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memory thing

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This commit is contained in:
spikey 2024-02-18 11:14:38 -05:00
parent bbf6441108
commit 0892eb841c
3 changed files with 7 additions and 4 deletions
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3
sys/include/memory.h
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@ -28,6 +28,7 @@
#define STACK_START 0x000b8fa0 #define STACK_START 0x000b8fa0
#define STACK_END 0x000fffff #define STACK_END 0x000fffff
#define PR_START 0x00100000 #define PR_START 0x00100000
#define MALLOC_END 0x00100fff
#define PHYSMEMTOP 0x0e000000 #define PHYSMEMTOP 0x0e000000
struct allocated { struct allocated {
@ -35,4 +36,6 @@ struct allocated {
s32 size; s32 size;
} }
void memory_init(void);
#endif #endif

5
sys/memory.c
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@ -7,7 +7,10 @@ void
memory_init(void) memory_init(void)
{ {
u32 esp, ebp; u32 esp, ebp;
ebp = 0x8B7F0; ebp = STACK_START;
esp = STACK_START;
} }
void *malloc(s32 size) { void *malloc(s32 size) {

3
sys/sysinit.c
View File

@ -6,13 +6,10 @@ void
sysinit(void) sysinit(void)
{ {
char *howdy = "Om Smart."; char *howdy = "Om Smart.";
char *howday = "Om Smarter.";
vga_clearscreen(); vga_clearscreen();
vga_write("Starting omOS...", 16, 0x0F); vga_write("Starting omOS...", 16, 0x0F);
memory_init(); memory_init();
s8 *start = (s8 *) 0xb8fa0;
start[0] = 'h';
} }