From af8a516fc22865abd80d6e26f1541fa3d6bebfdc Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Thu, 9 May 2024 00:42:44 +0200
Subject: MHR-23: :boom:, refactors.

- Move NewBoot to /Boot, thus making Kernel directory only containing the kernel.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 Kernel/HALKit/AXP/CR.s                        | 11 +++++++++++
 Kernel/HALKit/AXP/CoreInterruptHandlerDEC.cpp |  0
 Kernel/HALKit/AXP/CoreSyscallHandlerDEC.cpp   | 20 ++++++++++++++++++++
 Kernel/HALKit/AXP/HAL.s                       | 13 +++++++++++++
 Kernel/HALKit/AXP/Processor.hpp               |  7 +++++++
 Kernel/HALKit/AXP/README                      |  1 +
 Kernel/HALKit/AXP/README.TXT                  |  1 +
 Kernel/HALKit/AXP/SYSCALL.s                   | 10 ++++++++++
 Kernel/HALKit/AXP/VM.s                        |  5 +++++
 9 files changed, 68 insertions(+)
 create mode 100644 Kernel/HALKit/AXP/CR.s
 create mode 100644 Kernel/HALKit/AXP/CoreInterruptHandlerDEC.cpp
 create mode 100644 Kernel/HALKit/AXP/CoreSyscallHandlerDEC.cpp
 create mode 100644 Kernel/HALKit/AXP/HAL.s
 create mode 100644 Kernel/HALKit/AXP/Processor.hpp
 create mode 100644 Kernel/HALKit/AXP/README
 create mode 100644 Kernel/HALKit/AXP/README.TXT
 create mode 100644 Kernel/HALKit/AXP/SYSCALL.s
 create mode 100644 Kernel/HALKit/AXP/VM.s

(limited to 'Kernel/HALKit/AXP')

diff --git a/Kernel/HALKit/AXP/CR.s b/Kernel/HALKit/AXP/CR.s
new file mode 100644
index 00000000..4d68257d
--- /dev/null
+++ b/Kernel/HALKit/AXP/CR.s
@@ -0,0 +1,11 @@
+.globl read_lr1
+.globl read_lr0
+
+.section .text
+    read_lr0:
+        movq %r30, %cr3
+        ret
+
+    hal_read_cr0:
+        movq %r30, %cr0
+        ret
\ No newline at end of file
diff --git a/Kernel/HALKit/AXP/CoreInterruptHandlerDEC.cpp b/Kernel/HALKit/AXP/CoreInterruptHandlerDEC.cpp
new file mode 100644
index 00000000..e69de29b
diff --git a/Kernel/HALKit/AXP/CoreSyscallHandlerDEC.cpp b/Kernel/HALKit/AXP/CoreSyscallHandlerDEC.cpp
new file mode 100644
index 00000000..c6ef29fc
--- /dev/null
+++ b/Kernel/HALKit/AXP/CoreSyscallHandlerDEC.cpp
@@ -0,0 +1,20 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#include <ArchKit/ArchKit.hpp>
+#include <HALKit/Alpha/Processor.hpp>
+
+NewOS::Array<void (*)(NewOS::Int32 id, NewOS::HAL::StackFrame*),
+			 kKernelMaxSystemCalls>
+	kSyscalls;
+
+extern "C" void rt_syscall_handle(NewOS::HAL::StackFrame* stack)
+{
+	for (NewOS::SizeT index = 0UL; index < kKernelMaxSystemCalls; ++index)
+	{
+		(kSyscalls[index].Leak().Leak())(stack->ID, stack);
+	}
+}
diff --git a/Kernel/HALKit/AXP/HAL.s b/Kernel/HALKit/AXP/HAL.s
new file mode 100644
index 00000000..0178527f
--- /dev/null
+++ b/Kernel/HALKit/AXP/HAL.s
@@ -0,0 +1,13 @@
+.globl rt_wait_400ns
+
+.section .text
+rt_wait_400ns:
+    jmp .L
+.L:
+	jmp .L2
+	wtint ;; wait for interrupt
+.L2:
+
+    ret
+
+
diff --git a/Kernel/HALKit/AXP/Processor.hpp b/Kernel/HALKit/AXP/Processor.hpp
new file mode 100644
index 00000000..38277317
--- /dev/null
+++ b/Kernel/HALKit/AXP/Processor.hpp
@@ -0,0 +1,7 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#pragma once
\ No newline at end of file
diff --git a/Kernel/HALKit/AXP/README b/Kernel/HALKit/AXP/README
new file mode 100644
index 00000000..91e7b134
--- /dev/null
+++ b/Kernel/HALKit/AXP/README
@@ -0,0 +1 @@
+This is for DEC Alpha.
diff --git a/Kernel/HALKit/AXP/README.TXT b/Kernel/HALKit/AXP/README.TXT
new file mode 100644
index 00000000..03c2b816
--- /dev/null
+++ b/Kernel/HALKit/AXP/README.TXT
@@ -0,0 +1 @@
+A Toy HAL to test the Kernel portability.
diff --git a/Kernel/HALKit/AXP/SYSCALL.s b/Kernel/HALKit/AXP/SYSCALL.s
new file mode 100644
index 00000000..19cab808
--- /dev/null
+++ b/Kernel/HALKit/AXP/SYSCALL.s
@@ -0,0 +1,10 @@
+.section .text
+system_handle_user_call:
+	.cfi_startproc
+
+	push %r0
+	jmp %r1
+	mov %r30, %r2
+
+	.cfi_endproc
+	retsys
\ No newline at end of file
diff --git a/Kernel/HALKit/AXP/VM.s b/Kernel/HALKit/AXP/VM.s
new file mode 100644
index 00000000..7024086b
--- /dev/null
+++ b/Kernel/HALKit/AXP/VM.s
@@ -0,0 +1,5 @@
+.global hal_flush_tlb
+
+.section .text
+hal_flush_tlb:
+	swppal
\ No newline at end of file
-- 
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