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authorAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:13:48 +0100
committerAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:15:17 +0100
commita13e1c0911c0627184bc38f18c7fdda64447b3ad (patch)
tree073a62c09bf216e85a3f310376640fa1805147f9 /dev/kernel/HALKit/AMD64/HalControlRegister.s
parent149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff)
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/kernel/HALKit/AMD64/HalControlRegister.s')
-rw-r--r--dev/kernel/HALKit/AMD64/HalControlRegister.s45
1 files changed, 45 insertions, 0 deletions
diff --git a/dev/kernel/HALKit/AMD64/HalControlRegister.s b/dev/kernel/HALKit/AMD64/HalControlRegister.s
new file mode 100644
index 00000000..b94744f5
--- /dev/null
+++ b/dev/kernel/HALKit/AMD64/HalControlRegister.s
@@ -0,0 +1,45 @@
+/* -------------------------------------------
+
+ Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+.globl hal_write_cr3
+.globl hal_write_cr0
+.globl hal_read_cr2
+.globl hal_read_cr3
+.globl hal_read_cr0
+.globl hal_flush_tlb
+.globl hal_invl_tlb
+
+.text
+
+hal_invl_tlb:
+ invlpg (%rcx)
+ retq
+
+hal_flush_tlb:
+ call hal_read_cr3
+ mov %rax, %rcx
+ call hal_write_cr3
+ retq
+
+hal_read_cr3:
+ movq %cr3, %rax
+ retq
+
+hal_read_cr0:
+ movq %cr0, %rax
+ retq
+
+hal_read_cr2:
+ movq %cr2, %rax
+ retq
+
+hal_write_cr3:
+ movq %rcx, %cr3
+ retq
+
+hal_write_cr0:
+ movq %rcx, %cr0
+ retq