source: trunk/hal/x86_64/core/hal_internal.h @ 203

Last change on this file since 203 was 203, checked in by max@…, 5 years ago

start moving the APIC code into the PIC driver

File size: 2.3 KB
Line 
1/*
2 * hal_internal.h - x86-specific function definitions
3 *
4 * Copyright (c) 2017 Maxime Villard
5 *
6 * This file is part of ALMOS-MKH.
7 *
8 * ALMOS-MKH is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2.0 of the License.
11 *
12 * ALMOS-MKH is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include <memcpy.h>
23
24#define offsetof(type, member) __builtin_offsetof(type, member)
25#define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
26#define rounddown(x,y) (((x)/(y))*(y))
27
28#define XASSERT(a)      \
29        if (!(a)) { \
30                x86_panic((char *)__func__); \
31        }
32
33/* hal_init.c */
34int idt_slot_alloc();
35void idt_slot_free(int slot);
36
37/* hal_cpu.S */
38void invlpg(vaddr_t va);
39void sti();
40void cli();
41uint64_t rdtsc();
42uint8_t in8(uint32_t port);
43uint16_t in16(uint32_t port);
44void out8(uint32_t port, uint8_t val);
45void out16(uint32_t port, uint16_t val);
46uint64_t rdmsr(uint32_t);
47void wrmsr(uint32_t, uint64_t);
48void mfence();
49vaddr_t rcr2(void);
50uint64_t rcr4(void);
51void lcr4(uint64_t);
52void cpuid(uint32_t eax, uint32_t ecx, uint32_t *desc);
53void tlbflushg();
54void tlbflush();
55
56uint32_t atomic_cas_32(volatile uint32_t *ptr, uint32_t exp, uint32_t new);
57uint32_t atomic_add_32(volatile uint32_t *ptr, int32_t incr);
58uint32_t atomic_and_32(volatile uint32_t *ptr, uint32_t mask);
59uint32_t atomic_or_32(volatile uint32_t *ptr, uint32_t mask);
60
61/* hal_gpt.c */
62paddr_t hal_gpt_bootstrap_palloc(size_t npages);
63vaddr_t hal_gpt_bootstrap_valloc(size_t npages);
64void hal_gpt_bootstrap_reset();
65size_t hal_gpt_bootstrap_uniformize();
66
67void hal_gpt_enter(vaddr_t va, paddr_t pa, pt_entry_t flags);
68void hal_gpt_enter_range(vaddr_t va, paddr_t pa, size_t n);
69void hal_gpt_leave(vaddr_t va);
70void hal_gpt_leave_range(vaddr_t va, size_t n);
71void hal_gpt_init(paddr_t firstpa);
72
73/* hal_special.c */
74
75/* x86_printf.c */
76void x86_panic(char *msg);
77void x86_putc(char c);
78void x86_printf(char *s, ...);
79
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