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author | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-09 17:39:41 +0100 |
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committer | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-09 17:40:03 +0100 |
commit | f2c51bc81d2aa618b29ddbeaae5ac1c5308821f0 (patch) | |
tree | fae67a79d5e60128d074550326a05216694a5848 /kernel/include/sys.h | |
parent | a5dfdd2b3fa91a2cda4f807c88bd35928e3c7a61 (diff) | |
download | kogata-f2c51bc81d2aa618b29ddbeaae5ac1c5308821f0.tar.gz kogata-f2c51bc81d2aa618b29ddbeaae5ac1c5308821f0.zip |
Reorganize all.
Diffstat (limited to 'kernel/include/sys.h')
-rw-r--r-- | kernel/include/sys.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/kernel/include/sys.h b/kernel/include/sys.h deleted file mode 100644 index c8721ec..0000000 --- a/kernel/include/sys.h +++ /dev/null @@ -1,57 +0,0 @@ -#pragma once - -#include <config.h> - -static inline void outb(uint16_t port, uint8_t value) { - asm volatile("outb %1, %0" : : "dN"(port), "a"(value)); -} - -static inline void outw(uint16_t port, uint16_t value) { - asm volatile("outw %1, %0" : : "dN"(port), "a"(value)); -} - -static inline uint8_t inb(uint16_t port) { - uint8_t ret; - asm volatile("inb %1, %0" : "=a"(ret) : "dN"(port)); - return ret; -} - -static inline uint16_t inw(uint16_t port) { - uint16_t ret; - asm volatile("inw %1, %0" : "=a"(ret) : "dN"(port)); - return ret; -} - -static inline void invlpg(void* addr) { - asm volatile("invlpg (%0)" : : "r"(addr) : "memory"); -} - -void panic(const char* message, const char* file, int line); -void panic_assert(const char* assertion, const char* file, int line); -#define PANIC(s) panic(s, __FILE__, __LINE__); -#define ASSERT(s) { if (!(s)) panic_assert(#s, __FILE__, __LINE__); } - -#define BOCHS_BREAKPOINT asm volatile("xchg %bx, %bx") - - -// Utility functions for memory alignment - -#define PAGE_SIZE 0x1000 -#define PAGE_MASK 0xFFFFF000 -#define PAGE_ALIGN_DOWN(x) (((size_t)x) & PAGE_MASK) -#define PAGE_ALIGN_UP(x) ((((size_t)x)&(~PAGE_MASK)) == 0 ? ((size_t)x) : (((size_t)x) & PAGE_MASK) + PAGE_SIZE) -#define PAGE_ID(x) (((size_t)x) / PAGE_SIZE) -#define PAGE_SHIFT 12 -#define PT_SHIFT 10 -// PAGE_SHIFT + PT_SHIFT + PT_SHIFT = 32 -#define N_PAGES_IN_PT 1024 -#define PD_MIRROR_ADDR 0xFFC00000 // last 4MB used for PD mirroring -#define LAST_KERNEL_ADDR PD_MIRROR_ADDR -#define FIRST_KERNEL_PT (K_HIGHHALF_ADDR >> (PAGE_SHIFT+PT_SHIFT)) // must be 768 - -#define MASK4 0xFFFFFFFC -#define ALIGN4_UP(x) ((((size_t)x)&(~MASK4)) == 0 ? ((size_t)x) : (((size_t)x) & MASK4) + 4) -#define ALIGN4_DOWN(x) (((size_t)x)&MASK4) - - -/* vim: set ts=4 sw=4 tw=0 noet :*/ |