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| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-12-26 21:19:14 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-12-26 21:19:14 +0100 |
| commit | 486425ed00acec134f8799bdde64bfd093c5fb55 (patch) | |
| tree | 5104af49b56f39d0b14941d76f9d6d746cd1677b /dev/Boot/src/HEL/AMD64/BootPlatform.cc | |
| parent | c0f7f3f300d603d355fc7ec5be317afe1f0ee1b6 (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.cc | 106 |
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__ |
