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omos-tcnj2024
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memory stub

This commit is contained in:
spikey 2024-02-18 11:03:57 -05:00
parent d1f512e3a0
commit bbf6441108
3 changed files with 17 additions and 0 deletions
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8
sys/include/memory.h
View File

@ -22,6 +22,14 @@
#define START 0xb80f0 #define START 0xb80f0
#define SIZE 16384 #define SIZE 16384
/*
* How memory is mapped
*/
#define STACK_START 0x000b8fa0
#define STACK_END 0x000fffff
#define PR_START 0x00100000
#define PHYSMEMTOP 0x0e000000
struct allocated { struct allocated {
void *ref; void *ref;
s32 size; s32 size;

7
sys/memory.c
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@ -3,6 +3,13 @@
u32 curr = START; u32 curr = START;
void
memory_init(void)
{
u32 esp, ebp;
ebp = 0x8B7F0;
}
void *malloc(s32 size) { void *malloc(s32 size) {
u32 addr = curr; u32 addr = curr;
curr += size; curr += size;

2
sys/sysinit.c
View File

@ -11,6 +11,8 @@ sysinit(void)
vga_clearscreen(); vga_clearscreen();
vga_write("Starting omOS...", 16, 0x0F); vga_write("Starting omOS...", 16, 0x0F);
memory_init();
s8 *start = (s8 *) 0xb8fa0; s8 *start = (s8 *) 0xb8fa0;
start[0] = 'h'; start[0] = 'h';
} }