diff options
44 files changed, 767 insertions, 322 deletions
diff --git a/.gitlab-ci.d/crossbuild-template.yml b/.gitlab-ci.d/crossbuild-template.yml index 45a9810355..303943f818 100644 --- a/.gitlab-ci.d/crossbuild-template.yml +++ b/.gitlab-ci.d/crossbuild-template.yml @@ -57,7 +57,7 @@ extends: .base_job_template stage: build image: $CI_REGISTRY_IMAGE/qemu/$IMAGE:$QEMU_CI_CONTAINER_TAG - timeout: 30m + timeout: 60m cache: paths: - ccache/ diff --git a/MAINTAINERS b/MAINTAINERS index 095420f8b0..3f10529d9c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3559,7 +3559,7 @@ F: include/migration/failover.h F: docs/COLO-FT.txt COLO Proxy -M: Zhang Chen <chen.zhang@intel.com> +M: Zhang Chen <zhangckid@gmail.com> M: Li Zhijian <lizhijian@fujitsu.com> S: Supported F: docs/colo-proxy.txt @@ -13,7 +13,7 @@ export CCACHE_RECACHE=yes # make source path absolute source_path=$(cd "$(dirname -- "$0")"; pwd) -if test "$PWD" = "$source_path" +if test "$PWD" -ef "$source_path" then echo "Using './build' as the directory for build output" diff --git a/docs/system/bootindex.rst b/docs/system/bootindex.rst index 988f7b3beb..5e1b33ee22 100644 --- a/docs/system/bootindex.rst +++ b/docs/system/bootindex.rst @@ -53,7 +53,7 @@ booting. For instance, the x86 PC BIOS boot specification allows only one disk to be bootable. If boot from disk fails for some reason, the x86 BIOS won't retry booting from other disk. It can still try to boot from floppy or net, though. In the case of s390x BIOS, the BIOS will try up to -8 total devices, any number of which may be disks. +8 total devices, any number of which may be disks or virtio-net devices. Sometimes, firmware cannot map the device path QEMU wants firmware to boot from to a boot method. It doesn't happen for devices the firmware diff --git a/docs/system/s390x/bootdevices.rst b/docs/system/s390x/bootdevices.rst index 1a1a764c1c..97b3914785 100644 --- a/docs/system/s390x/bootdevices.rst +++ b/docs/system/s390x/bootdevices.rst @@ -79,7 +79,29 @@ The second way to use this parameter is to use a number in the range from 0 to 31. The numbers that can be used here correspond to the numbers that are shown when using the ``PROMPT`` option, and the s390-ccw bios will then try to automatically boot the kernel that is associated with the given number. -Note that ``0`` can be used to boot the default entry. +Note that ``0`` can be used to boot the default entry. If the machine +``loadparm`` is not assigned a value, then the default entry is used. + +By default, the machine ``loadparm`` applies to all boot devices. If multiple +devices are assigned a ``bootindex`` and the ``loadparm`` is to be different +between them, an independent ``loadparm`` may be assigned on a per-device basis. + +An example guest using per-device ``loadparm``:: + + qemu-system-s390x -drive if=none,id=dr1,file=primary.qcow2 \ + -device virtio-blk,drive=dr1,bootindex=1 \ + -drive if=none,id=dr2,file=secondary.qcow2 \ + -device virtio-blk,drive=dr2,bootindex=2,loadparm=3 + +In this case, the primary boot device will attempt to IPL using the default +entry (because no ``loadparm`` is specified for this device or for the +machine). If that device fails to boot, the secondary device will attempt to +IPL using entry number 3. + +If a ``loadparm`` is specified on both the machine and a device, the per-device +value will superseded the machine value. Per-device ``loadparm`` values are +only used for devices with an assigned ``bootindex``. The machine ``loadparm`` +is used when attempting to boot without a ``bootindex``. Booting from a network device diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index b5a3208050..9bca03c4ae 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -597,6 +597,25 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls, float_raise(float_flag_invalid | float_flag_invalid_imz, status); } return 3; /* default NaN */ +#elif defined(TARGET_S390X) + if (infzero) { + float_raise(float_flag_invalid | float_flag_invalid_imz, status); + return 3; + } + + if (is_snan(a_cls)) { + return 0; + } else if (is_snan(b_cls)) { + return 1; + } else if (is_snan(c_cls)) { + return 2; + } else if (is_qnan(a_cls)) { + return 0; + } else if (is_qnan(b_cls)) { + return 1; + } else { + return 2; + } #elif defined(TARGET_SPARC) /* For (inf,0,nan) return c. */ if (infzero) { diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c index bc661504cf..c340a9481d 100644 --- a/hw/audio/hda-codec.c +++ b/hw/audio/hda-codec.c @@ -472,24 +472,6 @@ static void hda_audio_set_amp(HDAAudioStream *st) } } -static void hda_close_stream(HDAAudioState *a, HDAAudioStream *st) -{ - if (st->node == NULL) { - return; - } - if (a->use_timer) { - timer_free(st->buft); - st->buft = NULL; - } - if (st->output) { - AUD_close_out(&a->card, st->voice.out); - st->voice.out = NULL; - } else { - AUD_close_in(&a->card, st->voice.in); - st->voice.in = NULL; - } -} - static void hda_audio_setup(HDAAudioStream *st) { bool use_timer = st->state->use_timer; @@ -502,12 +484,10 @@ static void hda_audio_setup(HDAAudioStream *st) trace_hda_audio_format(st->node->name, st->as.nchannels, fmt2name[st->as.fmt], st->as.freq); - hda_close_stream(st->state, st); if (st->output) { if (use_timer) { cb = hda_audio_output_cb; - st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL, - hda_audio_output_timer, st); + timer_del(st->buft); } else { cb = hda_audio_compat_output_cb; } @@ -516,8 +496,7 @@ static void hda_audio_setup(HDAAudioStream *st) } else { if (use_timer) { cb = hda_audio_input_cb; - st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL, - hda_audio_input_timer, st); + timer_del(st->buft); } else { cb = hda_audio_compat_input_cb; } @@ -745,8 +724,12 @@ static void hda_audio_init(HDACodecDevice *hda, st->gain_right = QEMU_HDA_AMP_STEPS; st->compat_bpos = sizeof(st->compat_buf); st->output = true; + st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL, + hda_audio_output_timer, st); } else { st->output = false; + st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL, + hda_audio_input_timer, st); } st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 | (1 << AC_FMT_CHAN_SHIFT); @@ -760,11 +743,21 @@ static void hda_audio_init(HDACodecDevice *hda, static void hda_audio_exit(HDACodecDevice *hda) { HDAAudioState *a = HDA_AUDIO(hda); + HDAAudioStream *st; int i; dprint(a, 1, "%s\n", __func__); for (i = 0; i < ARRAY_SIZE(a->st); i++) { - hda_close_stream(a, a->st + i); + st = a->st + i; + if (st->node == NULL) { + continue; + } + timer_free(st->buft); + if (st->output) { + AUD_close_out(&a->card, st->voice.out); + } else { + AUD_close_in(&a->card, st->voice.in); + } } AUD_remove_card(&a->card); } diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 35deef05f3..a61c5ee6dd 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -58,6 +58,32 @@ static bool check_prop_still_unset(Object *obj, const char *name, return false; } +bool qdev_prop_sanitize_s390x_loadparm(uint8_t *loadparm, const char *str, + Error **errp) +{ + int i, len; + + len = strlen(str); + if (len > 8) { + error_setg(errp, "'loadparm' can only contain up to 8 characters"); + return false; + } + + for (i = 0; i < len; i++) { + uint8_t c = qemu_toupper(str[i]); /* mimic HMC */ + + if (qemu_isalnum(c) || c == '.' || c == ' ') { + loadparm[i] = c; + } else { + error_setg(errp, + "invalid character in 'loadparm': '%c' (ASCII 0x%02x)", + c, c); + return false; + } + } + + return true; +} /* --- drive --- */ diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index eedae7357f..145a0b3879 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -805,7 +805,6 @@ static void virgl_cmd_set_scanout_blob(VirtIOGPU *g, struct virtio_gpu_framebuffer fb = { 0 }; struct virtio_gpu_virgl_resource *res; struct virtio_gpu_set_scanout_blob ss; - uint64_t fbend; VIRTIO_GPU_FILL_CMD(ss); virtio_gpu_scanout_blob_bswap(&ss); @@ -852,26 +851,7 @@ static void virgl_cmd_set_scanout_blob(VirtIOGPU *g, return; } - fb.format = virtio_gpu_get_pixman_format(ss.format); - if (!fb.format) { - qemu_log_mask(LOG_GUEST_ERROR, "%s: pixel format not supported %d\n", - __func__, ss.format); - cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; - return; - } - - fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); - fb.width = ss.width; - fb.height = ss.height; - fb.stride = ss.strides[0]; - fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; - - fbend = fb.offset; - fbend += fb.stride * (ss.r.height - 1); - fbend += fb.bytes_pp * ss.r.width; - if (fbend > res->base.blob_size) { - qemu_log_mask(LOG_GUEST_ERROR, "%s: fb end out of range\n", - __func__); + if (!virtio_gpu_scanout_blob_to_fb(&fb, &ss, res->base.blob_size)) { cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; return; } diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index c0570ef856..7d22d03bbf 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -721,13 +721,47 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, &fb, res, &ss.r, &cmd->error); } +bool virtio_gpu_scanout_blob_to_fb(struct virtio_gpu_framebuffer *fb, + struct virtio_gpu_set_scanout_blob *ss, + uint64_t blob_size) +{ + uint64_t fbend; + + fb->format = virtio_gpu_get_pixman_format(ss->format); + if (!fb->format) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: host couldn't handle guest format %d\n", + __func__, ss->format); + return false; + } + + fb->bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb->format), 8); + fb->width = ss->width; + fb->height = ss->height; + fb->stride = ss->strides[0]; + fb->offset = ss->offsets[0] + ss->r.x * fb->bytes_pp + ss->r.y * fb->stride; + + fbend = fb->offset; + fbend += (uint64_t) fb->stride * ss->r.height; + + if (fbend > blob_size) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: fb end out of range\n", + __func__); + return false; + } + + return true; +} + + + static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd) { struct virtio_gpu_simple_resource *res; struct virtio_gpu_framebuffer fb = { 0 }; struct virtio_gpu_set_scanout_blob ss; - uint64_t fbend; VIRTIO_GPU_FILL_CMD(ss); virtio_gpu_scanout_blob_bswap(&ss); @@ -753,28 +787,7 @@ static void virtio_gpu_set_scanout_blob(VirtIOGPU *g, return; } - fb.format = virtio_gpu_get_pixman_format(ss.format); - if (!fb.format) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: host couldn't handle guest format %d\n", - __func__, ss.format); - cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; - return; - } - - fb.bytes_pp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); - fb.width = ss.width; - fb.height = ss.height; - fb.stride = ss.strides[0]; - fb.offset = ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.stride; - - fbend = fb.offset; - fbend += fb.stride * (ss.r.height - 1); - fbend += fb.bytes_pp * ss.r.width; - if (fbend > res->blob_size) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: fb end out of range\n", - __func__); + if (!virtio_gpu_scanout_blob_to_fb(&fb, &ss, res->blob_size)) { cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; return; } diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c index bc360a9ea4..dc031af662 100644 --- a/hw/i386/x86-common.c +++ b/hw/i386/x86-common.c @@ -697,9 +697,11 @@ void x86_load_linux(X86MachineState *x86ms, strlen(kernel_cmdline) + 1); fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline); + setup = g_memdup2(header, sizeof(header)); + fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, sizeof(header)); fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, - header, sizeof(header)); + setup, sizeof(header)); /* load initrd */ if (initrd_filename) { diff --git a/hw/misc/nrf51_rng.c b/hw/misc/nrf51_rng.c index bf1eb0cf4a..2d67f3f766 100644 --- a/hw/misc/nrf51_rng.c +++ b/hw/misc/nrf51_rng.c @@ -107,25 +107,25 @@ static void rng_write(void *opaque, hwaddr offset, break; case NRF51_RNG_REG_SHORTS: s->shortcut_stop_on_valrdy = - (value & BIT_MASK(NRF51_RNG_REG_SHORTS_VALRDY_STOP)) ? 1 : 0; + (value & BIT(NRF51_RNG_REG_SHORTS_VALRDY_STOP)) ? 1 : 0; break; case NRF51_RNG_REG_INTEN: s->interrupt_enabled = - (value & BIT_MASK(NRF51_RNG_REG_INTEN_VALRDY)) ? 1 : 0; + (value & BIT(NRF51_RNG_REG_INTEN_VALRDY)) ? 