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Add coverage of FIOM in different privelege modes

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Jordan Carlin 2024-01-18 19:29:16 -08:00
parent 12b2baff82
commit 82d9467eea
1 changed files with 27 additions and 0 deletions
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27
tests/coverage/csrwrites.S
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@ -37,4 +37,31 @@ main:
csrrw t1, menvcfg, t0
csrrw t2, senvcfg, t0
# testing FIOM with different privelege modes
# setting environment config (to both 1 and 0) in each privelege mode
csrsi menvcfg, 1
li a0, 1
ecall # enter supervisor mode
li a0, 0
ecall # enter user mode
li a0, 1
ecall # enter supervisor mode
csrsi senvcfg, 1
li a0, 0
ecall # enter user mode
li a0, 3
ecall # enter machine mode
csrci menvcfg, 1
li a0, 1
ecall # enter supervisor mode
li a0, 0
ecall # enter user mode
j done