- align the size up to a cache line
- use the cache line size as smallest alignment value

127: Revision of PR #110 r=stlankes a=stlankes

Most of #110 is already merged to kernel. This pull request is a collection of missing changes.
Co-authored-by: Thomas Lambertz <mail@thomaslambertz.de>

126: CI: Fix and reenable windows tests r=stlankes a=jschwe

Closes #122 

- Fixes the Windows CI.
- Force qemu install to the latest working version
- The November 2020 release doesn't seem to be working, even when
  adjusting the path to the new install location install 'C:\Program Files (x86)'
Co-authored-by: Jonathan Schwender <schwenderjonathan@gmail.com>

- Force qemu install to latest working version
- The November 2020 release doesn't seem to be working, even when
  adjusting the path to the new install location install
  'C:\Program Files (x86)'
Signed-off-by: Jonathan Schwender <schwenderjonathan@gmail.com>

125: disable interrupts during programming of the ICR r=stlankes a=stlankes

ICR programming should be not-interruptable to avoid corrupted values
Co-authored-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

This reverts commit f5ada5b9.

Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

This reverts commit f919f972.

This reverts commit 8f83d097.

124: activate assembly support for basic function (e.g. memcpy) r=stlankes a=stlankes

- don't rename symbols for newlib
Co-authored-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

- don't rename symbol for newlib

119: simplify function to determine the enviornment r=stlankes a=stlankes

- avoid using of __sys_malloc
- remove unneeded unsafe code
Co-authored-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Co-authored-by: bors[bot] <26634292+bors[bot]@users.noreply.github.com>

- avoid using of __sys_malloc

120: rename basic functions like memcpy to avoid collisions with the user space r=jbreitbart a=stlankes

The kernel isn't allowed to use SSE instructions. The workaround is to build two versions of basic functions like `memcpy`. One for kernel-, one for user-space.
Co-authored-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>

121: increase the memory size of the test VM r=stlankes a=stlankes
Co-authored-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>