OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

thermosphere: implement reading and writing guest memory

Browse Source
This commit is contained in:
TuxSH
2020-01-20 02:24:02 +00:00
parent aebdb2a774
commit 2d32a812b7
22 changed files with 467 additions and 118 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
thermosphere/src/exception_vectors.s
View File

@@ -140,7 +140,7 @@ vector_entry _synchSp0
msr elr_el2, x18
// Note: non-broadcasting TLB maintenance op
tlbi alle2
dsb ish
dsb nsh
isb
eret
check_vector_size _synchSp0
@@ -271,11 +271,30 @@ doSmcIndirectCallImplSize:
/* Current EL, SPx */
EXCEPTION_HANDLER_START _synchSpx, EXCEPTION_TYPE_HOST_CRASH
vector_entry _synchSpx
// Ignore crash if x18 is 0, when we're copying memory from the guest (w/ irq masked)
cbz x18, _synchSpxIgnoreCrash
PIVOT_STACK_FOR_CRASH
SAVE_MOST_REGISTERS
mov x0, sp
mov w1, #0
bl exceptionEntryPostprocess
mov x0, sp
mrs x1, esr_el2
bl handleSameElSyncException
EXCEPTION_HANDLER_END _synchSpx, EXCEPTION_TYPE_HOST_CRASH
b .
_synchSpxIgnoreCrash:
mrs x18, elr_el2
add x18, x18, #4
msr elr_el2, x18
eret
check_vector_size _synchSpx
EXCEPTION_HANDLER_START _irqSpx, EXCEPTION_TYPE_HOST
mov x0, sp