_MACHINE_LOWER_SIZE)
+ {
+ if (addr + size <= GRUB_MEMORY_MACHINE_LOWER_SIZE)
+ return 0;
+ else
+ {
+ size -= GRUB_MEMORY_MACHINE_LOWER_SIZE - addr;
+ addr = GRUB_MEMORY_MACHINE_LOWER_SIZE;
+ }
+ }
+
+ grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);
+
+ return 0;
+ }
+
+#if defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_QEMU)
+ grub_machine_mmap_init ();
+#endif
+ grub_machine_mmap_iterate (heap_init);
+
+ grub_tsc_init ();
+}
+
+void
+grub_machine_set_prefix (void)
+{
+ /* Initialize the prefix. */
+ grub_env_set ("prefix", grub_prefix);
+}
+
+void
+grub_machine_fini (void)
+{
+ grub_vga_text_fini ();
+ grub_stop_floppy ();
+}
+
+/* Return the end of the core image. */
+grub_addr_t
+grub_arch_modules_addr (void)
+{
+#ifdef GRUB_MACHINE_QEMU
+ return grub_core_entry_addr + grub_kernel_image_size;
+#else
+ return ALIGN_UP((grub_addr_t) _end, GRUB_KERNEL_MACHINE_MOD_ALIGN);
+#endif
+}