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The boot EL will save in x0, when current EL is EL3,
kernel will jump to the EL2 after EL3.
But the x0 value is **3**, The init for EL2 will not work.
To fix it: the EL3 should jump to the EL2 init branch with not check,
and when SoC boot in EL2, kernel will jump to the EL2 test branch.
Link: https://club.rt-thread.org/ask/question/ec320a6765389f67.html
Signed-off-by: wusongjie <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Add VDSO functionality under the aarch64 architecture
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* [libcpu] arm64: Add hardware thread_self support
This patch introduces hardware-based thread self-identification
for the AArch64 architecture. It optimizes thread management by
using hardware registers to store and access the current thread's
pointer, reducing overhead and improving overall performance.
Changes include:
- Added `ARCH_USING_HW_THREAD_SELF` configuration option.
- Modified `rtdef.h`, `rtsched.h` to conditionally include
`critical_switch_flag` based on the new config.
- Updated context management in `context_gcc.S`, `cpuport.h`
to support hardware-based thread self.
- Enhanced `scheduler_mp.c` and `thread.c` to leverage the new
hardware thread self feature.
These modifications ensure better scheduling and thread handling,
particularly in multi-core environments, by minimizing the
software overhead associated with thread management.
Signed-off-by: Shell <[email protected]>
* fixup: address suggestion
* fixup: rt_current_thread as global
* scheduler: add cpu object for UP scheduler
Also, maintain the rt_current_thread in cpu object on UP scheduler.
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Signed-off-by: Shell <[email protected]>
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* [ofw] dealing with mem region out of kernel space
- Fix parameter checking in _out_of_range() that NULL is excluded for
fixed mapping
- Split page install with a deferred stage to avoid mapping over
ARCH_EARLY_MAP_SIZE
Signed-off-by: Shell <[email protected]>
* fixup: restrict vstart for using of RT_NULL
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Signed-off-by: Shell <[email protected]>
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[bsp/rpi4] fixup startup issues
Signed-off-by: Shell <[email protected]>
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Signed-off-by: Shell <[email protected]>
Co-authored-by: xqyjlj <[email protected]>
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时编译报错问题
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Signed-off-by: Shell <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Co-authored-by: 朱耿宇 <[email protected]>
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fix bugs on cache maintenance when starting user app
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* [rt-smart/mem] remove pv_offset
* [rt-smart] list kernel space command
* [rt-smart] restore ioremap region
* [revert] restore kernel space isolation
* [rt-smart/pv_off] code format
* [rt-smart] add get_pvoff()
* [pvoffset] pvoff as constant for C codes
* [pvoff] pvoff as interfaces
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synchronize virtual memory system works.
adding kernel virtual memory management layer for page-based MMU enabled architecture
porting libcpu MMU codes
porting lwp memory related codes
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* [smart/aarch64] sync aarch64
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* [libcpu/aarch64] add smp support
* [libcpu/aarch64] rt_hw_trap_irq get irq instead of iar when using gicv2
* [libcpu/aarch64] disable irq/fiq when switch thread
* [libcpu/aarch64] add gtimer frq set and stack align
* [libcpu/aarch64] add gicv3 support and bsp/rockchip/rk3568
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* [libcpu/aarch64] add smp support
* [libcpu/aarch64] rt_hw_trap_irq get irq instead of iar when using gicv2
* [libcpu/aarch64] disable irq/fiq when switch thread
* [libcpu/aarch64] add gtimer frq set and stack align
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