1 : 0; break; case NRF51_RNG_REG_INTENSET: - if (value & BIT_MASK(NRF51_RNG_REG_INTEN_VALRDY)) { + if (value & BIT(NRF51_RNG_REG_INTEN_VALRDY)) { s->interrupt_enabled = 1; } break; case NRF51_RNG_REG_INTENCLR: - if (value & BIT_MASK(NRF51_RNG_REG_INTEN_VALRDY)) { + if (value & BIT(NRF51_RNG_REG_INTEN_VALRDY)) { s->interrupt_enabled = 0; } break; case NRF51_RNG_REG_CONFIG: s->filter_enabled = - (value & BIT_MASK(NRF51_RNG_REG_CONFIG_DECEN)) ? 1 : 0; + (value & BIT(NRF51_RNG_REG_CONFIG_DECEN)) ? 1 : 0; break; default: diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index f2104ed364..75b4a28fb3 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -2049,6 +2049,21 @@ static ssize_t virtio_net_do_receive(NetClientState *nc, const uint8_t *buf, return virtio_net_receive_rcu(nc, buf, size, false); } +/* + * Accessors to read and write the IP packet data length field. This + * is a potentially unaligned network-byte-order 16 bit unsigned integer + * pointed to by unit->ip_len. + */ +static uint16_t read_unit_ip_len(VirtioNetRscUnit *unit) +{ + return lduw_be_p(unit->ip_plen); +} + +static void write_unit_ip_len(VirtioNetRscUnit *unit, uint16_t l) +{ + stw_be_p(unit->ip_plen, l); +} + static void virtio_net_rsc_extract_unit4(VirtioNetRscChain *chain, const uint8_t *buf, VirtioNetRscUnit *unit) @@ -2063,7 +2078,7 @@ static void virtio_net_rsc_extract_unit4(VirtioNetRscChain *chain, unit->ip_plen = &ip->ip_len; unit->tcp = (struct tcp_header *)(((uint8_t *)unit->ip) + ip_hdrlen); unit->tcp_hdrlen = (htons(unit->tcp->th_offset_flags) & 0xF000) >> 10; - unit->payload = htons(*unit->ip_plen) - ip_hdrlen - unit->tcp_hdrlen; + unit->payload = read_unit_ip_len(unit) - ip_hdrlen - unit->tcp_hdrlen; } static void virtio_net_rsc_extract_unit6(VirtioNetRscChain *chain, @@ -2082,7 +2097,7 @@ static void virtio_net_rsc_extract_unit6(VirtioNetRscChain *chain, /* There is a difference between payload length in ipv4 and v6, ip header is excluded in ipv6 */ - unit->payload = htons(*unit->ip_plen) - unit->tcp_hdrlen; + unit->payload = read_unit_ip_len(unit) - unit->tcp_hdrlen; } static size_t virtio_net_rsc_drain_seg(VirtioNetRscChain *chain, @@ -2231,7 +2246,7 @@ static int32_t virtio_net_rsc_coalesce_data(VirtioNetRscChain *chain, VirtioNetRscUnit *o_unit; o_unit = &seg->unit; - o_ip_len = htons(*o_unit->ip_plen); + o_ip_len = read_unit_ip_len(o_unit); nseq = htonl(n_unit->tcp->th_seq); oseq = htonl(o_unit->tcp->th_seq); @@ -2267,7 +2282,7 @@ coalesce: o_unit->payload += n_unit->payload; /* update new data len */ /* update field in ip header */ - *o_unit->ip_plen = htons(o_ip_len + n_unit->payload); + write_unit_ip_len(o_unit, o_ip_len + n_unit->payload); /* Bring 'PUSH' big, the whql test guide says 'PUSH' can be coalesced for windows guest, while this may change the behavior for linux diff --git a/hw/s390x/ccw-device.c b/hw/s390x/ccw-device.c index 230cc09e03..30f2fb486f 100644 --- a/hw/s390x/ccw-device.c +++ b/hw/s390x/ccw-device.c @@ -73,7 +73,7 @@ static void ccw_device_set_loadparm(Object *obj, Visitor *v, s390_ipl_fmt_loadparm(dev->loadparm, val, errp); } -static const PropertyInfo ccw_loadparm = { +const PropertyInfo ccw_loadparm = { .name = "ccw_loadparm", .description = "Up to 8 chars in set of [A-Za-z0-9. ] to pass" " to the guest loader/kernel", @@ -85,8 +85,6 @@ static Property ccw_device_properties[] = { DEFINE_PROP_CSS_DEV_ID("devno", CcwDevice, devno), DEFINE_PROP_CSS_DEV_ID_RO("dev_id", CcwDevice, dev_id), DEFINE_PROP_CSS_DEV_ID_RO("subch_id", CcwDevice, subch_id), - DEFINE_PROP("loadparm", CcwDevice, loadparm, ccw_loadparm, - typeof(uint8_t[8])), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/s390x/ccw-device.h b/hw/s390x/ccw-device.h index 1e1737c0f3..4439feb140 100644 --- a/hw/s390x/ccw-device.h +++ b/hw/s390x/ccw-device.h @@ -51,4 +51,9 @@ static inline CcwDevice *to_ccw_dev_fast(DeviceState *d) OBJECT_DECLARE_TYPE(CcwDevice, CCWDeviceClass, CCW_DEVICE) +extern const PropertyInfo ccw_loadparm; + +#define DEFINE_PROP_CCW_LOADPARM(_n, _s, _f) \ + DEFINE_PROP(_n, _s, _f, ccw_loadparm, typeof(uint8_t[8])) + #endif diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index dc02b0fdda..30734661ad 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -418,21 +418,9 @@ static uint64_t s390_ipl_map_iplb_chain(IplParameterBlock *iplb_chain) void s390_ipl_fmt_loadparm(uint8_t *loadparm, char *str, Error **errp) { - int i; - /* Initialize the loadparm with spaces */ memset(loadparm, ' ', LOADPARM_LEN); - for (i = 0; i < LOADPARM_LEN && str[i]; i++) { - uint8_t c = qemu_toupper(str[i]); /* mimic HMC */ - - if (qemu_isalnum(c) || c == '.' || c == ' ') { - loadparm[i] = c; - } else { - error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", - c, c); - return; - } - } + qdev_prop_sanitize_s390x_loadparm(loadparm, str, errp); } void s390_ipl_convert_loadparm(char *ascii_lp, uint8_t *ebcdic_lp) @@ -452,6 +440,7 @@ static bool s390_build_iplb(DeviceState *dev_st, IplParameterBlock *iplb) SCSIDevice *sd; int devtype; uint8_t *lp; + g_autofree void *scsi_lp = NULL; /* * Currently allow IPL only from CCW devices. @@ -463,6 +452,10 @@ static bool s390_build_iplb(DeviceState *dev_st, IplParameterBlock *iplb) switch (devtype) { case CCW_DEVTYPE_SCSI: sd = SCSI_DEVICE(dev_st); + scsi_lp = object_property_get_str(OBJECT(sd), "loadparm", NULL); + if (scsi_lp && strlen(scsi_lp) > 0) { + lp = scsi_lp; + } iplb->len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN); iplb->blk0_len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN); diff --git a/hw/s390x/virtio-ccw-blk.c b/hw/s390x/virtio-ccw-blk.c index 8e0e58b77d..2364432c6e 100644 --- a/hw/s390x/virtio-ccw-blk.c +++ b/hw/s390x/virtio-ccw-blk.c @@ -48,6 +48,7 @@ static Property virtio_ccw_blk_properties[] = { VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, VIRTIO_CCW_MAX_REV), + DEFINE_PROP_CCW_LOADPARM("loadparm", CcwDevice, loadparm), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/s390x/virtio-ccw-net.c b/hw/s390x/virtio-ccw-net.c index 484e617659..a4a3f65c7e 100644 --- a/hw/s390x/virtio-ccw-net.c +++ b/hw/s390x/virtio-ccw-net.c @@ -51,6 +51,7 @@ static Property