github-mirrors/cvw
1
0
Fork 0
mirror of https://github.com/openhwgroup/cvw.git synced 2025-04-24 13:57:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

added some comments to help debuggers in the future

Browse source
This commit is contained in:
DTowersM 2022-06-10 01:44:52 +00:00
parent d280f10a8d
commit b586e3af37
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tests/wally-riscv-arch-test/riscv-test-suite/rv32i_m/privilege/src/WALLY-wfi-01.S
View file

@ -33,6 +33,8 @@ WRITE_READ_CSR mie, 0xFFF // Enable interrupts from all sources
// Code copied from test library to cause m time interrupt, with time loop replaced with wfi.
/* Note: the following line might cause problems in the future. If more than 0x50 cycles are needed before the wfi
instruction begins, then the program might fall into a loop and run forever*/
li x28, 0x50 // Desired offset from the present time
mv a3, x28 // copy value in to know to stop waiting for interrupt after this many cycles
la x29, 0x02004000 // MTIMECMP register in CLINT