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| author | Tim Newsome <tim@sifive.com> | 2016-09-29 11:42:41 -0700 |
|---|---|---|
| committer | Tim Newsome <tim@sifive.com> | 2016-09-29 11:42:41 -0700 |
| commit | 3a5ca22f5cc6044ae6cdfb2874f62b3e6a9878ad (patch) | |
| tree | 32d537fd942f81351add0eb3efe0226d43756501 /debug/programs/trigger.S | |
| parent | ad4010d4b7147a6607c2fd30c7885ca6b464abbc (diff) | |
| download | riscv-tests-3a5ca22f5cc6044ae6cdfb2874f62b3e6a9878ad.zip riscv-tests-3a5ca22f5cc6044ae6cdfb2874f62b3e6a9878ad.tar.gz riscv-tests-3a5ca22f5cc6044ae6cdfb2874f62b3e6a9878ad.tar.bz2 | |
Update dmode test to match spec.
M-mode writes to triggers with dmode set are now ignored instead of
raising an exception.
Also added -f/--fail-fast option to gdbserver.
Diffstat (limited to 'debug/programs/trigger.S')
| -rw-r--r-- | debug/programs/trigger.S | 86 |
1 files changed, 53 insertions, 33 deletions
diff --git a/debug/programs/trigger.S b/debug/programs/trigger.S index ebfce1c..1efafc7 100644 --- a/debug/programs/trigger.S +++ b/debug/programs/trigger.S @@ -1,5 +1,15 @@ #include "../../env/encoding.h" +#ifdef __riscv64 +# define LREG ld +# define SREG sd +# define REGBYTES 8 +#else +# define LREG lw +# define SREG sw +# define REGBYTES 4 +#endif + #undef MCONTROL_TYPE #undef MCONTROL_DMODE #ifdef __riscv64 @@ -36,49 +46,59 @@ write_loop: j main_exit -write_valid: +write_store_trigger: + li a0, (1<<6) | (1<<1) + li a1, 0xdeadbee0 + jal write_triggers + la a0, data + jal read_triggers + +write_load_trigger: + li a0, (1<<6) | (1<<0) + li a1, 0xfeedac00 + jal write_triggers + la a0, data + jal read_triggers + +// Clear triggers so the next test can use them. +clear_triggers: + li a0, 0 + jal write_triggers + +main_exit: + li a0, 0 + j _exit + +write_triggers: + // a0: value to write to each tdata1 + // a1: value to write to each tdata2 li t0, 0 - li t2, MCONTROL_DMODE - li t3, MCONTROL_TYPE -write_valid_loop: +2: csrw CSR_TSELECT, t0 csrr t1, CSR_TSELECT - bne t0, t1, main_exit + bne t0, t1, 1f addi t0, t0, 1 - csrr t1, CSR_TDATA1 - and t4, t1, t3 - beqz t4, main_error # type is 0 - and t1, t1, t2 - bnez t1, write_valid_loop - # Found an entry with dmode=0 - csrw CSR_TDATA1, zero # this should succeed + csrw CSR_TDATA2, a1 + csrw CSR_TDATA1, a0 + j 2b +1: ret -write_invalid: +read_triggers: + // a0: address where data should be written li t0, 0 - li t2, MCONTROL_DMODE - li t3, MCONTROL_TYPE -write_invalid_loop: +2: csrw CSR_TSELECT, t0 csrr t1, CSR_TSELECT - bne t0, t1, main_exit + bne t0, t1, 1f addi t0, t0, 1 csrr t1, CSR_TDATA1 - and t4, t1, t3 - beqz t4, main_error # type is 0 - and t1, t1, t2 - beqz t1, write_invalid_loop - # Found an entry with dmode=1 -write_invalid_illegal: - csrw CSR_TDATA1, zero # this should fail - - -main_exit: - li a0, 0 - j _exit - -main_error: - li a0, 1 - j _exit + SREG t1, 0(a0) + csrr t1, CSR_TDATA2 + SREG t1, REGBYTES(a0) + addi a0, a0, 2*REGBYTES + j 2b +1: SREG zero, 0(a0) + ret .data data: .word 0x40 |