virtio_ccw_net_properties[] = { VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, VIRTIO_CCW_MAX_REV), + DEFINE_PROP_CCW_LOADPARM("loadparm", CcwDevice, loadparm), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index cb222da7a5..8e553487d5 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -32,6 +32,7 @@ #include "migration/vmstate.h" #include "hw/scsi/emulation.h" #include "scsi/constants.h" +#include "sysemu/arch_init.h" #include "sysemu/block-backend.h" #include "sysemu/blockdev.h" #include "hw/block/block.h" @@ -111,6 +112,7 @@ struct SCSIDiskState { char *vendor; char *product; char *device_id; + char *loadparm; /* only for s390x */ bool tray_open; bool tray_locked; /* @@ -3135,6 +3137,43 @@ BlockAIOCB *scsi_dma_writev(int64_t offset, QEMUIOVector *iov, return blk_aio_pwritev(s->qdev.conf.blk, offset, iov, 0, cb, cb_opaque); } +static char *scsi_property_get_loadparm(Object *obj, Error **errp) +{ + return g_strdup(SCSI_DISK_BASE(obj)->loadparm); +} + +static void scsi_property_set_loadparm(Object *obj, const char *value, + Error **errp) +{ + void *lp_str; + + if (object_property_get_int(obj, "bootindex", NULL) < 0) { + error_setg(errp, "'loadparm' is only valid for boot devices"); + return; + } + + lp_str = g_malloc0(strlen(value)); + if (!qdev_prop_sanitize_s390x_loadparm(lp_str, value, errp)) { + g_free(lp_str); + return; + } + SCSI_DISK_BASE(obj)->loadparm = lp_str; +} + +static void scsi_property_add_specifics(DeviceClass *dc) +{ + ObjectClass *oc = OBJECT_CLASS(dc); + + /* The loadparm property is only supported on s390x */ + if (arch_type & QEMU_ARCH_S390X) { + object_class_property_add_str(oc, "loadparm", + scsi_property_get_loadparm, + scsi_property_set_loadparm); + object_class_property_set_description(oc, "loadparm", + "load parameter (s390x only)"); + } +} + static void scsi_disk_base_class_initfn(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -3218,6 +3257,8 @@ static void scsi_hd_class_initfn(ObjectClass *klass, void *data) dc->desc = "virtual SCSI disk"; device_class_set_props(dc, scsi_hd_properties); dc->vmsd = &vmstate_scsi_disk_state; + + scsi_property_add_specifics(dc); } static const TypeInfo scsi_hd_info = { @@ -3258,6 +3299,8 @@ static void scsi_cd_class_initfn(ObjectClass *klass, void *data) dc->desc = "virtual SCSI CD-ROM"; device_class_set_props(dc, scsi_cd_properties); dc->vmsd = &vmstate_scsi_disk_state; + + scsi_property_add_specifics(dc); } static const TypeInfo scsi_cd_info = { diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index dbe5c2340c..37875c02c3 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -233,7 +233,7 @@ static void sdhci_raise_insertion_irq(void *opaque) if (s->norintsts & SDHC_NIS_REMOVE) { timer_mod(s->insert_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); } else { s->prnsts = 0x1ff0000; if (s->norintstsen & SDHC_NISEN_INSERT) { @@ -251,7 +251,7 @@ static void sdhci_set_inserted(DeviceState *dev, bool level) if ((s->norintsts & SDHC_NIS_REMOVE) && level) { /* Give target some time to notice card ejection */ timer_mod(s->insert_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); } else { if (level) { s->prnsts = 0x1ff0000; @@ -289,9 +289,11 @@ static void sdhci_reset(SDHCIState *s) timer_del(s->insert_timer); timer_del(s->transfer_timer); - /* Set all registers to 0. Capabilities/Version registers are not cleared + /* + * Set all registers to 0. Capabilities/Version registers are not cleared * and assumed to always preserve their value, given to them during - * initialization */ + * initialization + */ memset(&s->sdmasysad, 0, (uintptr_t)&s->capareg - (uintptr_t)&s->sdmasysad); /* Reset other state based on current card insertion/readonly status */ @@ -305,7 +307,8 @@ static void sdhci_reset(SDHCIState *s) static void sdhci_poweron_reset(DeviceState *dev) { - /* QOM (ie power-on) reset. This is identical to reset + /* + * QOM (ie power-on) reset. This is identical to reset * commanded via device register apart from handling of the * 'pending insert on powerup' quirk. */ @@ -445,8 +448,10 @@ static void sdhci_read_block_from_card(SDHCIState *s) s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; } - /* If stop at block gap request was set and it's not the last block of - * data - generate Block Event interrupt */ + /* + * If stop at block gap request was set and it's not the last block of + * data - generate Block Event interrupt + */ if (s->stopped_state == sdhc_gap_read && (s->trnmod & SDHC_TRNS_MULTI) && s->blkcnt != 1) { s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; @@ -548,8 +553,10 @@ static void sdhci_write_block_to_card(SDHCIState *s) sdhci_update_irq(s); } -/* Write @size bytes of @value data to host controller @s Buffer Data Port - * register */ +/* + * Write @size bytes of @value data to host controller @s Buffer Data Port + * register + */ static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size) { unsigned i; @@ -594,9 +601,11 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) return; } - /* XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for + /* + * XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for * possible stop at page boundary if initial address is not page aligned, - * allow them to work properly */ + * allow them to work properly + */ if ((s->sdmasysad % boundary_chk) == 0) { page_aligned = true; } @@ -702,7 +711,8 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr) dma_memory_read(s->dma_as, entry_addr, &adma2, sizeof(adma2), MEMTXATTRS_UNSPECIFIED); adma2 = le64_to_cpu(adma2); - /* The spec does not specify endianness of descriptor table. + /* + * The spec does not specify endianness of descriptor table. * We currently assume that it is LE. */ dscr->addr = (hwaddr)extract64(adma2, 32, 32) & ~0x3ull; @@ -977,8 +987,10 @@ static bool sdhci_can_issue_command(SDHCIState *s) return true; } -/* The Buffer Data Port register must be accessed in sequential and - * continuous manner */ +/* + * The Buffer Data Port register must be accessed in sequential and + * continuous manner + */ static inline bool sdhci_buff_access_is_sequential(SDHCIState *s, unsigned byte_num) { @@ -1206,8 +1218,10 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) MASKED_WRITE(s->argument, mask, value); break; case SDHC_TRNMOD: - /* DMA can be enabled only if it is supported as indicated by - * capabilities register */ + /* + * DMA can be enabled only if it is supported as indicated by + * capabilities register + */ if (!