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2021-03-29[syserror] Split usermem packageZach Koopmans
Split usermem package to help remove syserror dependency in go_marshal. New hostarch package contains code not dependent on syserror. PiperOrigin-RevId: 365651233
2021-03-25Fix nogo test errorHoward Zhang
Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2021-03-23Move the code that manages floating-point state to a separate packageAndrei Vagin
This change is inspired by Adin's cl/355256448. PiperOrigin-RevId: 364695931
2021-02-03arm64 kvm:implement basic lazy save and restore for FPSIMD registersRobin Luk
Implement basic lazy save and restore for FPSIMD registers, which only restore FPSIMD state on el0_fpsimd_acc and save FPSIMD state in switch(). Signed-off-by: Robin Luk <lubin.lu@antgroup.com>
2021-02-03arm64: clean codeRobin Luk
In order to improve the performance and stability, I reorg 2 modules slightly. arch: no red zone on Arm64. ring0: use stp instead of movd, and set RSV_REG_APP=R19. Signed-off-by: Robin Luk <lubin.lu@antgroup.com>
2021-02-02Move ring0 package.Adin Scannell
This allows the package to serve as a general purpose ring0 support package, as opposed to being bound to specific sentry platforms. Updates #5039 PiperOrigin-RevId: 355220044