diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-05-28 14:47:35 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-05-28 14:47:35 +0100 |
| commit | adbfc34103f05a2137e9f00c422393918b04bd96 (patch) | |
| tree | f51e73decedf06b26c3ed46c171a71184659176e /tests/tcg | |
| parent | 972b09c219a35b3efffb8a32df943b6c8fbf29ce (diff) | |
| parent | 57a740514d2f68330ae408894b4c5ab01cfb0a83 (diff) | |
Merge remote-tracking branch 'remotes/xtensa/tags/20140526-xtensa' into staging
Xtensa fixes queue 2014-05-26:
- fix cross-page jumps/calls at the end of TB;
- add tests for TBs and instructions crossing page boundary.
# gpg: Signature made Mon 26 May 2014 09:37:39 BST using RSA key ID F83FA044
# gpg: Can't check signature: public key not found
* remotes/xtensa/tags/20140526-xtensa:
target-xtensa: add tests for cross-page TB
target-xtensa: completely clean TLB between MMU tests
target-xtensa: fix cross-page jumps/calls at the end of TB
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tests/tcg')
| -rw-r--r-- | tests/tcg/xtensa/test_mmu.S | 246 |
1 files changed, 239 insertions, 7 deletions
diff --git a/tests/tcg/xtensa/test_mmu.S b/tests/tcg/xtensa/test_mmu.S index 099031fd14..58c5bca30e 100644 --- a/tests/tcg/xtensa/test_mmu.S +++ b/tests/tcg/xtensa/test_mmu.S @@ -4,16 +4,28 @@ test_suite mmu .purgem test_init -.macro test_init - movi a2, 0x00000004 - idtlb a2 - movi a2, 0x00100004 +.macro clean_tlb_way way, page_size, n_entries + movi a2, \way + movi a3, \page_size + movi a4, \n_entries + loop a4, 1f idtlb a2 - movi a2, 0x00200004 + iitlb a2 + add a2, a2, a3 +1: +.endm + +.macro test_init + clean_tlb_way 0, 0x00001000, 4 + clean_tlb_way 1, 0x00001000, 4 + clean_tlb_way 2, 0x00001000, 4 + clean_tlb_way 3, 0x00001000, 4 + clean_tlb_way 4, 0x00100000, 4 + movi a2, 0x00000007 idtlb a2 - movi a2, 0x00300004 + movi a2, 0x00000008 idtlb a2 - movi a2, 0x00000007 + movi a2, 0x00000009 idtlb a2 .endm @@ -508,4 +520,224 @@ test autoload_3_level_pt assert_sr exccause, 24 test_end +test cross_page_insn + set_vector kernel, 2f + + movi a2, 0x04000003 /* PPN */ + movi a3, 0x00007000 /* VPN */ + witlb a2, a3 + wdtlb a2, a3 + movi a3, 0x00008000 /* VPN */ + witlb a2, a3 + wdtlb a2, a3 + + movi a2, 0x00007fff + movi a3, 20f + movi a4, 21f + sub a4, a4, a3 + loop a4, 1f + l8ui a5, a3, 0 + s8i a5, a2, 0 + addi a2, a2, 1 + addi a3, a3, 1 +1: + movi a2, 0x00007fff + movi a3, 0x00008000 + /* DTLB: OK, ITLB: OK */ + jx a2 + + .begin no-transform +20: + l32i a2, a3, 0 + syscall +21: + .end no-transform + +2: + rsr a2, exccause + movi a3, 1 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x8002 + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007fff + assert ne, a2, a3 + + reset_ps + set_vector kernel, 3f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + wdtlb a2, a3 + movi a2, 0x00007fff + movi a3, 0x00008000 + /* DTLB: FAIL, ITLB: OK */ + jx a2 +3: + rsr a2, exccause + movi a3, 28 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x7fff + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007fff + assert eq, a2, a3 + + reset_ps + set_vector kernel, 4f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + witlb a2, a3 + movi a2, 0x04000003 /* PPN */ + wdtlb a2, a3 + movi a2, 0x00007fff + movi a3, 0x00008000 + /* DTLB: OK, ITLB: FAIL */ + jx a2 +4: + rsr a2, exccause + movi a3, 20 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x7fff + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007fff + assert eq, a2, a3 + + reset_ps + set_vector kernel, 5f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + wdtlb a2, a3 + movi a2, 0x00007fff + movi a3, 0x00008000 + /* DTLB: FAIL, ITLB: FAIL */ + jx a2 +5: + rsr a2, exccause + movi a3, 20 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x7fff + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007fff + assert eq, a2, a3 +test_end + +test cross_page_tb + set_vector kernel, 2f + + movi a2, 0x04000003 /* PPN */ + movi a3, 0x00007000 /* VPN */ + witlb a2, a3 + wdtlb a2, a3 + movi a3, 0x00008000 /* VPN */ + witlb a2, a3 + wdtlb a2, a3 + + movi a2, 0x00007ffd + movi a3, 20f + movi a4, 21f + sub a4, a4, a3 + loop a4, 1f + l8ui a5, a3, 0 + s8i a5, a2, 0 + addi a2, a2, 1 + addi a3, a3, 1 +1: + movi a2, 0x00007ffd + movi a3, 0x00008000 + /* DTLB: OK, ITLB: OK */ + jx a2 + + .begin no-transform +20: + l32i a2, a3, 0 + syscall +21: + .end no-transform + +2: + rsr a2, exccause + movi a3, 1 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x8000 + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007ffd + assert ne, a2, a3 + + reset_ps + set_vector kernel, 3f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + wdtlb a2, a3 + movi a2, 0x00007ffd + movi a3, 0x00008000 + /* DTLB: FAIL, ITLB: OK */ + jx a2 +3: + rsr a2, exccause + movi a3, 28 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x7ffd + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007ffd + assert eq, a2, a3 + + reset_ps + set_vector kernel, 4f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + witlb a2, a3 + movi a2, 0x04000003 /* PPN */ + wdtlb a2, a3 + movi a2, 0x00007ffd + movi a3, 0x00008000 + /* DTLB: OK, ITLB: FAIL */ + jx a2 +4: + rsr a2, exccause + movi a3, 20 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x8000 + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007ffd + assert ne, a2, a3 + + reset_ps + set_vector kernel, 5f + + movi a2, 0x0400000c /* PPN */ + movi a3, 0x00008000 /* VPN */ + wdtlb a2, a3 + movi a2, 0x00007ffd + movi a3, 0x00008000 + /* DTLB: FAIL, ITLB: FAIL */ + jx a2 +5: + rsr a2, exccause + movi a3, 28 + assert eq, a2, a3 + rsr a2, epc1 + movi a3, 0x7ffd + assert eq, a2, a3 + rsr a2, excsave1 + movi a3, 0x00007ffd + assert eq, a2, a3 +test_end + test_suite_end |