228 lines
5 KiB
C
228 lines
5 KiB
C
/* Declarations common the the C portions of the QEMU PALcode console.
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Copyright (C) 2011 Richard Henderson
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This file is part of QEMU PALcode.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the text
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of the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef PROTOS_H
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#define PROTOS_H 1
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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/*
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* Call_Pal functions.
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*/
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static inline void wrent(void *cb, unsigned long which)
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{
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register void *a0 __asm__("$16") = cb;
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register unsigned long a1 __asm__("$17") = which;
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asm volatile ("call_pal 0x34"
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: "+r"(a0), "+r"(a1)
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: : "$1", "$22", "$23", "$24", "$25");
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}
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static inline unsigned long swpipl(unsigned long newipl)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = newipl;
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asm volatile ("call_pal 0x35"
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: "=r"(v0), "+r"(a0)
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: : "$1", "$22", "$23", "$24", "$25");
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return v0;
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}
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static inline unsigned long rdps(void)
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{
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register unsigned long v0 __asm__("$0");
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asm volatile ("call_pal 0x36"
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: "=r"(v0) : : "$1", "$22", "$23", "$24", "$25");
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return v0;
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}
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static inline void wrkgp(void)
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{
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asm volatile ("mov $29, $16\n\tcall_pal 0x37"
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: : : "$16", "$1", "$22", "$23", "$24", "$25");
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}
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static inline unsigned long wtint(unsigned long skip)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = skip;
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asm volatile ("call_pal 0x3e"
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: "=r"(v0), "+r"(a0)
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: : "$1", "$22", "$23", "$24", "$25");
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return v0;
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}
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/*
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* Cserve functions.
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*/
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static inline unsigned long ldq_p(unsigned long addr)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = 1;
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register unsigned long a1 __asm__("$17") = addr;
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asm volatile ("call_pal 9"
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: "=r"(v0), "+r"(a0), "+r"(a1) :
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: "$18", "$19", "$20", "$21");
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return v0;
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}
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static inline unsigned long stq_p(unsigned long port, unsigned long val)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = 2;
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register unsigned long a1 __asm__("$17") = port;
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register unsigned long a2 __asm__("$18") = val;
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asm volatile ("call_pal 9"
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: "=r"(v0), "+r"(a0), "+r"(a1), "+r"(a2) :
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: "$19", "$20", "$21");
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return v0;
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}
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static inline unsigned long get_wall_time(void)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = 3;
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asm("call_pal 9" : "=r"(v0), "+r"(a0) : : "$17", "$18", "$19", "$20", "$21");
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return v0;
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}
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static inline unsigned long get_alarm(void)
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{
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register unsigned long v0 __asm__("$0");
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register unsigned long a0 __asm__("$16") = 4;
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asm("call_pal 9" : "=r"(v0), "+r"(a0) : : "$17", "$18", "$19", "$20", "$21");
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return v0;
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}
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static inline void set_alarm_rel(unsigned long nsec)
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{
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register unsigned long a0 __asm__("$16") = 5;
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register unsigned long a1 __asm__("$17") = nsec;
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asm volatile ("call_pal 9"
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: "+r"(a0), "+r"(a1)
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: : "$0", "$18", "$19", "$20", "$21");
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}
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static inline void set_alarm_abs(unsigned long nsec)
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{
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register unsigned long a0 __asm__("$16") = 6;
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register unsigned long a1 __asm__("$17") = nsec;
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asm volatile ("call_pal 9"
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: "+r"(a0), "+r"(a1)
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: : "$0", "$18", "$19", "$20", "$21");
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}
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/*
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* I/O functions
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*/
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extern void *pci_io_base;
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extern void *pci_mem_base;
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static inline uint8_t inb(unsigned long port)
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{
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return *(volatile uint8_t *)(pci_io_base + port);
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}
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static inline uint16_t inw(unsigned long port)
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{
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return *(volatile uint16_t *)(pci_io_base + port);
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}
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static inline uint32_t inl(unsigned long port)
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{
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return *(volatile uint32_t *)(pci_io_base + port);
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}
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static inline void outb(uint8_t val, unsigned long port)
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{
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*(volatile uint8_t *)(pci_io_base + port) = val;
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}
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static inline void outw(uint16_t val, unsigned long port)
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{
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*(volatile uint16_t *)(pci_io_base + port) = val;
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}
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static inline void outl(uint32_t val, unsigned long port)
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{
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*(volatile uint32_t *)(pci_io_base + port) = val;
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}
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/*
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* CRB functions
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*/
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extern unsigned long crb_dispatch(long select, long a1, long a2,
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long a3, long a4);
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extern unsigned long crb_fixup(unsigned long vptptr, unsigned long hwrpb);
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/*
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* The Console
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*/
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extern bool have_vga;
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extern void do_console(void);
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extern void entInt(void);
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/*
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* Utils
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*/
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extern int printf(const char *, ...);
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extern void ndelay(unsigned long nsec);
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static inline void udelay(unsigned long msec)
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{
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ndelay(msec * 1000);
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}
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/*
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* Initialization
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*/
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extern void ps2port_setup(void);
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extern void pci_setup(void);
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extern void vgahw_init(void);
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#endif /* PROTOS_H */
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