(s->capareg & R_SDHC_CAPAB_SDMA_MASK)) { value &= ~SDHC_TRNS_DMA; } @@ -1279,8 +1293,10 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) } else { s->norintsts &= ~SDHC_NIS_ERR; } - /* Quirk for Raspberry Pi: pending card insert interrupt - * appears when first enabled after power on */ + /* + * Quirk for Raspberry Pi: pending card insert interrupt + * appears when first enabled after power on + */ if ((s->norintstsen & SDHC_NISEN_INSERT) && s->pending_insert_state) { assert(s->pending_insert_quirk); s->norintsts |= SDHC_NIS_INSERT; @@ -1396,8 +1412,10 @@ void sdhci_initfn(SDHCIState *s) { qbus_init(&s->sdbus, sizeof(s->sdbus), TYPE_SDHCI_BUS, DEVICE(s), "sd-bus"); - s->insert_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_raise_insertion_irq, s); - s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_data_transfer, s); + s->insert_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, + sdhci_raise_insertion_irq, s); + s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, + sdhci_data_transfer, s); s->io_ops = &sdhci_mmio_le_ops; } @@ -1445,11 +1463,13 @@ void sdhci_common_realize(SDHCIState *s, Error **errp) void sdhci_common_unrealize(SDHCIState *s) { - /* This function is expected to be called only once for each class: + /* + * This function is expected to be called only once for each class: * - SysBus: via DeviceClass->unrealize(), * - PCI: via PCIDeviceClass->exit(). * However to avoid double-free and/or use-after-free we still nullify - * this variable (better safe than sorry!). */ + * this variable (better safe than sorry!). + */ g_free(s->fifo_buffer); s->fifo_buffer = NULL; } diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c index 06e9537d03..2c3640c705 100644 --- a/hw/usb/dev-hub.c +++ b/hw/usb/dev-hub.c @@ -479,6 +479,7 @@ static void usb_hub_handle_control(USBDevice *dev, USBPacket *p, usb_hub_port_clear(port, PORT_STAT_SUSPEND); port->wPortChange = 0; } + break; default: goto fail; } diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index 24703c814a..c1cd7736cd 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -662,6 +662,7 @@ static Property vfio_ccw_properties[] = { DEFINE_PROP_LINK("iommufd", VFIOCCWDevice, vdev.iommufd, TYPE_IOMMUFD_BACKEND, IOMMUFDBackend *), #endif + DEFINE_PROP_CCW_LOADPARM("loadparm", CcwDevice, loadparm), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index 809b157674..6f86c37d97 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -103,7 +103,7 @@ static void vfio_container_instance_finalize(Object *obj) VFIOContainerBase *bcontainer = VFIO_IOMMU(obj); VFIOGuestIOMMU *giommu, *tmp; - QLIST_REMOVE(bcontainer, next); + QLIST_SAFE_REMOVE(bcontainer, next); QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) { memory_region_unregister_iommu_notifier( diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c index a95d441f68..4047f4f071 100644 --- a/hw/vfio/igd.c +++ b/hw/vfio/igd.c @@ -88,6 +88,9 @@ static int igd_gen(VFIOPCIDevice *vdev) case 0x2200: case 0x5900: return 8; + /* CoffeeLake */ + case 0x3e00: + return 9; /* ElkhartLake */ case 0x4500: return 11; @@ -498,7 +501,7 @@ static int igd_get_stolen_mb(int gen, uint32_t gmch) if (gms < 0xf0) return gms * 32; else - return gms * 4 + 4; + return (gms - 0xf0) * 4 + 4; } } diff --git a/hw/watchdog/cmsdk-apb-watchdog.c b/hw/watchdog/cmsdk-apb-watchdog.c index 7ad46f9410..e4d25a25f7 100644 --- a/hw/watchdog/cmsdk-apb-watchdog.c +++ b/hw/watchdog/cmsdk-apb-watchdog.c @@ -12,8 +12,8 @@ /* * This is a model of the "APB watchdog" which is part of the Cortex-M * System Design Kit (CMSDK) and documented in the Cortex-M System - * Design Kit Technical Reference Manual (ARM DDI0479C): - * https://developer.arm.com/products/system-design/system-design-kits/cortex-m-system-design-kit + * Design Kit Technical Reference Manual (ARM DDI0479): + * https://developer.arm.com/documentation/ddi0479/ * * We also support the variant of this device found in the TI * Stellaris/Luminary boards and documented in: diff --git a/include/hw/misc/mos6522.h b/include/hw/misc/mos6522.h index fba45668ab..920871a598 100644 --- a/include/hw/misc/mos6522.h +++ b/include/hw/misc/mos6522.h @@ -154,7 +154,7 @@ struct MOS6522State { OBJECT_DECLARE_TYPE(MOS6522State, MOS6522DeviceClass, MOS6522) struct MOS6522DeviceClass { - DeviceClass parent_class; + SysBusDeviceClass parent_class; ResettablePhases parent_phases; void (*portB_write)(MOS6522State *dev); diff --git a/include/hw/qdev-properties-system.h b/include/hw/qdev-properties-system.h index cdcc63056e..7ec37f6316 100644 --- a/include/hw/qdev-properties-system.h +++ b/include/hw/qdev-properties-system.h @@ -3,6 +3,9 @@ #include "hw/qdev-properties.h" +bool qdev_prop_sanitize_s390x_loadparm(uint8_t *loadparm, const char *str, + Error **errp); + extern const PropertyInfo qdev_prop_chr; extern const PropertyInfo qdev_prop_macaddr; extern const PropertyInfo qdev_prop_reserved_region; diff --git a/include/hw/usb/dwc2-regs.h b/include/hw/usb/dwc2-regs.h index 523b112c5e..b8b4266543 100644 --- a/include/hw/usb/dwc2-regs.h +++ b/include/hw/usb/dwc2-regs.h @@ -838,7 +838,7 @@ struct dwc2_dma_desc { uint32_t status; uint32_t buf; -} __packed; +} QEMU_PACKED; /* Host Mode DMA descriptor status quadlet */ diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 553799b8cc..8c977beebd 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -333,6 +333,21 @@ void virtio_gpu_update_cursor_data(VirtIOGPU *g, struct virtio_gpu_scanout *s, uint32_t resource_id); +/** + * virtio_gpu_scanout_blob_to_fb() - fill out fb based on scanout data + * fb: the frame-buffer descriptor to fill out + * ss: the scanout blob data + * blob_size: size of scanout blob data + * + * This will check we have enough space for the frame taking