From 76e1fc60997c7a5f16b0541aae0b4d320fbf48ed Mon Sep 17 00:00:00 2001
From: Rafal Kupiec <belliash@codingworkshop.eu.org>
Date: Tue, 4 Jun 2024 21:36:09 +0200
Subject: [PATCH] Enable hardware layer initialization code
---
xtoskrnl/CMakeLists.txt | 1 +
xtoskrnl/hl/init.c | 34 ++++++++++++++++++++++++++++++++++
xtoskrnl/includes/hli.h | 4 ++++
xtoskrnl/ke/amd64/krnlinit.c | 10 ++++++++++
xtoskrnl/ke/i686/krnlinit.c | 10 ++++++++++
5 files changed, 59 insertions(+)
create mode 100644 xtoskrnl/hl/init.c
diff --git a/xtoskrnl/CMakeLists.txt b/xtoskrnl/CMakeLists.txt
index b9588b15..27031611 100644
--- a/xtoskrnl/CMakeLists.txt
+++ b/xtoskrnl/CMakeLists.txt
@@ -18,6 +18,7 @@ list(APPEND XTOSKRNL_SOURCE
${XTOSKRNL_SOURCE_DIR}/hl/cport.c
${XTOSKRNL_SOURCE_DIR}/hl/fbdev.c
${XTOSKRNL_SOURCE_DIR}/hl/globals.c
+ ${XTOSKRNL_SOURCE_DIR}/hl/init.c
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/cpu.c
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/pic.c
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/ioport.c
diff --git a/xtoskrnl/hl/init.c b/xtoskrnl/hl/init.c
new file mode 100644
index 00000000..7b14e519
--- /dev/null
+++ b/xtoskrnl/hl/init.c
@@ -0,0 +1,34 @@
+/**
+ * PROJECT: ExectOS
+ * COPYRIGHT: See COPYING.md in the top level directory
+ * FILE: xtoskrnl/hl/init.c
+ * DESCRIPTION: Hardware layer initialization code
+ * DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+/**
+ * Initializes the hardware layer subsystem
+ *
+ * @return This routine returns a status code.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+XTSTATUS
+HlInitializeSystem(VOID)
+{
+ XTSTATUS Status;
+
+ /* Initialize ACPI */
+ Status = HlpInitializeAcpi();
+ if(Status != STATUS_SUCCESS)
+ {
+ return Status;
+ }
+
+ /* Return success */
+ return STATUS_SUCCESS;
+}
diff --git a/xtoskrnl/includes/hli.h b/xtoskrnl/includes/hli.h
index 1ceecfc9..360cf643 100644
--- a/xtoskrnl/includes/hli.h
+++ b/xtoskrnl/includes/hli.h
@@ -68,6 +68,10 @@ XTAPI
VOID
HlInitializeProcessor();
+XTAPI
+XTSTATUS
+HlInitializeSystem(VOID);
+
XTAPI
VOID
HlPutCharacter(IN ULONG PositionX,
diff --git a/xtoskrnl/ke/amd64/krnlinit.c b/xtoskrnl/ke/amd64/krnlinit.c
index 863fcda6..d1b3977c 100644
--- a/xtoskrnl/ke/amd64/krnlinit.c
+++ b/xtoskrnl/ke/amd64/krnlinit.c
@@ -20,6 +20,16 @@ XTAPI
VOID
KepInitializeKernel(VOID)
{
+ XTSTATUS Status;
+
+ /* Initialize hardware layer subsystem */
+ Status = HlInitializeSystem();
+ if(Status != STATUS_SUCCESS)
+ {
+ /* Hardware layer initialization failed, kernel panic */
+ DebugPrint(L"Failed to initialize hardware layer subsystem!\n");
+ KePanic(0);
+ }
}
/**
diff --git a/xtoskrnl/ke/i686/krnlinit.c b/xtoskrnl/ke/i686/krnlinit.c
index e762941e..b10f9f8f 100644
--- a/xtoskrnl/ke/i686/krnlinit.c
+++ b/xtoskrnl/ke/i686/krnlinit.c
@@ -20,6 +20,16 @@ XTAPI
VOID
KepInitializeKernel(VOID)
{
+ XTSTATUS Status;
+
+ /* Initialize hardware layer subsystem */
+ Status = HlInitializeSystem();
+ if(Status != STATUS_SUCCESS)
+ {
+ /* Hardware layer initialization failed, kernel panic */
+ DebugPrint(L"Failed to initialize hardware layer subsystem!\n");
+ KePanic(0);
+ }
}
/**