diff options
Diffstat (limited to 'qemu/tests/tcg/xtensa/test_cache.S')
| -rw-r--r-- | qemu/tests/tcg/xtensa/test_cache.S | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/qemu/tests/tcg/xtensa/test_cache.S b/qemu/tests/tcg/xtensa/test_cache.S new file mode 100644 index 000000000..6b2df9734 --- /dev/null +++ b/qemu/tests/tcg/xtensa/test_cache.S @@ -0,0 +1,97 @@ +#include "macros.inc" + +.purgem test_init +.macro test_init + call0 cache_unlock_invalidate +.endm + +test_suite cache + +.macro pf_op op + \op a2, 0 + \op a3, 0 + \op a4, 0 +.endm + +test prefetch + movi a2, 0xd0000000 /* cacheable */ + movi a3, 0xd8000000 /* non-cacheable */ + movi a4, 0x00001235 /* unmapped */ + + pf_op dpfr + pf_op dpfro + pf_op dpfw + pf_op dpfwo + pf_op ipf + + dpfl a2, 0 + ipfl a2, 0 +test_end + +.macro cache_fault op, addr, exc_code + set_vector kernel, 2f + + movi a4, \addr +1: + \op a4, 0 + test_fail +2: + rsr a2, epc1 + movi a3, 1b + assert eq, a2, a3 + rsr a2, excvaddr + assert eq, a2, a4 + rsr a2, exccause + movi a3, \exc_code + assert eq, a2, a3 +.endm + +test dpfl_tlb_miss + cache_fault dpfl, 0x00002345, 24 +test_end + +test dhwb_tlb_miss + cache_fault dhwb, 0x00002345, 24 +test_end + +test dhwbi_tlb_miss + cache_fault dhwbi, 0x00002345, 24 +test_end + +test dhi_tlb_miss + cache_fault dhi, 0x00002345, 24 +test_end + +test dhu_tlb_miss + cache_fault dhu, 0x00002345, 24 +test_end + + +test ipfl_tlb_miss + cache_fault ipfl, 0x00002345, 16 +test_end + +test ihu_tlb_miss + cache_fault ihu, 0x00002345, 16 +test_end + +test ihi_tlb_miss + cache_fault ihi, 0x00002345, 16 +test_end + +test_suite_end + +.macro cache_all op1, op2, size, linesize + movi a2, 0 + movi a3, \size +1: + \op1 a2, 0 + \op2 a2, 0 + addi a2, a2, \linesize + bltu a2, a3, 1b +.endm + +cache_unlock_invalidate: + cache_all diu, dii, XCHAL_DCACHE_SIZE, XCHAL_DCACHE_LINESIZE + cache_all iiu, iii, XCHAL_ICACHE_SIZE, XCHAL_ICACHE_LINESIZE + ret |