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aarch64: Update interrupt details

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This commit is contained in:
Kinsey Moore 2020-12-07 12:10:26 -06:00 committed by Joel Sherrill
parent d716c79070
commit 9c407619c7
2 changed files with 7 additions and 3 deletions
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5
cpu-supplement/aarch64.rst
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@ -104,7 +104,10 @@ Interrupt Stack
---------------
The board support package must initialize the interrupt stack. The memory for
the stacks is usually reserved in the linker script.
the stacks is usually reserved in the linker script. The interrupt stack pointer
is stored in the EL0 stack pointer and is accessed by switching to SP0 mode
at the beginning of interrupt calls and back to SPx mode after completion of
interrupt calls using the `spsel` instruction.
Default Fatal Error Processing
==============================

5
user/bsps/aarch64/a53.rst
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@ -8,8 +8,9 @@
Qemu A53
========
This BSP supports two variants, `qemu_a53_ilp32` and `qemu-a53_lp64`. The basic
hardware initialization is performed by the BSP.
This BSP supports two variants, `qemu_a53_ilp32` and `qemu_a53_lp64`. The basic
hardware initialization is performed by the BSP. These BSPs support the GICv3
interrupt controller.
Boot via ELF
------------