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Annotation of qemu/roms/qemu-palcode/protos.h, revision 1.1

1.1     ! root        1: /* Declarations common the the C portions of the QEMU PALcode console.
        !             2: 
        !             3:    Copyright (C) 2011 Richard Henderson
        !             4: 
        !             5:    This file is part of QEMU PALcode.
        !             6: 
        !             7:    This program is free software; you can redistribute it and/or modify
        !             8:    it under the terms of the GNU General Public License as published by
        !             9:    the Free Software Foundation; either version 2 of the License or
        !            10:    (at your option) any later version.
        !            11: 
        !            12:    This program is distributed in the hope that it will be useful,
        !            13:    but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the text
        !            15:    of the GNU General Public License for more details.
        !            16: 
        !            17:    You should have received a copy of the GNU General Public License
        !            18:    along with this program; see the file COPYING.  If not see
        !            19:    <http://www.gnu.org/licenses/>.  */
        !            20: 
        !            21: #ifndef PROTOS_H
        !            22: #define PROTOS_H 1
        !            23: 
        !            24: #include <stdint.h>
        !            25: #include <stdbool.h>
        !            26: #include <stddef.h>
        !            27: #include <string.h>
        !            28: 
        !            29: 
        !            30: /*
        !            31:  * Call_Pal functions.
        !            32:  */
        !            33: 
        !            34: static inline void wrent(void *cb, unsigned long which)
        !            35: {
        !            36:   register void *a0 __asm__("$16") = cb;
        !            37:   register unsigned long a1 __asm__("$17") = which;
        !            38: 
        !            39:   asm volatile ("call_pal 0x34"
        !            40:                : "+r"(a0), "+r"(a1)
        !            41:                : : "$1", "$22", "$23", "$24", "$25");
        !            42: }
        !            43: 
        !            44: static inline unsigned long swpipl(unsigned long newipl)
        !            45: {
        !            46:   register unsigned long v0 __asm__("$0");
        !            47:   register unsigned long a0 __asm__("$16") = newipl;
        !            48: 
        !            49:   asm volatile ("call_pal 0x35"
        !            50:                : "=r"(v0), "+r"(a0)
        !            51:                : : "$1", "$22", "$23", "$24", "$25");
        !            52: 
        !            53:   return v0;
        !            54: }
        !            55: 
        !            56: static inline unsigned long rdps(void)
        !            57: {
        !            58:   register unsigned long v0 __asm__("$0");
        !            59: 
        !            60:   asm volatile ("call_pal 0x36"
        !            61:                : "=r"(v0) : : "$1", "$22", "$23", "$24", "$25");
        !            62: 
        !            63:   return v0;
        !            64: }
        !            65: 
        !            66: static inline void wrkgp(void)
        !            67: {
        !            68:   asm volatile ("mov $29, $16\n\tcall_pal 0x37"
        !            69:                : : : "$16", "$1", "$22", "$23", "$24", "$25");
        !            70: }
        !            71: 
        !            72: static inline unsigned long wtint(unsigned long skip)
        !            73: {
        !            74:   register unsigned long v0 __asm__("$0");
        !            75:   register unsigned long a0 __asm__("$16") = skip;
        !            76: 
        !            77:   asm volatile ("call_pal 0x3e"
        !            78:                : "=r"(v0), "+r"(a0)
        !            79:                : : "$1", "$22", "$23", "$24", "$25");
        !            80: 
        !            81:   return v0;
        !            82: }
        !            83: 
        !            84: /* 
        !            85:  * Cserve functions.
