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authorAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2024-12-26 21:19:14 +0100
committerAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2024-12-26 21:19:14 +0100
commit486425ed00acec134f8799bdde64bfd093c5fb55 (patch)
tree5104af49b56f39d0b14941d76f9d6d746cd1677b /dev/Boot/src/HEL/AMD64/BootPlatform.cc
parentc0f7f3f300d603d355fc7ec5be317afe1f0ee1b6 (diff)
IMPL: A lot of new changes, see details.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Boot/src/HEL/AMD64/BootPlatform.cc')
-rw-r--r--dev/Boot/src/HEL/AMD64/BootPlatform.cc106
1 files changed, 106 insertions, 0 deletions
diff --git a/dev/Boot/src/HEL/AMD64/BootPlatform.cc b/dev/Boot/src/HEL/AMD64/BootPlatform.cc
new file mode 100644
index 00000000..5fe7d41f
--- /dev/null
+++ b/dev/Boot/src/HEL/AMD64/BootPlatform.cc
@@ -0,0 +1,106 @@
+
+/* -------------------------------------------
+
+ Copyright (C) 2024, Theater Quality Inc, all rights reserved.
+
+------------------------------------------- */
+
+#include <BootKit/Platform.h>
+#include <BootKit/Protocol.h>
+#include <BootKit/BootKit.h>
+
+#ifdef __BOOTLDR_STANDALONE__
+
+using namespace Boot;
+
+EXTERN_C void rt_hlt()
+{
+ asm volatile("hlt");
+}
+
+EXTERN_C void rt_cli()
+{
+ asm volatile("cli");
+}
+
+EXTERN_C void rt_sti()
+{
+ asm volatile("sti");
+}
+
+EXTERN_C void rt_cld()
+{
+ asm volatile("cld");
+}
+
+EXTERN_C void rt_std()
+{
+ asm volatile("std");
+}
+
+EXTERN_C void rt_out8(UInt16 port, UInt8 value)
+{
+ asm volatile("outb %%al, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+}
+
+EXTERN_C void rt_out16(UInt16 port, UInt16 value)
+{
+ asm volatile("outw %%ax, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+}
+
+EXTERN_C void rt_out32(UInt16 port, UInt32 value)
+{
+ asm volatile("outl %%eax, %1"
+ :
+ : "a"(value), "Nd"(port)
+ : "memory");
+}
+
+EXTERN_C UInt8 rt_in8(UInt16 port)
+{
+ UInt8 value;
+ asm volatile("inb %1, %%al"
+ : "=a"(value)
+ : "Nd"(port)
+ : "memory");
+
+ return value;
+}
+
+EXTERN_C UInt16 rt_in16(UInt16 port)
+{
+ UInt16 value;
+ asm volatile("inw %%dx, %%ax"
+ : "=a"(value)
+ : "d"(port));
+
+ return value;
+}
+
+EXTERN_C UInt32 rt_in32(UInt16 port)
+{
+ UInt32 value;
+ asm volatile("inl %1, %%eax"
+ : "=a"(value)
+ : "Nd"(port)
+ : "memory");
+
+ return value;
+}
+
+#else
+
+#include <HALKit/AMD64/Processor.h>
+
+void rt_hlt()
+{
+ Kernel::HAL::rt_halt();
+}
+
+#endif // __BOOTLDR_STANDALONE__