diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-02-20 08:40:31 -1000 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-02-27 09:15:39 +0100 |
| commit | c8db90b86d0849b59452b8cac5b477bb65dcb6a1 (patch) | |
| tree | bf113f34a1ae0fcc092ff04ff76c87bd95f44d8c /tests | |
| parent | c78d9269755dce56ac8d16181af46aa969aa7755 (diff) | |
tests/tcg/s390x: Add sam.S
Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221129015328.55439-1-iii@linux.ibm.com>
Message-Id: <20230220184052.163465-7-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/s390x/Makefile.softmmu-target | 1 | ||||
| -rw-r--r-- | tests/tcg/s390x/sam.S | 67 |
2 files changed, 68 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index bcbe9367ef..725b6c598d 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -8,3 +8,4 @@ QEMU_OPTS=-action panic=exit-failure -kernel TESTS += unaligned-lowcore TESTS += bal +TESTS += sam diff --git a/tests/tcg/s390x/sam.S b/tests/tcg/s390x/sam.S new file mode 100644 index 0000000000..4cab2dd200 --- /dev/null +++ b/tests/tcg/s390x/sam.S @@ -0,0 +1,67 @@ +/* DAT on, home-space mode, 64-bit mode */ +#define DAT_PSWM 0x400c00180000000 +#define VIRTUAL_BASE 0x123456789abcd000 + + .org 0x8e +program_interruption_code: + .org 0x150 +program_old_psw: + .org 0x1d0 /* program new PSW */ + .quad 0,pgm_handler + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + lctlg %c13,%c13,hasce + lpswe dat_psw +start_dat: + sam24 +sam24_suppressed: + /* sam24 should fail */ +fail: + basr %r12,%r0 + lpswe failure_psw-.(%r12) +pgm_handler: + chhsi program_interruption_code,6 /* specification exception? */ + jne fail + clc suppressed_psw(16),program_old_psw /* correct location? */ + jne fail + lpswe success_psw + + .align 8 +dat_psw: + .quad DAT_PSWM,VIRTUAL_BASE+start_dat +suppressed_psw: + .quad DAT_PSWM,VIRTUAL_BASE+sam24_suppressed +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */ +hasce: + /* DT = 0b11 (region-first-table), TL = 3 (2k entries) */ + .quad region_first_table + (3 << 2) + 3 + .align 0x1000 +region_first_table: + .org region_first_table + ((VIRTUAL_BASE >> 53) & 0x7ff) * 8 + /* TT = 0b11 (region-first-table), TL = 3 (2k entries) */ + .quad region_second_table + (3 << 2) + 3 + .org region_first_table + 0x800 * 8 +region_second_table: + .org region_second_table + ((VIRTUAL_BASE >> 42) & 0x7ff) * 8 + /* TT = 0b10 (region-second-table), TL = 3 (2k entries) */ + .quad region_third_table + (2 << 2) + 3 + .org region_second_table + 0x800 * 8 +region_third_table: + .org region_third_table + ((VIRTUAL_BASE >> 31) & 0x7ff) * 8 + /* TT = 0b01 (region-third-table), TL = 3 (2k entries) */ + .quad segment_table + (1 << 2) + 3 + .org region_third_table + 0x800 * 8 +segment_table: + .org segment_table + ((VIRTUAL_BASE >> 20) & 0x7ff) * 8 + /* TT = 0b00 (segment-table) */ + .quad page_table + .org segment_table + 0x800 * 8 +page_table: + .org page_table + ((VIRTUAL_BASE >> 12) & 0xff) * 8 + .quad 0 + .org page_table + 0x100 * 8 |