Hector Martin
da024ffbd8
memory: Only map available RAM
...
We saw some crazy speculation running in the HV breaking things by
reading from invalid RAM, so let's actually map only what's available.
For now we do map all lowmem as we haven't seen SErrors there yet, but
we stop at the high boundary.
Fixes : #97
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-10-15 23:44:12 +09:00
Hector Martin
cd59d39686
memory.h: Add mmu_active() function
...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-15 23:24:37 +09:00
Hector Martin
d53b40da48
memory: Add mmu_init_secondary() to init MMU for secondaries
...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-09-15 23:24:37 +09:00
Hector Martin
3e1ea2d503
memory: Add separate mappings for EL0 data access
...
This unborks stack and constant pool accesses from el0_call.
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-05-13 17:36:02 +09:00
Sven Peter
9120cb8426
memory: allow to reinit and temporarily disable the MMU
...
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-05-11 15:48:40 +09:00
Sven Peter
2f84b33ba8
MMU: add cache operations by set/way
...
this embeds a slightly modified file taken from
arm-trusted-firmware.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Sven Peter
f244919c98
MMU: add initial support
...
Signed-off-by: Sven Peter <sven@svenpeter.dev>
2021-01-28 23:20:15 +09:00
Hector Martin
81aaf2ed35
Basic exceptions, irq, cache mgmt support
...
Signed-off-by: Hector Martin <marcan@marcan.st>
2021-01-17 00:49:22 +09:00
