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| Rev | Author | Line No. | Line |
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| 1 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2003-2004 Jakub Jermar |
| 1 | jermar | 3 | * All rights reserved. |
| 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 | |||
| 1769 | jermar | 29 | /** @addtogroup mips32 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_mips32_ASM_H_ |
| 36 | #define KERN_mips32_ASM_H_ |
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| 1 | jermar | 37 | |
| 173 | jermar | 38 | #include <arch/types.h> |
| 39 | #include <config.h> |
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| 40 | |||
| 1 | jermar | 41 | |
| 326 | palkovsky | 42 | static inline void cpu_sleep(void) |
| 43 | { |
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| 44 | /* Most of the simulators do not support */ |
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| 2082 | decky | 45 | /* asm volatile ("wait"); */ |
| 326 | palkovsky | 46 | } |
| 47 | |||
| 173 | jermar | 48 | /** Return base address of current stack |
| 49 | * |
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| 50 | * Return the base address of the current stack. |
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| 51 | * The stack is assumed to be STACK_SIZE bytes long. |
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| 180 | jermar | 52 | * The stack must start on page boundary. |
| 173 | jermar | 53 | */ |
| 1780 | jermar | 54 | static inline uintptr_t get_stack_base(void) |
| 173 | jermar | 55 | { |
| 1780 | jermar | 56 | uintptr_t v; |
| 173 | jermar | 57 | |
| 2082 | decky | 58 | asm volatile ("and %0, $29, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
| 173 | jermar | 59 | |
| 60 | return v; |
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| 61 | } |
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| 62 | |||
| 313 | palkovsky | 63 | extern void cpu_halt(void); |
| 1780 | jermar | 64 | extern void asm_delay_loop(uint32_t t); |
| 65 | extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |
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| 66 | uintptr_t entry); |
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| 195 | vana | 67 | |
| 1881 | jermar | 68 | extern ipl_t interrupts_disable(void); |
| 69 | extern ipl_t interrupts_enable(void); |
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| 70 | extern void interrupts_restore(ipl_t ipl); |
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| 71 | extern ipl_t interrupts_read(void); |
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| 72 | |||
| 3880 | decky | 73 | /** No I/O port address space on MIPS. */ |
| 74 | static inline void outb(ioport_t port, uint8_t v) |
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| 75 | { |
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| 76 | } |
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| 77 | |||
| 78 | /** No I/O port address space on MIPS. */ |
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| 79 | static inline uint8_t inb(ioport_t port) |
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| 80 | { |
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| 81 | return 0; |
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| 82 | } |
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| 83 | |||
| 1 | jermar | 84 | #endif |
| 1702 | cejka | 85 | |
| 1769 | jermar | 86 | /** @} |
| 1702 | cejka | 87 | */ |