| 1 | /*
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| 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 |
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| 29 | #ifndef __sparc64_ASM_H__
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| 30 | #define __sparc64_ASM_H__
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| 31 |
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| 32 | #include <arch/types.h>
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| 33 | #include <config.h>
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| 34 |
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| 35 | /** Enable interrupts.
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| 36 | *
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| 37 | * Enable interrupts and return previous
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| 38 | * value of IPL.
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| 39 | *
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| 40 | * @return Old interrupt priority level.
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| 41 | */
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| 42 | static inline ipl_t interrupts_enable(void) {
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| 43 | }
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| 44 |
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| 45 | /** Disable interrupts.
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| 46 | *
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| 47 | * Disable interrupts and return previous
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| 48 | * value of IPL.
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| 49 | *
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| 50 | * @return Old interrupt priority level.
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| 51 | */
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| 52 | static inline ipl_t interrupts_disable(void) {
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| 53 | }
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| 54 |
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| 55 | /** Restore interrupt priority level.
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| 56 | *
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| 57 | * Restore IPL.
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| 58 | *
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| 59 | * @param ipl Saved interrupt priority level.
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| 60 | */
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| 61 | static inline void interrupts_restore(ipl_t ipl) {
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| 62 | }
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| 63 |
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| 64 | /** Return interrupt priority level.
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| 65 | *
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| 66 | * Return IPL.
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| 67 | *
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| 68 | * @return Current interrupt priority level.
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| 69 | */
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| 70 | static inline ipl_t interrupts_read(void) {
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| 71 | }
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| 72 |
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| 73 | /** Return base address of current stack.
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| 74 | *
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| 75 | * Return the base address of the current stack.
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| 76 | * The stack is assumed to be STACK_SIZE bytes long.
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| 77 | * The stack must start on page boundary.
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| 78 | */
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| 79 | static inline __address get_stack_base(void)
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| 80 | {
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| 81 | __address v;
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| 82 |
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| 83 | __asm__ volatile ("and %%o6, %1, %0\n" : "=r" (v) : "r" (~(STACK_SIZE-1)));
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| 84 |
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| 85 | return v;
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| 86 | }
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| 87 |
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| 88 | void cpu_halt(void);
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| 89 | void cpu_sleep(void);
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| 90 | void asm_delay_loop(__u32 t);
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| 91 |
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| 92 | #endif
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