program loading, others

big kernel additions: paging, elf loading, separate kernel and user page allocation
it now properly loads and runs sd0:bin/init.elf
still need to determine which disk was booted from, and start the init on that disk

1 files changed, 0 insertions, 157 deletions

diff --git a/src/user/include/pland.h b/src/user/include/pland.h
deleted file mode 100644
index f174a51..0000000
--- a/src/user/include/pland.h
+++ /dev/null
@@ -1,157 +0,0 @@
-#ifndef PLAND_H
-#define PLAND_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-typedef uint8_t fs_handle;
-typedef uint8_t task_handle;
-
-static inline void exit() __attribute__ ((noreturn)) {
-  asm volatile ("int $0x30");
-  __builtin_unreachable();
-}
-
-static inline void yield() {
-  asm volatile ("int $0x31");
-}
-
-static inline uint32_t data_extend(uint32_t amount) {
-  uint32_t actual_amount;
-  asm volatile (
-    "int $0x33"
-  : "eax" (actual_amount) : "eax" (amount));
-  return actual_amount;
-}
-
-static inline void vga_blank() {
-  asm volatile (
-    "xor %%eax, %%eax\n"
-    "int $0x32"
-  : : : "eax");
-}
-
-static inline void vga_set_color(uint8_t color) {
-  asm volatile (
-    "mov $0x1, %%eax\n"
-    "int $0x32"
-  : : "ebx" (color) : "eax");
-}
-
-static inline void vga_printch(uint8_t ch) {
-  asm volatile (
-    "mov $0x2, %%eax\n"
-    "int $0x32"
-  : : "ebx" (ch) : "eax");
-}
-
-static inline void vga_printsz(uint8_t *sz) {
-  asm volatile (
-    "mov $0x3, %%eax\n"
-    "int $0x32"
-  : : "ebx" (sz) : "eax");
-}
-
-static inline void vga_printsn(uint8_t *sn, uint8_t length) {
-  asm volatile (
-    "mov $0x4, %%eax\n"
-    "int $0x32"
-  : : "ebx" (sn), "ecx" (length) : "eax");
-}
-
-static inline fs_handle fs_open(uint8_t *path) {
-  fs_handle handle;
-  asm volatile (
-    "mov $0x5, %%eax\n"
-    "int $0x32"
-  : "eax" (handle) : "ebx" (path));
-  return handle;
-}
-
-static inline fs_handle fs_open_root() {
-  fs_handle handle;
-  asm volatile (
-    "mov $0x6, %%eax\n"
-    "int $0x32"
-  : "eax" (handle));
-  return handle;
-}
-
-static inline fs_handle fs_new(uint8_t *path) {
-  fs_handle handle;
-  asm volatile (
-    "mov $0x7, %%eax\n"
-    "int $0x32"
-  : "eax" (handle) : "ebx" (path));
-  return handle;
-}
-
-static inline void fs_close(fs_handle handle) {
-  asm volatile (
-    "mov $0x8, %%eax\n"
-    "int $0x32"
-  : : "ebx" (handle) : "eax");
-}
-
-static inline void fs_delete(uint8_t *path) {
-  asm volatile (
-    "mov $0x9, %%eax\n"
-    "int $0x32"
-  : : "ebx" (path) : "eax");
-}
-
-static inline bool fs_exists(uint8_t *path) {
-  bool does;
-  asm volatile (
-    "mov $0xa, %%eax\n"
-    "int $0x32"
-  : "eax" (does) : "ebx" (path));
-  return does;
-}
-
-static inline int32_t fs_seek(fs_handle handle, int32_t by) {
-  int32_t seeked_by;
-  asm volatile (
-    "mov $0xb, %%eax\n"
-    "int $0x32"
-  : "eax" (seeked_by) : "ebx" (handle), "ecx" (by));
-  return seeked_by;
-}
-
-static inline uint32_t fs_tell(fs_handle handle) {
-  uint32_t position;
-  asm volatile (
-    "mov $0xc, %%eax\n"
-    "int $0x32"
-  : "eax" (position) : "ebx" (handle));
-  return position;
-}
-
-static inline uint32_t fs_read(fs_handle handle, uint32_t max, void *buffer) {
-  uint32_t read;
-  asm volatile (
-    "mov %0xd, %%eax\n"
-    "int $0x32"
-  : "eax" (read) : "ebx" (handle), "ecx" (max), "edx" (buffer) : "memory");
-  return read;
-}
-
-static inline uint32_t fs_write(fs_handle handle, uint32_t max, void *buffer) {
-  uint32_t written;
-  asm volatile (
-    "mov %0xe, %%eax\n"
-    "int $0x32"
-  : "eax" (written) : "ebx" (handle), "ecx" (max), "edx" (buffer));
-  return written;
-}
-
-static inline task_handle plef_run(uint8_t *image_path) {
-  task_handle handle;
-  asm volatile (
-    "mov %0xf, %%eax\n"
-    "int $0x32"
-  : "eax" (handle) : "ebx" (image_path));
-  return handle;
-}
-
-#endif