global_data.h 1.7 KB

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  1. /*
  2. * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
  3. * Scott McNutt <smcnutt@psyent.com>
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef __ASM_NIOS_GLOBALDATA_H
  24. #define __ASM_NIOS_GLOBALDATA_H
  25. typedef struct global_data {
  26. bd_t *bd;
  27. unsigned long flags;
  28. unsigned long baudrate;
  29. unsigned long cpu_clk; /* CPU clock in Hz! */
  30. unsigned long have_console; /* serial_init() was called */
  31. unsigned long ram_size; /* RAM size */
  32. unsigned long reloc_off; /* Relocation Offset */
  33. unsigned long env_addr; /* Address of Environment struct */
  34. unsigned long env_valid; /* Checksum of Environment valid */
  35. void **jt; /* Standalone app jump table */
  36. } gd_t;
  37. /* flags */
  38. #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
  39. #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
  40. #define GD_FLG_SILENT 0x00004 /* Silent mode */
  41. #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("%g7")
  42. #endif /* __ASM_NIOS_GLOBALDATA_H */