aa64cpu.c File Reference

#include <stdint.h>
#include <Hal/AA64/aa64lowlevel.h>
#include <Hal/AA64/aa64cpu.h>
#include <Hal/AA64/vector.h>
#include <Hal/AA64/gic.h>
#include <aucon.h>
#include <Hal/basicacpi.h>
#include <Drivers/uart.h>
#include <Drivers/rtcmmio.h>
#include <kernelAA64.h>
#include <Board/board.h>

Include dependency graph for aa64cpu.c:

Macros
#define	CACHE_LINE_SIZE   64

Functions
uint64_t	AA64GetPhysicalTimerCount ()
void	AA64FPUNeonEnable ()
	AA64FPUNeonEnable – initialize FPU and NEON feature.
void	AA64ClockInitialize ()
	AA64ClockInitialize – initialize the clock.
void	aa64_data_cache_clean_range (void *addr, size_t size)
void	AA64CPUImplementer (uint32_t midr)
void	AA64SleepUS (uint32_t us)
	AA64SleepUS – sleep for sometimes.
void	AA64SleepMS (uint32_t ms)
	AA64SleepMS – sleep for sometimes.
void	enableAlignCheck ()
void	AA64CpuInitialize ()
	AA64CpuInitialize – initialize aa64 cpu.
void	AA64TimerSetup ()
void	AA64CPUPostInitialize (KERNEL_BOOT_INFO *info)
	AA64CPUPostInitialize – initilaize post cpu requirements.

Variables
uint64_t	basisTime
uint64_t	cpuFrequency

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2025, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

CACHE_LINE_SIZE

#define CACHE_LINE_SIZE   64

Function Documentation

aa64_data_cache_clean_range()

void aa64_data_cache_clean_range	(	void *	addr,
		size_t	size
	)

AA64ClockInitialize()

void AA64ClockInitialize

(

)

AA64ClockInitialize – initialize the clock.

AA64CPUImplementer()

void AA64CPUImplementer

(

uint32_t

midr

)

AA64CpuInitialize()

void AA64CpuInitialize

(

)

AA64CpuInitialize – initialize aa64 cpu.

AA64CPUPostInitialize()

void AA64CPUPostInitialize

(

KERNEL_BOOT_INFO *

info

)

AA64CPUPostInitialize – initilaize post cpu requirements.

Parameters

info	– Pointer to KERNEL BOOT INFORMATIONs

AA64FPUNeonEnable()

void AA64FPUNeonEnable

(

)

AA64FPUNeonEnable – initialize FPU and NEON feature.

AA64GetPhysicalTimerCount()

uint64_t AA64GetPhysicalTimerCount

(

)

AA64SleepMS()

void AA64SleepMS

(

uint32_t

ms

)

AA64SleepMS – sleep for sometimes.

Parameters

ms	– milliseconds to sleep

AA64SleepUS()

void AA64SleepUS

(

uint32_t

us

)

AA64SleepUS – sleep for sometimes.

Parameters

us	– microseconds to sleep

AA64TimerSetup()

void AA64TimerSetup

(

)

enableAlignCheck()

void enableAlignCheck ( )

extern

Variable Documentation

basisTime

uint64_t basisTime

cpuFrequency

uint64_t cpuFrequency