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Diffstat (limited to 'libgloss/or1k/boards/tmpl.S')
| -rw-r--r-- | libgloss/or1k/boards/tmpl.S | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libgloss/or1k/boards/tmpl.S b/libgloss/or1k/boards/tmpl.S new file mode 100644 index 000000000..523ecef28 --- /dev/null +++ b/libgloss/or1k/boards/tmpl.S @@ -0,0 +1,60 @@ +/* tmpl.S -- Template for new boards. + * + * Copyright (c) 2014 Authors + * + * Contributor Stefan Wallentowitz <stefan.wallentowitz@saunalahti.fi> + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include "../include/or1k-asm.h" +#include "../include/or1k-nop.h" + +/* + * Define symbols to be used during startup - file is linked at compile time + * + */ +.weak _or1k_board_mem_base +.weak _or1k_board_mem_size +.weak _or1k_board_clk_freq + +// TODO: set memory base here +_or1k_board_mem_base: .long 0x0 +// TODO: set memory size here +_or1k_board_mem_size: .long 0x0 + +// TODO: set board clock frequency here +_or1k_board_clk_freq: .long 50000000 + +// TODO: UART configuration +.weak _or1k_board_uart_base +.weak _or1k_board_uart_baud +.weak _or1k_board_uart_IRQ +_or1k_board_uart_base: .long 0x0 +_or1k_board_uart_baud: .long 0 +_or1k_board_uart_IRQ: .long 0 + +// TODO: Board exit function, default: loop +.weak _or1k_board_exit +_or1k_board_exit: + l.nop OR1K_NOP_EXIT_SILENT +.Lexitloop: + OR1K_DELAYED_NOP(l.j .Lexitloop) + +// TODO: Early initialization (if really needed!) +.global _or1k_board_init_early +_or1k_board_init_early: + OR1K_DELAYED_NOP(l.jr r9) + +// TODO: Board initialization +.weak _or1k_board_init +_or1k_board_init: + OR1K_DELAYED_NOP(l.jr r9) |