From b8ddb9b87165f7a3269364690f22e14a1ca43805 Mon Sep 17 00:00:00 2001
From: Braiden Vasco <braiden-vasco@users.noreply.github.com>
Date: Sat, 4 Nov 2017 12:12:20 +0000
Subject: [PATCH] Display more info

---
 arch/init.c    |  5 +++++
 arch/linker.ld |  2 ++
 arch/main.c    | 18 ++++++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/arch/init.c b/arch/init.c
index 5bd83b1..1a76f53 100644
--- a/arch/init.c
+++ b/arch/init.c
@@ -5,6 +5,7 @@
 
 // Defined in linker script
 extern char _kernel_offset;
+extern char _kernel_size;
 extern char _kernel_phys_base;
 extern char _kernel_virt_base;
 
@@ -23,9 +24,13 @@ const struct KernelMQ_Info *init(unsigned long multiboot_magic, unsigned long mu
     }
 
     kinfo.kernel_offset = (unsigned long)&_kernel_offset;
+    kinfo.kernel_size   = (unsigned long)&_kernel_size;
 
     kinfo.kernel_phys_base = (unsigned long)&_kernel_phys_base;
     kinfo.kernel_virt_base = (unsigned long)&_kernel_virt_base;
 
+    kinfo.kernel_phys_limit = kinfo.kernel_phys_base + kinfo.kernel_size - 1;
+    kinfo.kernel_virt_limit = kinfo.kernel_virt_base + kinfo.kernel_size - 1;
+
     return &kinfo;
 }
diff --git a/arch/linker.ld b/arch/linker.ld
index 173a51c..06bd991 100644
--- a/arch/linker.ld
+++ b/arch/linker.ld
@@ -31,4 +31,6 @@ SECTIONS
         *(COMMON)
         *(.bss)
     }
+
+    _kernel_size = .;
 }
diff --git a/arch/main.c b/arch/main.c
index 1dc4d7c..5f57430 100644
--- a/arch/main.c
+++ b/arch/main.c
@@ -25,6 +25,24 @@ void main(const struct KernelMQ_Info *const kinfo_ptr)
 
     kprintf("Kernel command line: %s\n", kinfo.cmdline);
 
+    kprintf(
+        "Kernel phys base 0x%x, limit 0x%x\n",
+        kinfo.kernel_phys_base,
+        kinfo.kernel_phys_limit
+    );
+
+    kprintf(
+        "Kernel virt base 0x%x, limit 0x%x\n",
+        kinfo.kernel_virt_base,
+        kinfo.kernel_virt_limit
+    );
+
+    kprintf(
+        "Kernel size 0x%x, offset 0x%x\n",
+        kinfo.kernel_size,
+        kinfo.kernel_offset
+    );
+
     for (unsigned int i = 0; i < kinfo.modules_count; ++i) {
         struct KernelMQ_Info_Module *module = &kinfo.modules[i];