diff options
Diffstat (limited to 'dev/kernel/HALKit/ARM64/APM')
| -rw-r--r-- | dev/kernel/HALKit/ARM64/APM/APM+IO.cc | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/dev/kernel/HALKit/ARM64/APM/APM+IO.cc b/dev/kernel/HALKit/ARM64/APM/APM+IO.cc new file mode 100644 index 00000000..752f29f9 --- /dev/null +++ b/dev/kernel/HALKit/ARM64/APM/APM+IO.cc @@ -0,0 +1,37 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. + +------------------------------------------- */ + +#include <modules/APM/APM.h> +#include <KernelKit/LPC.h> + +using namespace NeOS; + +/// @brief Send APM command to it's space. +/// @param base_dma the IO base port. +/// @param cmd the command. +/// @return status code. +EXTERN_C Int32 apm_send_io_command(UInt16 cmd, APMPowerCmd value) +{ + switch (cmd) + { + case kAPMPowerCommandReboot: { + asm volatile( + "ldr x0, =0x84000004\n" + "svc #0\n"); + + return kErrorSuccess; + } + case kAPMPowerCommandShutdown: { + asm volatile( + "ldr x0, =0x84000008\n" + "svc #0\n"); + + return kErrorSuccess; + } + default: + return kErrorInvalidData; + } +} |
