From 66289aa8ecfa07b20bad424eb9860b196641ef52 Mon Sep 17 00:00:00 2001
From: Brett Weiland <brett_weiland@bpcspace.com>
Date: Fri, 19 Mar 2021 10:54:25 -0500
Subject: first commit

---
 src/kernel/kernel.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 src/kernel/kernel.c

(limited to 'src/kernel/kernel.c')

diff --git a/src/kernel/kernel.c b/src/kernel/kernel.c
new file mode 100644
index 0000000..8db2e50
--- /dev/null
+++ b/src/kernel/kernel.c
@@ -0,0 +1,42 @@
+#include <stdbool.h>
+#include <serial.h>
+#include <printf.h>
+#include <paging.h>
+#include <video.h>
+#include <acpi.h>
+
+void panic() { // will fill with debugging info latter
+  printf("Kernel panic!\n");
+  for(;;);
+}
+
+
+void main() {
+  if(!(init_serial(COM1))) {
+    printf("\nKernal started on CPU 1!\n"); // will detect cpu later
+  }
+
+  rsdp_t *rsdp;
+  struct memory_table *table = (struct memory_table *)&_meminfo_loc;
+  struct vbe_infoblock *vbe_info = (struct vbe_infoblock *)0x500;
+  debug_print_memory();
+
+  rsdp = find_RSDP();
+  if(!(rsdp)) {
+    printf("Couldn't find the RSDP... uhh, not sure what to do now.\n");
+    panic();
+  }
+  dump_video();
+  
+  if(rsdp->v1.version) { 
+    map_page(0x200000, (rsdp->v2.xsdt_addr / 0x1000) * 0x1000, PAGE_SIZE_4K);
+  }
+  else {
+    map_page(0x200000, (rsdp->v1.rsdt_addr / 0x1000) * 0x1000, PAGE_SIZE_4K);
+    struct acpi_header *acpi = (struct acpi_header *)((uint64_t)0x200000 + (rsdp->v1.rsdt_addr % 0x1000));
+  }
+
+  printf("kernel is done, you can ignore this panic\n");
+  panic();
+
+}
-- 
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