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ArmPkg: Added Aarch64 support

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14486 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Harry Liebel
2013-07-18 18:07:46 +00:00
committed by oliviermartin
parent 8477cb6e15
commit 25402f5d06
58 changed files with 4786 additions and 43 deletions
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7
ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.c
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@@ -19,7 +19,7 @@
#include <Library/TimerLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/ArmV7ArchTimerLib.h>
#include <Library/ArmArchTimerLib.h>
#include <Chipset/ArmV7.h>
#define TICKS_PER_MICRO_SEC (PcdGet32 (PcdArmArchTimerFreqInHz)/1000000U)
@@ -43,15 +43,18 @@ TimerConstructor (
// manual lower bound of the frequency is in the range of 1-10MHz
ASSERT (TICKS_PER_MICRO_SEC);
#ifdef MDE_CPU_ARM
// Only set the frequency for ARMv7. We expect the secure firmware to have already do it
// If the security extensions are not implemented set Timer Frequency
if ((ArmReadIdPfr1 () & 0xF0) == 0x0) {
ArmArchTimerSetTimerFreq (PcdGet32 (PcdArmArchTimerFreqInHz));
}
#endif
// Architectural Timer Frequency must be set in the Secure privileged(if secure extensions are supported) mode.
// If the reset value (0) is returned just ASSERT.
TimerFreq = ArmArchTimerGetTimerFreq ();
ASSERT (TimerFreq);
ASSERT (TimerFreq != 0);
} else {
DEBUG ((EFI_D_ERROR, "ARM Architectural Timer is not available in the CPU, hence this library can not be used.\n"));