        !            86:  */
        !            87: 
        !            88: static inline unsigned long ldq_p(unsigned long addr)
        !            89: {
        !            90:   register unsigned long v0 __asm__("$0");
        !            91:   register unsigned long a0 __asm__("$16") = 1;
        !            92:   register unsigned long a1 __asm__("$17") = addr;
        !            93: 
        !            94:   asm volatile ("call_pal 9"
        !            95:                : "=r"(v0), "+r"(a0), "+r"(a1) :
        !            96:                : "$18", "$19", "$20", "$21");
        !            97: 
        !            98:   return v0;
        !            99: }
        !           100: 
        !           101: static inline unsigned long stq_p(unsigned long port, unsigned long val)
        !           102: {
        !           103:   register unsigned long v0 __asm__("$0");
        !           104:   register unsigned long a0 __asm__("$16") = 2;
        !           105:   register unsigned long a1 __asm__("$17") = port;
        !           106:   register unsigned long a2 __asm__("$18") = val;
        !           107: 
        !           108:   asm volatile ("call_pal 9"
        !           109:                : "=r"(v0), "+r"(a0), "+r"(a1), "+r"(a2) :
        !           110:                : "$19", "$20", "$21");
        !           111: 
        !           112:   return v0;
        !           113: }
        !           114: 
        !           115: static inline unsigned long get_wall_time(void)
        !           116: {
        !           117:   register unsigned long v0 __asm__("$0");
        !           118:   register unsigned long a0 __asm__("$16") = 3;
        !           119: 
        !           120:   asm("call_pal 9" : "=r"(v0), "+r"(a0) : : "$17", "$18", "$19", "$20", "$21");
        !           121: 
        !           122:   return v0;
        !           123: }
        !           124: 
        !           125: static inline unsigned long get_alarm(void)
        !           126: {
        !           127:   register unsigned long v0 __asm__("$0");
        !           128:   register unsigned long a0 __asm__("$16") = 4;
        !           129: 
        !           130:   asm("call_pal 9" : "=r"(v0), "+r"(a0) : : "$17", "$18", "$19", "$20", "$21");
        !           131: 
        !           132:   return v0;
        !           133: }
        !           134: 
        !           135: static inline void set_alarm_rel(unsigned long nsec)
        !           136: {
        !           137:   register unsigned long a0 __asm__("$16") = 5;
        !           138:   register unsigned long a1 __asm__("$17") = nsec;
        !           139: 
        !           140:   asm volatile ("call_pal 9"
        !           141:                : "+r"(a0), "+r"(a1)
        !           142:                : : "$0", "$18", "$19", "$20", "$21");
        !           143: }
        !           144: 
        !           145: static inline void set_alarm_abs(unsigned long nsec)
        !           146: {
        !           147:   register unsigned long a0 __asm__("$16") = 6;
        !           148:   register unsigned long a1 __asm__("$17") = nsec;
        !           149: 
        !           150:   asm volatile ("call_pal 9"
        !           151:                : "+r"(a0), "+r"(a1)
        !           152:                : : "$0", "$18", "$19", "$20", "$21");
        !           153: }
        !           154: 
        !           155: /*
        !           156:  * I/O functions
        !           157:  */
        !           158: 
        !           159: extern void *pci_io_base;
        !           160: extern void *pci_mem_base;
        !           161: 
        !           162: static inline uint8_t inb(unsigned long port)
        !           163: {
        !           164:   return *(volatile uint8_t *)(pci_io_base + port);
        !           165: }
        !           166: 
        !           167: static inline uint16_t inw(unsigned long port)
        !           168: {
        !           169:   return *(volatile uint16_t *)(pci_io_base + port);
        !           170: }
        !           171: 
        !           172: static inline uint32_t inl(unsigned long port)
        !           173: {
        !           174:   return *(volatile uint32_t *)(pci_io_base + port);
        !           175: }
        !           176: 
        !           177: static inline void outb(uint8_t val, unsigned long port)
        !           178: {
        !           179:   *(volatile uint8_t *)(pci_io_base + port) = val;
        !           180: }
        !           181: 
        !           182: static inline void outw(uint16_t val, unsigned long port)
        !           183: {
        !           184:   *(volatile uint16_t *)(pci_io_base + port) = val;
        !           185: }
        !           186: 
        !           187: static inline void outl(uint32_t val, unsigned long port)
        !           188: {
        !           189:   *(volatile uint32_t *)(pci_io_base + port) = val;
        !           190: }
        !           191: 
        !           192: /*
        !           193:  * CRB functions
        !           194:  */
        !           195: 
        !           196: extern unsigned long crb_dispatch(long select, long a1, long a2,
        !           197:                                   long a3, long a4);
        !           198: extern unsigned long crb_fixup(unsigned long vptptr, unsigned long hwrpb);
        !           199: 
        !           200: /*
        !           201:  * The Console
        !           202:  */
        !           203: 
        !           204: extern bool have_vga;
        !           205: 
        !           206: extern void do_console(void);
        !           207: extern void entInt(void);
        !           208: 
        !           209: /*
        !           210:  * Utils
        !           211:  */
        !           212: 
        !           213: extern int printf(const char *, ...);
        !           214: extern void ndelay(unsigned long nsec);
        !           215: 
        !           216: static inline void udelay(unsigned long msec)
        !           217: {
        !           218:   ndelay(msec * 1000);
        !           219: }
        !           220: 
        !           221: /*
        !           222:  * Initialization
        !           223:  */
        !           224: extern void ps2port_setup(void);
        !           225: extern void pci_setup(void);
        !           226: 
        !           227: #endif /* PROTOS_H */

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