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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-04-30 09:57:47 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-04-30 09:57:47 -0700 |
| commit | b1e880789bc7dc07617e45e2d63d635cdbf2bf6d (patch) | |
| tree | 15c0f096db9272b737769949ecee9fe2c0a40537 /hw/misc/edu.c | |
| parent | de7e907d011cf12805b80150a81470ff7c8b5d44 (diff) | |
| parent | cc6cb422e09592158586279fddeef107df05ecbb (diff) | |
| download | focaccia-qemu-b1e880789bc7dc07617e45e2d63d635cdbf2bf6d.tar.gz focaccia-qemu-b1e880789bc7dc07617e45e2d63d635cdbf2bf6d.zip | |
Merge tag 'pull-request-2024-04-30' of https://gitlab.com/thuth/qemu into staging
* Clean-ups for "errp" handling in s390x cpu_model code * Fix a possible abort in the "edu" device * Add missing qga stubs for stand-alone qga builds and re-enable qga-ssh-test * Fix memory corruption caused by the stm32l4x5 uart device * Update the s390x custom runner to Ubuntu 22.04 * Fix READ NATIVE MAX ADDRESS IDE commands to avoid a possible crash * Shorten the runtime of Cirrus-CI jobs # -----BEGIN PGP SIGNATURE----- # # iQJFBAABCAAvFiEEJ7iIR+7gJQEY8+q5LtnXdP5wLbUFAmYwmaMRHHRodXRoQHJl # ZGhhdC5jb20ACgkQLtnXdP5wLbUCERAAss5PJMG8rI4i4X/3nW49JYTlPOpgm/YX # /UWF+eHUlqaqDdE0s+Pdw4Ozo3hXQt/E/CkcyflUTzVpnZtpv9vkhNWyjOoPV31v # GQyQEzGvxZXl2S595XefyAyaMTP5maBhUTlyZWJo385cQraa60Ot5d4Mibr2CobY # gIBRxEGB/frJYpbHJPxd/FxJV120gtuWAdZwGGYYYjwMzf2IKu2veODB8CnUErlX # WNUsIzjtAslfh8Ek2ZmPzD7uktCUeigkukqIrLC1oEU3wzbJHkISv1kXCKPW/Nf6 # ISjVa5TqGwkiiF8fw9aYKvWrnPJS7JkhXw7Gz+b39d846kUdNyDfgLcYJeNS3cZ2 # R1xgR9B6hX8ZmikMbGC+0/Sv15u2Yr+bFxJBTJzq6zdOAb9EJNQY1hW2w/Lbrg3X # LjY+ltcVweoSILT6AE6vGDPCHfBzO+6FcptFvw7ePvRGOlwAPZ3tEB9G2LEbCYgg # BjWNP4aRuSfbUebO4x4Todz65WN8aY1EIBXORU/wgUlF2+zajWiOI5JRDKjWz2qQ # gAMeCbLplli5bYrChWtouRIXtb061cQloULddu/SRFcaJOlV3SCzx4JfN15pU90s # jRMIhMESAEj4NSfclhxsOiYp3ywZTvlQsVA6MgPlu2i3HJakQnt5zbg59TesRn2d # r5PfAk83UnA= # =0OB7 # -----END PGP SIGNATURE----- # gpg: Signature made Tue 30 Apr 2024 12:11:31 AM PDT # gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5 # gpg: issuer "thuth@redhat.com" # gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full] # gpg: aka "Thomas Huth <thuth@redhat.com>" [full] # gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown] # gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full] * tag 'pull-request-2024-04-30' of https://gitlab.com/thuth/qemu: .gitlab-ci.d/cirrus: Remove the netbsd and openbsd jobs .gitlab-ci.d/cirrus.yml: Shorten the runtime of the macOS and FreeBSD jobs tests/qtest/ide-test: Verify READ NATIVE MAX ADDRESS is not limited hw/ide/core.c (cmd_read_native_max): Avoid limited device parameters gitlab: remove stale s390x-all-linux-static conf hacks gitlab: migrate the s390x custom machine to 22.04 build-environment: make some packages optional hw/char/stm32l4x5_usart: Fix memory corruption by adding correct class_size qga: Re-enable the qga-ssh-test when running without fuzzing stubs: Add missing qga stubs hw: misc: edu: use qemu_log_mask instead of hw_error hw: misc: edu: rename local vars in edu_check_range hw: misc: edu: fix 2 off-by-one errors target/s390x/cpu_models_sysemu: Drop local @err in apply_cpu_model() target/s390x/cpu_models: Make kvm_s390_apply_cpu_model() return boolean target/s390x/cpu_models: Drop local @err in get_max_cpu_model() target/s390x/cpu_models: Make kvm_s390_get_host_cpu_model() return boolean target/s390x/cpu_model: Drop local @err in s390_realize_cpu_model() target/s390x/cpu_model: Make check_compatibility() return boolean Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/misc/edu.c')
| -rw-r--r-- | hw/misc/edu.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/hw/misc/edu.c b/hw/misc/edu.c index 2a976ca2b1..fa052c44db 100644 --- a/hw/misc/edu.c +++ b/hw/misc/edu.c @@ -23,6 +23,7 @@ */ #include "qemu/osdep.h" +#include "qemu/log.h" #include "qemu/units.h" #include "hw/pci/pci.h" #include "hw/hw.h" @@ -103,25 +104,25 @@ static void edu_lower_irq(EduState *edu, uint32_t val) } } -static bool within(uint64_t addr, uint64_t start, uint64_t end) +static void edu_check_range(uint64_t xfer_start, uint64_t xfer_size, + uint64_t dma_start, uint64_t dma_size) { - return start <= addr && addr < end; -} - -static void edu_check_range(uint64_t addr, uint64_t size1, uint64_t start, - uint64_t size2) -{ - uint64_t end1 = addr + size1; - uint64_t end2 = start + size2; - - if (within(addr, start, end2) && - end1 > addr && end1 <= end2) { + uint64_t xfer_end = xfer_start + xfer_size; + uint64_t dma_end = dma_start + dma_size; + + /* + * 1. ensure we aren't overflowing + * 2. ensure that xfer is within dma address range + */ + if (dma_end >= dma_start && xfer_end >= xfer_start && + xfer_start >= dma_start && xfer_end <= dma_end) { return; } - hw_error("EDU: DMA range 0x%016"PRIx64"-0x%016"PRIx64 - " out of bounds (0x%016"PRIx64"-0x%016"PRIx64")!", - addr, end1 - 1, start, end2 - 1); + qemu_log_mask(LOG_GUEST_ERROR, + "EDU: DMA range 0x%016"PRIx64"-0x%016"PRIx64 + " out of bounds (0x%016"PRIx64"-0x%016"PRIx64")!", + xfer_start, xfer_end - 1, dma_start, dma_end - 1); } static dma_addr_t edu_clamp_addr(const EduState *edu, dma_addr_t addr) @@ -129,7 +130,9 @@ static dma_addr_t edu_clamp_addr(const EduState *edu, dma_addr_t addr) dma_addr_t res = addr & edu->dma_mask; if (addr != res) { - printf("EDU: clamping DMA %#.16"PRIx64" to %#.16"PRIx64"!\n", addr, res); + qemu_log_mask(LOG_GUEST_ERROR, + "EDU: clamping DMA 0x%016"PRIx64" to 0x%016"PRIx64"!", + addr, res); } return res; |