From 5b1460d6516940d285c554d6178ab52abf04312d Mon Sep 17 00:00:00 2001
From: Ada Christine <adachristine18@gmail.com>
Date: Thu, 30 Dec 2021 11:13:24 +0000
Subject: pass the whole boot data struct to memory_init for my sanity

---
 kc/core/kc_main.c |  2 +-
 kc/core/memory.c  | 19 +++++++++++--------
 kc/core/memory.h  |  3 ++-
 3 files changed, 14 insertions(+), 10 deletions(-)

(limited to 'kc/core')

diff --git a/kc/core/kc_main.c b/kc/core/kc_main.c
index 814b0e0..d8ccc11 100644
--- a/kc/core/kc_main.c
+++ b/kc/core/kc_main.c
@@ -16,7 +16,7 @@ unsigned long kc_main(struct kc_boot_data *data)
     cpu_init();
     serial_init();
     kputs("<hacker voice> i'm in 3333\r\n");
-    memory_init(data->phys_memory_map.base, data->phys_memory_map.entries);
+    memory_init(data);
     halt();
 }
 
diff --git a/kc/core/memory.c b/kc/core/memory.c
index 920fc87..1e405bc 100644
--- a/kc/core/memory.c
+++ b/kc/core/memory.c
@@ -4,8 +4,6 @@
 
 #include <stdint.h>
 
-#include <kernel/entry.h>
-#include <kernel/memory/paging.h>
 #include <kernel/component.h>
 
 /* kernel virtual space guarantees
@@ -92,7 +90,7 @@ static struct memory_range init_grab_pages(struct memory_range *ranges,
 {
     struct memory_range request = {SYSTEM_MEMORY,
                                    0,
-                                   align_next(size, PAGE_SIZE)};
+                                   align_next(size, page_size(1))};
     
     for (int i = 0; i < count; i++)
     {
@@ -349,15 +347,15 @@ static void *page_map_at(void *vaddr,
 
 #define KERNEL_OBJECT_SPACE_EXTENT 0x1000000 // 16MiB for kernel object space?
 
-void memory_init(struct memory_range *ranges, size_t count)
+void memory_init(struct kc_boot_data *boot_data)
 {
-    init_create_page_array(ranges, count);
+    init_create_page_array(boot_data->phys_memory_map.base,
+            boot_data->phys_memory_map.entries);
 
     core_code_space = init_system_space(&kc_text_begin, &kc_text_end);
     core_static_space = init_system_space(&kc_data_begin, &kc_data_end);
-    core_object_space = init_anonymous_space(&kc_data_end,
-            (void *)page_align(&kc_data_end + KERNEL_OBJECT_SPACE_EXTENT,
-                2));
+    core_object_space = init_anonymous_space(boot_data->object_space.base,
+            (void *)page_align(&kc_data_end + KERNEL_OBJECT_SPACE_EXTENT, 2));
 
     root_memory_space = &core_code_space;
 
@@ -367,6 +365,11 @@ void memory_init(struct memory_range *ranges, size_t count)
     core_static_space.next = &core_object_space;
     core_object_space.prev = &core_static_space;
     core_object_space.next = NULL;
+
+    // XXX: testing testing 123
+
+    char *test = (char *)core_object_space.head - page_size(1);
+    *test = 'a';
 }
 
 void *page_map(phys_addr_t paddr, enum page_map_flags flags)
diff --git a/kc/core/memory.h b/kc/core/memory.h
index c882d6a..a4488cf 100644
--- a/kc/core/memory.h
+++ b/kc/core/memory.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <kernel/entry.h>
 #include <kernel/memory/paging.h>
 #include <kernel/memory/range.h>
 
@@ -20,7 +21,7 @@ enum page_map_flags
     SIZE_MASK = 0xc,
 };
 
-void memory_init(struct memory_range *ranges, size_t count);
+void memory_init(struct kc_boot_data *boot_data);
 
 void *memcpy(void *dest, const void *src, size_t size);
 void *memmove(void *dest, const void *src, size_t size);
-- 
cgit v1.3.1-1-g115d