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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> |
| 4021 | jermar | 39 | #include <typedefs.h> |
| 173 | jermar | 40 | #include <config.h> |
| 41 | |||
| 1 | jermar | 42 | |
| 326 | palkovsky | 43 | static inline void cpu_sleep(void) |
| 44 | { |
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| 45 | /* Most of the simulators do not support */ |
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| 2082 | decky | 46 | /* asm volatile ("wait"); */ |
| 326 | palkovsky | 47 | } |
| 48 | |||
| 173 | jermar | 49 | /** Return base address of current stack |
| 50 | * |
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| 51 | * Return the base address of the current stack. |
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| 52 | * The stack is assumed to be STACK_SIZE bytes long. |
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| 180 | jermar | 53 | * The stack must start on page boundary. |
| 173 | jermar | 54 | */ |
| 1780 | jermar | 55 | static inline uintptr_t get_stack_base(void) |
| 173 | jermar | 56 | { |
| 1780 | jermar | 57 | uintptr_t v; |
| 173 | jermar | 58 | |
| 3913 | decky | 59 | asm volatile ( |
| 60 | "and %0, $29, %1\n" |
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| 61 | : "=r" (v) |
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| 62 | : "r" (~(STACK_SIZE-1)) |
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| 63 | ); |
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| 173 | jermar | 64 | |
| 65 | return v; |
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| 66 | } |
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| 67 | |||
| 313 | palkovsky | 68 | extern void cpu_halt(void); |
| 1780 | jermar | 69 | extern void asm_delay_loop(uint32_t t); |
| 70 | extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |
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| 3913 | decky | 71 | uintptr_t entry); |
| 195 | vana | 72 | |
| 1881 | jermar | 73 | extern ipl_t interrupts_disable(void); |
| 74 | extern ipl_t interrupts_enable(void); |
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| 75 | extern void interrupts_restore(ipl_t ipl); |
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| 76 | extern ipl_t interrupts_read(void); |
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| 3913 | decky | 77 | extern void asm_delay_loop(uint32_t t); |
| 1881 | jermar | 78 | |
| 3929 | jermar | 79 | static inline void pio_write_8(ioport8_t *port, uint8_t v) |
| 3880 | decky | 80 | { |
| 3953 | jermar | 81 | *port = v; |
| 3880 | decky | 82 | } |
| 83 | |||
| 3953 | jermar | 84 | static inline void pio_write_16(ioport16_t *port, uint16_t v) |
| 85 | { |
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| 86 | *port = v; |
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| 87 | } |
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| 88 | |||
| 89 | static inline void pio_write_32(ioport32_t *port, uint32_t v) |
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| 90 | { |
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| 91 | *port = v; |
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| 92 | } |
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| 93 | |||
| 3929 | jermar | 94 | static inline uint8_t pio_read_8(ioport8_t *port) |
| 3880 | decky | 95 | { |
| 3953 | jermar | 96 | return *port; |
| 3880 | decky | 97 | } |
| 98 | |||
| 3953 | jermar | 99 | static inline uint16_t pio_read_16(ioport16_t *port) |
| 100 | { |
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| 101 | return *port; |
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| 102 | } |
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| 103 | |||
| 104 | static inline uint32_t pio_read_32(ioport32_t *port) |
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| 105 | { |
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| 106 | return *port; |
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| 107 | } |
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| 108 | |||
| 1 | jermar | 109 | #endif |
| 1702 | cejka | 110 | |
| 1769 | jermar | 111 | /** @} |
| 1702 | cejka | 112 | */ |