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| Rev | Author | Line No. | Line |
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| 173 | 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 | |||
| 29 | #ifndef __ia64_ASM_H__ |
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| 30 | #define __ia64_ASM_H__ |
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| 31 | |||
| 32 | #include <arch/types.h> |
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| 33 | #include <config.h> |
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| 34 | |||
| 180 | jermar | 35 | /** Return base address of current stack |
| 36 | * |
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| 37 | * Return the base address of the current stack. |
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| 38 | * The stack is assumed to be STACK_SIZE long. |
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| 39 | * The stack must start on page boundary. |
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| 40 | */ |
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| 173 | jermar | 41 | static inline __address get_stack_base(void) |
| 42 | { |
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| 180 | jermar | 43 | __u64 v; |
| 44 | |||
| 45 | __asm__ volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
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| 46 | |||
| 47 | return v; |
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| 173 | jermar | 48 | } |
| 49 | |||
| 195 | vana | 50 | |
| 51 | void cpu_sleep(void); |
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| 52 | |||
| 53 | void asm_delay_loop(__u32 t); |
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| 54 | |||
| 238 | vana | 55 | |
| 56 | #define set_shadow_register(reg,val) {__u64 v = val; __asm__ volatile("mov r15 = %0;;\n""bsw.0;;\n""mov " #reg " = r15;;\n""bsw.1;;\n" : : "r" (v) : "r15" ); } |
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| 57 | #define get_shadow_register(reg,val) {__u64 v ; __asm__ volatile("bsw.0;;\n" "mov r15 = r" #reg ";;\n" "bsw.1;;\n" "mov %0 = r15;;\n" : "=r" (v) : : "r15" ); val=v; } |
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| 58 | |||
| 59 | #define get_control_register(reg,val) {__u64 v ; __asm__ volatile("mov r15 = cr" #reg ";;\n" "mov %0 = r15;;\n" : "=r" (v) : : "r15" ); val=v; } |
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| 60 | #define get_aplication_register(reg,val) {__u64 v ; __asm__ volatile("mov r15 = ar" #reg ";;\n" "mov %0 = r15;;\n" : "=r" (v) : : "r15" ); val=v; } |
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| 61 | #define get_psr(val) {__u64 v ; __asm__ volatile("mov r15 = psr;;\n" "mov %0 = r15;;\n" : "=r" (v) : : "r15" ); val=v; } |
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| 62 | |||
| 63 | |||
| 272 | vana | 64 | void cpu_halt(void); |
| 65 | |||
| 66 | |||
| 67 | |||
| 68 | |||
| 173 | jermar | 69 | #endif |