into + * account that stride. + * + * Returns true on success, otherwise logs guest error and returns false + */ +bool virtio_gpu_scanout_blob_to_fb(struct virtio_gpu_framebuffer *fb, + struct virtio_gpu_set_scanout_blob *ss, + uint64_t blob_size); + /* virtio-gpu-udmabuf.c */ bool virtio_gpu_have_udmabuf(void); void virtio_gpu_init_udmabuf(struct virtio_gpu_simple_resource *res); diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index 060c23c04d..b9ea9e824e 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -102,7 +102,7 @@ typedef struct VirtioNetRscStat { /* Rsc unit general info used to checking if can coalescing */ typedef struct VirtioNetRscUnit { void *ip; /* ip header */ - uint16_t *ip_plen; /* data len pointer in ip header field */ + void *ip_plen; /* pointer to unaligned uint16_t data len in ip header */ struct tcp_header *tcp; /* tcp header */ uint16_t tcp_hdrlen; /* tcp header len */ uint16_t payload; /* pure payload without virtio/eth/ip/tcp */ diff --git a/include/net/eth.h b/include/net/eth.h index 3b80b6e07f..14c34f530f 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -56,7 +56,7 @@ struct ip_header { uint8_t ip_p; /* protocol */ uint16_t ip_sum; /* checksum */ uint32_t ip_src, ip_dst; /* source and destination address */ -}; +} QEMU_PACKED; typedef struct tcp_header { uint16_t th_sport; /* source port */ diff --git a/pc-bios/s390-ccw.img b/pc-bios/s390-ccw.img Binary files differindex f9bac25306..0cbedf0fa6 100644 --- a/pc-bios/s390-ccw.img +++ b/pc-bios/s390-ccw.img diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c index a4d1c05aac..76bf743900 100644 --- a/pc-bios/s390-ccw/main.c +++ b/pc-bios/s390-ccw/main.c @@ -191,7 +191,7 @@ static void boot_setup(void) { char lpmsg[] = "LOADPARM=[________]\n"; - if (memcmp(iplb.loadparm, NO_LOADPARM, LOADPARM_LEN) != 0) { + if (have_iplb && memcmp(iplb.loadparm, NO_LOADPARM, LOADPARM_LEN) != 0) { ebcdic_to_ascii((char *) iplb.loadparm, loadparm_str, LOADPARM_LEN); } else { sclp_get_loadparm_ascii(loadparm_str); @@ -242,6 +242,7 @@ static bool find_boot_device(void) static int virtio_setup(void) { VDev *vdev = virtio_get_device(); + vdev->is_cdrom = false; int ret; switch (vdev->senseid.cu_model) { @@ -315,6 +316,7 @@ void main(void) css_setup(); have_iplb = store_iplb(&iplb); if (!have_iplb) { + boot_setup(); probe_boot_device(); } diff --git a/pc-bios/s390-ccw/virtio-net.c b/pc-bios/s390-ccw/virtio-net.c index f9854a22c3..578c89d0c5 100644 --- a/pc-bios/s390-ccw/virtio-net.c +++ b/pc-bios/s390-ccw/virtio-net.c @@ -51,6 +51,8 @@ int virtio_net_init(void *mac_addr) void *buf; int i; + rx_last_idx = 0; + vdev->guest_features[0] = VIRTIO_NET_F_MAC_BIT; virtio_setup_ccw(vdev); diff --git a/system/vl.c b/system/vl.c index d217b3d64d..3bb8f2db9a 100644 --- a/system/vl.c +++ b/system/vl.c @@ -2427,15 +2427,15 @@ static void qemu_validate_options(const QDict *machine_opts) const char *kernel_cmdline = qdict_get_try_str(machine_opts, "append"); if (kernel_filename == NULL) { - if (kernel_cmdline != NULL) { - error_report("-append only allowed with -kernel option"); - exit(1); - } - - if (initrd_filename != NULL) { - error_report("-initrd only allowed with -kernel option"); - exit(1); - } + if (kernel_cmdline != NULL) { + error_report("-append only allowed with -kernel option"); + exit(1); + } + + if (initrd_filename != NULL) { + error_report("-initrd only allowed with -kernel option"); + exit(1); + } } if (loadvm && incoming) { diff --git a/target/i386/kvm/hyperv-stub.c b/target/i386/kvm/hyperv-stub.c index 3263dcf05d..5836f53c23 100644 --- a/target/i386/kvm/hyperv-stub.c +++ b/target/i386/kvm/hyperv-stub.c @@ -56,3 +56,8 @@ void hyperv_x86_synic_update(X86CPU *cpu) void hyperv_x86_set_vmbus_recommended_features_enabled(void) { } + +uint64_t hyperv_syndbg_query_options(void) +{ + return 0; +} diff --git a/target/s390x/tcg/fpu_helper.c b/target/s390x/tcg/fpu_helper.c index d8bd5748fa..5041c13962 100644 --- a/target/s390x/tcg/fpu_helper.c +++ b/target/s390x/tcg/fpu_helper.c @@ -780,7 +780,7 @@ uint32_t HELPER(kxb)(CPUS390XState *env, Int128 a, Int128 b) uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) { - float32 ret = float32_muladd(f2, f3, f1, 0, &env->fpu_status); + float32 ret = float32_muladd(f3, f2, f1, 0, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; } @@ -789,7 +789,7 @@ uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t HELPER(madb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) { - float64 ret = float64_muladd(f2, f3, f1, 0, &env->fpu_status); + float64 ret = float64_muladd(f3, f2, f1, 0, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; } @@ -798,7 +798,7 @@ uint64_t HELPER(madb)(CPUS390XState *env, uint64_t f1, uint64_t HELPER(mseb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) { - float32 ret = float32_muladd(f2, f3, f1, float_muladd_negate_c, + float32 ret = float32_muladd(f3, f2, f1, float_muladd_negate_c, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; @@ -808,7 +808,7 @@ uint64_t HELPER(mseb)(CPUS390XState *env, uint64_t f1, uint64_t HELPER(msdb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) { - float64 ret = float64_muladd(f2, f3, f1, float_muladd_negate_c, + float64 ret = float64_muladd(f3, f2, f1, float_muladd_negate_c, &env->fpu_status); handle_exceptions(env, false, GETPC()); return ret; diff --git a/target/s390x/tcg/vec_fpu_helper.c b/target/s390x/tcg/vec_fpu_helper.c index 75cf605b9f..1bbaa82fe8 100644 --- a/target/s390x/tcg/vec_fpu_helper.c +++ b/target/s390x/tcg/vec_fpu_helper.c @@ -621,8 +621,8 @@ static void vfma32(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, int i; for (i = 0; i < 4; i++) { - const float32 a = s390_vec_read_float32(v2, i); - const float32 b = s390_vec_read_float32(v3, i); + const float32 a = s390_vec_read_float32(v3, i); + const float32 b = s390_vec_read_float32(v2, i); const float32 c = s390_vec_read_float32(v4, i); float32 ret = float32_muladd(a, b, c, flags, &env->fpu_status); @@ -645,8 +645,8 @@ static void vfma64(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, int i; for (i = 0; i < 2; i++) { - const float64 