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thermosphere: enable EL2 stage1 translation (doesn't take much space)

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Identity map using 1GB L1 blocks
This commit is contained in:
TuxSH
2019-08-01 02:58:16 +02:00
parent a35b3ff982
commit 823b2c8a6d
13 changed files with 454 additions and 12 deletions
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9
thermosphere/src/smc.c
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@@ -2,6 +2,7 @@
#include "smc.h"
#include "synchronization.h"
#include "core_ctx.h"
#include "arm.h"
// Currently in exception_vectors.s:
extern const u32 doSmcIndirectCallImpl[];
@@ -12,12 +13,12 @@ void start2(u64 contextId);
void doSmcIndirectCall(ExceptionStackFrame *frame, u32 smcId)
{
u32 codebuf[doSmcIndirectCallImplSize]; // note: potential VLA
u32 codebuf[doSmcIndirectCallImplSize / 4]; // note: potential VLA
memcpy(codebuf, doSmcIndirectCallImpl, doSmcIndirectCallImplSize);
codebuf[doSmcIndirectCallImplSmcInstructionOffset/4] |= smcId << 5;
codebuf[doSmcIndirectCallImplSmcInstructionOffset / 4] |= smcId << 5;
__dsb_sy();
__isb();
flush_dcache_range(codebuf, codebuf + doSmcIndirectCallImplSize/4);
invalidate_icache_all();
((void (*)(ExceptionStackFrame *))codebuf)(frame);
}