Add muc/sys-gnu-linux.*.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

mcu/sys-gnu-linux.c

@@ -0,0 +1,95 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "board.h"
+
+const uint8_t sys_version[8] = {
+  3*2+2,	     /* bLength */
+  0x03,		     /* bDescriptorType = USB_STRING_DESCRIPTOR_TYPE */
+  /* sys version: "3.0" */
+  '3', 0, '.', 0, '0', 0,
+};
+
+const uint32_t sys_board_id = BOARD_ID;
+const uint8_t sys_board_name[] = BOARD_NAME;
+
+void
+set_led (int on)
+{
+  puts (on ? "*": "");
+}
+
+void
+flash_unlock (void)
+{
+}
+
+int
+flash_program_halfword (uint32_t addr, uint16_t data)
+{
+  fprintf (stderr, "flash_program_halfword: addr=%08x, data=%04x\n", addr, data);
+  return 0;
+}
+
+int
+flash_erase_page (uint32_t addr)
+{
+  fprintf (stderr, "flash_erase_page: addr=%08x\n", addr);
+  return 0;
+}
+
+int
+flash_check_blank (const uint8_t *p_start, size_t size)
+{
+  fprintf (stderr, "flash_check_blank: addr=%p, size=%zd\n", p_start, size);
+  return 0;
+}
+
+int
+flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
+{
+  fprintf (stderr, "flash_write: addr=%08x, %p, %zd\n", dst_addr, src, len);
+  return 0;
+}
+
+int
+flash_protect (void)
+{
+  fprintf (stderr, "flash_protect\n");
+  return 0;
+}
+
+void __attribute__((noreturn))
+flash_erase_all_and_exec (void (*entry)(void))
+{
+  (void)entry;
+  exit (1);
+}
+
+void
+usb_lld_sys_init (void)
+{
+}
+
+void
+usb_lld_sys_shutdown (void)
+{
+}
+
+
+void __attribute__((noreturn))
+nvic_system_reset (void)
+{
+  exit (0);
+}
+
+
+void
+clock_init (void)
+{
+}
+
+void
+gpio_init (void)
+{
+}