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| Rev | Author | Line No. | Line |
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| 426 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 586 | jermar | 29 | #include <arch/console.h> |
| 493 | jermar | 30 | #include <genarch/ofw/ofw.h> |
| 586 | jermar | 31 | #include <console/chardev.h> |
| 32 | #include <console/console.h> |
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| 664 | jermar | 33 | #include <arch/asm.h> |
| 34 | #include <arch/register.h> |
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| 426 | jermar | 35 | |
| 586 | jermar | 36 | static void ofw_sparc64_putchar(chardev_t *d, const char ch); |
| 37 | |||
| 38 | static chardev_t ofw_sparc64_console; |
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| 39 | static chardev_operations_t ofw_sparc64_console_ops = { |
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| 40 | .write = ofw_sparc64_putchar |
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| 41 | }; |
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| 42 | |||
| 43 | void ofw_sparc64_console_init(void) |
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| 44 | { |
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| 45 | chardev_initialize("ofw_sparc64_console", &ofw_sparc64_console, &ofw_sparc64_console_ops); |
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| 46 | stdout = &ofw_sparc64_console; |
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| 47 | } |
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| 48 | |||
| 426 | jermar | 49 | /** Print one character. |
| 50 | * |
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| 51 | * @param ch Character to be printed. |
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| 52 | */ |
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| 586 | jermar | 53 | void ofw_sparc64_putchar(chardev_t *d, const char ch) |
| 426 | jermar | 54 | { |
| 664 | jermar | 55 | pstate_reg_t pstate; |
| 56 | |||
| 57 | /* |
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| 58 | * 32-bit OpenFirmware depends on PSTATE.AM bit set. |
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| 59 | */ |
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| 60 | pstate.value = pstate_read(); |
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| 61 | pstate.am = true; |
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| 62 | pstate_write(pstate.value); |
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| 63 | |||
| 426 | jermar | 64 | if (ch == '\n') |
| 65 | ofw_putchar('\r'); |
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| 66 | ofw_putchar(ch); |
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| 664 | jermar | 67 | |
| 68 | pstate.am = false; |
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| 69 | pstate_write(pstate.value); |
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| 426 | jermar | 70 | } |