From fb69c7b05894cee2b8bb691ead948798a0674059 Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Fri, 30 Apr 2021 10:43:44 +0200
Subject: Setup TSS segment

---
 src/boucane.hpp | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

(limited to 'src/boucane.hpp')

diff --git a/src/boucane.hpp b/src/boucane.hpp
index 125b192..db27420 100644
--- a/src/boucane.hpp
+++ b/src/boucane.hpp
@@ -10,22 +10,42 @@
 #include "libs/stdio.hpp"
 #include "libs/string.hpp"
 
+// ---- Debug
+#define DUMP(var) asm volatile("push $0xABC; push %0; push $0xABC; _%=:; jmp _%="::"r"(var))
+#define DUMP2(var1,var2) asm volatile("push $0xABC; push %0; push %1; push $0xABC; _%=:; jmp _%="::"a"(var1),"b"(var2))
+
+// Functions
+extern void (*printk)(char *str,...);
+
+typedef struct {
+    u32 reserved;
+    u64 rsp0;
+    u64 rsp1;
+    u64 rsp2;
+    u64 reserved2;
+    u64 ist1;
+    u64 ist2;
+    u64 ist3;
+    u64 ist4;
+    u64 ist5;
+    u64 ist6;
+    u64 ist7;
+    u64 reserved3;
+    u16 reserved4;
+    u16 iomap_address;
+} __attribute__((packed)) TSS;
+
 /// @brief Various variables from the linker
 extern u64 kvar_kernel_vma;
 extern u64 kvar_stack_pma;
 extern u64 kvar_userspace_pma;
 extern u64 kvar_bss_start;
 extern u64 kvar_bss_end;
+extern TSS kvar_tss;
+
 
 /// @brief Binary references
 extern u64 kvar_terminus_psf_start;
 extern u64 kvar_terminus_psf_end;
 extern u64 kvar_logo_bmp_start;
-extern u64 kvar_logo_bmp_end;
-
-// ---- Debug
-#define DUMP(var) asm volatile("push $0xABC; push %0; push $0xABC; _%=:; jmp _%="::"r"(var))
-#define DUMP2(var1,var2) asm volatile("push $0xABC; push %0; push %1; push $0xABC; _%=:; jmp _%="::"a"(var1),"b"(var2))
-
-
-extern void (*printk)(char *str,...);
\ No newline at end of file
+extern u64 kvar_logo_bmp_end;
\ No newline at end of file
-- 
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