1 files changed, 87 insertions, 0 deletions
diff --git a/include/grub/uboot/uboot.h b/include/grub/uboot/uboot.h
new file mode 100644
index 0000000..1941303
--- /dev/null
+++ b/include/grub/uboot/uboot.h
@@ -0,0 +1,87 @@
+/* uboot.h - declare variables and functions for U-Boot support */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013 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/>.
+ */
+
+#ifndef GRUB_UBOOT_UBOOT_HEADER
+#define GRUB_UBOOT_UBOOT_HEADER	1
+
+#include <grub/types.h>
+#include <grub/dl.h>
+
+/* Functions.  */
+void grub_uboot_mm_init (void);
+void grub_uboot_init (void);
+void grub_uboot_fini (void);
+
+void grub_uboot_return (int) __attribute__ ((noreturn));
+
+grub_addr_t grub_uboot_get_real_bss_start (void);
+
+grub_err_t grub_uboot_probe_hardware (void);
+
+extern grub_addr_t EXPORT_VAR (start_of_ram);
+
+grub_uint32_t EXPORT_FUNC (grub_uboot_get_machine_type) (void);
+grub_addr_t EXPORT_FUNC (grub_uboot_get_boot_data) (void);
+
+
+/*
+ * The U-Boot API operates through a "syscall" interface, consisting of an
+ * entry point address and a set of syscall numbers. The location of this
+ * entry point is described in a structure allocated on the U-Boot heap.
+ * We scan through a defined region around the hint address passed to us
+ * from U-Boot.
+ */
+
+#define UBOOT_API_SEARCH_LEN (3 * 1024 * 1024)
+int grub_uboot_api_init (void);
+
+/*
+ * All functions below are wrappers around the uboot_syscall() function,
+ * implemented in grub-core/kern/uboot/uboot.c
+*/
+
+int  grub_uboot_getc (void);
+int  grub_uboot_tstc (void);
+void grub_uboot_putc (int c);
+void grub_uboot_puts (const char *s);
+
+void EXPORT_FUNC (grub_uboot_reset) (void);
+
+struct sys_info *grub_uboot_get_sys_info (void);
+
+void grub_uboot_udelay (grub_uint32_t usec);
+grub_uint32_t grub_uboot_get_timer (grub_uint32_t base);
+
+int EXPORT_FUNC (grub_uboot_dev_enum) (void);
+struct device_info * EXPORT_FUNC (grub_uboot_dev_get) (int index);
+int EXPORT_FUNC (grub_uboot_dev_open) (struct device_info *dev);
+int EXPORT_FUNC (grub_uboot_dev_close) (struct device_info *dev);
+int grub_uboot_dev_write (struct device_info *dev, const void *buf,
+			  grub_size_t blocks, grub_uint32_t start);
+int grub_uboot_dev_read (struct device_info *dev, void *buf, grub_size_t blocks,
+			 grub_uint32_t start, grub_size_t * real_blocks);
+int EXPORT_FUNC (grub_uboot_dev_recv) (struct device_info *dev, void *buf,
+				       int size, int *real_size);
+int EXPORT_FUNC (grub_uboot_dev_send) (struct device_info *dev, void *buf,
+				       int size);
+
+char *grub_uboot_env_get (const char *name);
+void grub_uboot_env_set (const char *name, const char *value);
+
+#endif /* ! GRUB_UBOOT_UBOOT_HEADER */