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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-07-04 10:24:07 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-07-04 10:24:07 +0100 |
| commit | 21d0bafbfe415e5c0f8109a98848c46f7d871c73 (patch) | |
| tree | f369e84f4f395351345874cdc9b112511b6fcbb0 /pc-bios/s390-ccw/helper.h | |
| parent | 7b7515702012219410802a168ae4aa45b72a44df (diff) | |
| parent | f196f6a8c7cca5e8bd1d6d37995447e1d6028223 (diff) | |
Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200703' into staging
s390 update:
- various fixes
- cleanup in the s390x-ccw bios
# gpg: Signature made Fri 03 Jul 2020 11:04:08 BST
# gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg: issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal]
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cohuck@kernel.org>" [marginal]
# gpg: aka "Cornelia Huck <cohuck@redhat.com>" [marginal]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20200703:
s390x/pci: fix set_ind_atomic
virtio-ccw: fix virtio_set_ind_atomic
target/s390x: Fix SQXBR
pc-bios/s390: Update s390-ccw bios binaries with the latest changes
pc-bios/s390-ccw: Generate and include dependency files in the Makefile
pc-bios: s390x: Make u32 ptr check explicit
pc-bios: s390x: Use ebcdic2ascii table
pc-bios: s390x: Move panic() into header and add infinite loop
pc-bios: s390x: Use PSW masks where possible and introduce PSW_MASK_SHORT_ADDR
pc-bios: s390x: Rename PSW_MASK_ZMODE to PSW_MASK_64
pc-bios: s390x: Get rid of magic offsets into the lowcore
pc-bios: s390x: Move sleep and yield to helper.h
pc-bios: s390x: Consolidate timing functions into time.h
pc-bios: s390x: cio.c cleanup and compile fix
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'pc-bios/s390-ccw/helper.h')
| -rw-r--r-- | pc-bios/s390-ccw/helper.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/helper.h b/pc-bios/s390-ccw/helper.h index 78d5bc7442..dfcfea0ff0 100644 --- a/pc-bios/s390-ccw/helper.h +++ b/pc-bios/s390-ccw/helper.h @@ -14,11 +14,12 @@ #define S390_CCW_HELPER_H #include "s390-ccw.h" +#include "s390-time.h" /* Avoids compiler warnings when casting a pointer to a u32 */ static inline uint32_t ptr2u32(void *ptr) { - IPL_assert((uint64_t)ptr <= 0xffffffff, "ptr2u32: ptr too large"); + IPL_assert((uint64_t)ptr <= 0xffffffffull, "ptr2u32: ptr too large"); return (uint32_t)(uint64_t)ptr; } @@ -28,4 +29,20 @@ static inline void *u32toptr(uint32_t n) return (void *)(uint64_t)n; } +static inline void yield(void) +{ + asm volatile ("diag 0,0,0x44" + : : + : "memory", "cc"); +} + +static inline void sleep(unsigned int seconds) +{ + ulong target = get_time_seconds() + seconds; + + while (get_time_seconds() < target) { + yield(); + } +} + #endif |