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Based On: https://review.openocd.org/c/openocd/+/9414 When VTYPE is updated: - VL is set to some appropriate value - VSTART is set to zero Signed-off-by: Anatoly Parshintsev <anatoly.parshintsev@syntacore.com>
Based on: https://review.openocd.org/c/openocd/+/9415/2 read access should not ruin the current execution context Signed-off-by: Anatoly Parshintsev <anatoly.parshintsev@syntacore.com>
Based On: https://review.openocd.org/c/openocd/+/9416/2 Writes to the vtype register are expected to have the side effect of resetting vl and vstart. However, the current implementation caches the vtype state on read, which prevents subsequent writes with already-cached values from being issued. Signed-off-by: Anatoly Parshintsev <anatoly.parshintsev@syntacore.com>
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This MR fixes various issues raising from erroneous caching policy and incorrect restoration of vstart when accessing vector registers.