a = s390_vec_read_float64(v2, i); - const float64 b = s390_vec_read_float64(v3, i); + const float64 a = s390_vec_read_float64(v3, i); + const float64 b = s390_vec_read_float64(v2, i); const float64 c = s390_vec_read_float64(v4, i); const float64 ret = float64_muladd(a, b, c, flags, &env->fpu_status); @@ -664,8 +664,8 @@ static void vfma128(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, const S390Vector *v4, CPUS390XState *env, bool s, int flags, uintptr_t retaddr) { - const float128 a = s390_vec_read_float128(v2); - const float128 b = s390_vec_read_float128(v3); + const float128 a = s390_vec_read_float128(v3); + const float128 b = s390_vec_read_float128(v2); const float128 c = s390_vec_read_float128(v4); uint8_t vxc, vec_exc = 0; float128 ret; diff --git a/tests/qtest/migration-helpers.c b/tests/qtest/migration-helpers.c index 0025933883..3f8ba7fa8e 100644 --- a/tests/qtest/migration-helpers.c +++ b/tests/qtest/migration-helpers.c @@ -140,8 +140,8 @@ static void migrate_set_ports(QTestState *to, QList *channel_list) if (qdict_haskey(addrdict, "port") && qdict_haskey(addr, "port") && (strcmp(qdict_get_str(addrdict, "port"), "0") == 0)) { - addr_port = qdict_get_str(addr, "port"); - qdict_put_str(addrdict, "port", addr_port); + addr_port = qdict_get_str(addr, "port"); + qdict_put_str(addrdict, "port", addr_port); } } diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c index e6a2803e71..74d3000198 100644 --- a/tests/qtest/migration-test.c +++ b/tests/qtest/migration-test.c @@ -113,8 +113,8 @@ static bool ufd_version_check(void) } uffd_feature_thread_id = api_struct.features & UFFD_FEATURE_THREAD_ID; - ioctl_mask = 1ULL << _UFFDIO_REGISTER | - 1ULL << _UFFDIO_UNREGISTER; + ioctl_mask = (1ULL << _UFFDIO_REGISTER | + 1ULL << _UFFDIO_UNREGISTER); if ((api_struct.ioctls & ioctl_mask) != ioctl_mask) { g_test_message("Skipping test: Missing userfault feature"); return false; @@ -423,7 +423,7 @@ static void migrate_set_parameter_str(QTestState *who, const char *parameter, } static long long migrate_get_parameter_bool(QTestState *who, - const char *parameter) + const char *parameter) { QDict *rsp; int result; @@ -436,7 +436,7 @@ static long long migrate_get_parameter_bool(QTestState *who, } static void migrate_check_parameter_bool(QTestState *who, const char *parameter, - int value) + int value) { int result; @@ -445,7 +445,7 @@ static void migrate_check_parameter_bool(QTestState *who, const char *parameter, } static void migrate_set_parameter_bool(QTestState *who, const char *parameter, - int value) + int value) { qtest_qmp_assert_success(who, "{ 'execute': 'migrate-set-parameters'," @@ -1384,8 +1384,10 @@ static void test_postcopy_preempt_tls_psk(void) static void wait_for_postcopy_status(QTestState *one, const char *status) { wait_for_migration_status(one, status, - (const char * []) { "failed", "active", - "completed", NULL }); + (const char * []) { + "failed", "active", + "completed", NULL + }); } static void postcopy_recover_fail(QTestState *from, QTestState *to, @@ -2575,15 +2577,17 @@ static void test_migrate_fd_finish_hook(QTestState *from, /* Test closing fds */ /* We assume, that QEMU removes named fd from its list, * so this should fail */ - rsp = qtest_qmp(from, "{ 'execute': 'closefd'," - " 'arguments': { 'fdname': 'fd-mig' }}"); + rsp = qtest_qmp(from, + "{ 'execute': 'closefd'," + " 'arguments': { 'fdname': 'fd-mig' }}"); g_assert_true(qdict_haskey(rsp, "error")); error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); qobject_unref(rsp); - rsp = qtest_qmp(to, "{ 'execute': 'closefd'," - " 'arguments': { 'fdname': 'fd-mig' }}"); + rsp = qtest_qmp(to, + "{ 'execute': 'closefd'," + " 'arguments': { 'fdname': 'fd-mig' }}"); g_assert_true(qdict_haskey(rsp, "error")); error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); @@ -2741,11 +2745,11 @@ static void test_validate_uri_channels_both_set(void) }, .listen_uri = "defer", .connect_uri = "tcp:127.0.0.1:0", - .connect_channels = "[ { 'channel-type': 'main'," - " 'addr': { 'transport': 'socket'," - " 'type': 'inet'," - " 'host': '127.0.0.1'," - " 'port': '0' } } ]", + .connect_channels = ("[ { ""'channel-type': 'main'," + " 'addr': { 'transport': 'socket'," + " 'type': 'inet'," + " 'host': '127.0.0.1'," + " 'port': '0' } } ]"), }; do_test_validate_uri_channel(&args); @@ -2967,7 +2971,7 @@ test_migrate_precopy_tcp_multifd_qatzip_start(QTestState *from, #ifdef CONFIG_QPL static void * test_migrate_precopy_tcp_multifd_qpl_start(QTestState *from, - QTestState *to) + QTestState *to) { return test_migrate_precopy_tcp_multifd_start_common(from, to, "qpl"); } @@ -3032,11 +3036,11 @@ static void test_multifd_tcp_channels_none(void) .listen_uri = "defer", .start_hook = test_migrate_precopy_tcp_multifd_start, .live = true, - .connect_channels = "[ { 'channel-type': 'main'," - " 'addr': { 'transport': 'socket'," - " 'type': 'inet'," - " 'host': '127.0.0.1'," - " 'port': '0' } } ]", + .connect_channels = ("[ { 'channel-type': 'main'," + " 'addr': { 'transport': 'socket'," + " 'type': 'inet'," + " 'host': '127.0.0.1'," + " 'port': '0' } } ]"), }; test_precopy_common(&args); } @@ -3668,7 +3672,8 @@ static void test_migrate_dirty_limit(void) throttle_us_per_full = 0; while (throttle_us_per_full == 0) { throttle_us_per_full = - read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); + read_migrate_property_int(from, + "dirty-limit-throttle-time-per-round"); usleep(100); g_assert_false(src_state.stop_seen); } @@ -3680,7 +3685,8 @@ static void test_migrate_dirty_limit(void) /* Check if dirty limit throttle switched off, set timeout 1ms */ do { throttle_us_per_full = - read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); + read_migrate_property_int(from, + "dirty-limit-throttle-time-per-round"); usleep(100); g_assert_false(src_state.stop_seen); } while (throttle_us_per_full != 0 && --max_try_count); @@ -3709,7 +3715,8 @@ static void test_migrate_dirty_limit(void) throttle_us_per_full = 0; while (throttle_us_per_full == 0) { throttle_us_per_full = - read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); + read_migrate_property_int(from, + "dirty-limit-throttle-time-per-round"); usleep(100); g_assert_false(src_state.stop_seen); } @@ -3989,7 +3996,7 @@ int main(int argc, char **argv) #endif #ifdef CONFIG_QATZIP migration_test_add("/migration/multifd/tcp/plain/qatzip", - test_multifd_tcp_qatzip); + test_multifd_tcp_qatzip); #endif #ifdef CONFIG_QPL migration_test_add("/migration/multifd/tcp/plain/qpl", diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 2dab4f4582..da5fe71a40 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -74,8 +74,11 @@ $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) ifneq ($(CROSS_CC_HAS_Z14),) -Z14_TESTS=vfminmax +Z14_TESTS=fma vfminmax +fma: float.h +fma: LDFLAGS+=-lm vfminmax: LDFLAGS+=-lm +vfminmax: float.h $(Z14_TESTS): CFLAGS+=-march=z14 -O2 TESTS+=$(Z14_TESTS) endif diff --git a/tests/tcg/s390x/float.h b/tests/tcg/s390x/float.h new file mode 100644 index 0000000000..9d1682b8fc --- /dev/null +++ b/tests/tcg/s390x/float.h @@ -0,0 +1,104 @@ +/* + * Helpers for floating-point tests. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef FLOAT_H +#define FLOAT_H + +/* + * Floating-point value classes. + */ +#define N_FORMATS 3 +#define CLASS_MINUS_INF 0 +#define CLASS_MINUS_FN 1 +#define CLASS_MINUS_ZERO 2 +#define CLASS_PLUS_ZERO 3 +#define CLASS_PLUS_FN 4 +#define CLASS_PLUS_INF 5 +#define CLASS_QNAN 6 +#define CLASS_SNAN 7 +#define N_SIGNED_CLASSES 8 +static const size_t float_sizes[N_FORMATS] = { + /* M4 == 2: short */ 4, + /* M4 == 3: long */ 8, + /* M4 == 4: extended */ 16, +}; +static const size_t e_bits[N_FORMATS] = { + /* M4 == 2: short */ 8, + /* M4 == 3: long */ 11, + /* M4 == 4: extended */ 15, +}; +struct float_class { + size_t n; + unsigned char v[2][16]; +}; +static const struct float_class signed_floats[N_FORMATS][N_SIGNED_CLASSES] = { + /* M4 == 2: short */ + { + /* -inf */ {1, {{0xff, 0x80, 0x00, 0x00}}}, + /* -Fn */ {2, {{0xc2, 0x28, 0x00, 0x00}, + {0xc2, 0x29, 0x00, 0x00}}}, + /* -0 */ {1, {{0x80, 0x00, 0x00, 0x00}}}, + /* +0 */ {1, {{0x00, 0x00, 0x00, 0x00}}}, + /* +Fn */ {2, {{0x42, 0x28, 0x00, 0x00}, + {0x42, 0x2a, 0x00, 0x00}}}, + /* +inf */ {1, {{0x7f, 0x80, 0x00, 0x00}}}, + /* QNaN */ {2, {{0x7f, 0xff, 0xff, 0xff}, + {0x7f, 0xff, 0xff, 0xfe}}}, + /* SNaN */ {2, {{0x7f, 0xbf, 0xff, 0xff}, + {0x7f, 0xbf, 0xff, 0xfd}}}, + }, + + /* M4 == 3: long */ + { + /* -inf */ {1, {{0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* -Fn */ {2, {{0xc0, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xc0, 0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* -0 */ {1, {{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +0 */ {1, {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +Fn */ {2, {{0x40, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0x40, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +inf */ {1, {{0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* QNaN */ {2, {{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}}}, + /* SNaN */ {2, {{0x7f, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x7f, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd}}}, + }, + + /* M4 == 4: extended */ + { + /* -inf */ {1, {{0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* -Fn */ {2, {{0xc0, 0x04, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xc0, 0x04, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* -0 */ {1, {{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +0 */ {1, {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +Fn */ {2, {{0x40, 0x04, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0x40, 0x04, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* +inf */ {1, {{0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}}, + /* QNaN */ {2, {{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}}}, + /* SNaN */ {2, {{0x7f, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + {0x7f, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd}}}, + }, +}; +static const unsigned char default_nans[N_FORMATS][16] = { + /* M4 == 2: short */ {0x7f, 0xc0, 0x00, 0x00}, + /* M4 == 3: long */ {0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + /* M4 == 4: extended */ {0x7f, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, +}; + +static void dump_v(FILE *f, const void *v, size_t n) +{ + for (int i = 0; i < n; i++) { + fprintf(f, "%02x", ((const unsigned char *)v)[i]); + } +} + +static void snan_to_qnan(char *v, int fmt) +{ + size_t bit = 1 + e_bits[fmt]; + v[bit / 8] |= 1 << (7 - (bit % 8)); +} + +#endif diff --git a/tests/tcg/s390x/fma.c b/tests/tcg/s390x/fma.c new file mode 100644 index 0000000000..6872f59a7a --- /dev/null +++ b/tests/tcg/s390x/fma.c @@ -0,0 +1,233 @@ +/* + * Test floating-point multiply-and-add instructions. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <fenv.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "float.h" + +union val { + float e; + double d; + long double x; + char buf[16]; +}; + +/* + * PoP tables as close to the original as possible. + */ +static const char *table1[N_SIGNED_CLASSES][N_SIGNED_CLASSES] = { + /* -inf -Fn -0 +0 +Fn +inf QNaN SNaN */ + {/* -inf */ "P(+inf)", "P(+inf)", "Xi: T(dNaN)", "Xi: T(dNaN)", "P(-inf)", "P(-inf)", "P(b)", "Xi: T(b*)"}, + {/* -Fn */ "P(+inf)", "P(a*b)", "P(+0)", "P(-0)", "P(a*b)", "P(-inf)", "P(b)", "Xi: T(b*)"}, + {/* -0 */ "Xi: T(dNaN)", "P(+0)", "P(+0)", "P(-0)", "P(-0)", "Xi: T(dNaN)", "P(b)", "Xi: T(b*)"}, + {/* +0 */ "Xi: T(dNaN)", "P(-0)", "P(-0)", "P(+0)", "P(+0)", "Xi: T(dNaN)", "P(b)", "Xi: T(b*)"}, + {/* +Fn */ "P(-inf)", "P(a*b)", "P(-0)", "P(+0)", "P(a*b)", "P(+inf)", "P(b)", "Xi: T(b*)"}, + {/* +inf */ "P(-inf)", "P(-inf)", "Xi: T(dNaN)", "Xi: T(dNaN)", "P(+inf)", "P(+inf)", "P(b)", "Xi: T(b*)"}, + {/* QNaN */ "P(a)", "P(a)", "P(a)", "P(a)", "P(a)", "P(a)", "P(a)", "Xi: T(b*)"}, + {/* SNaN */ "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)", "Xi: T(a*)"}, +}; + +static const char *table2[N_SIGNED_CLASSES][N_SIGNED_CLASSES] = { + /* -inf -Fn -0 +0 +Fn +inf QNaN SNaN */ + {/* -inf */ "T(-inf)", "T(-inf)", "T(-inf)", "T(-inf)", "T(-inf)", "Xi: T(dNaN)", "T(c)", "Xi: T(c*)"}, + {/* -Fn */ "T(-inf)", "R(p+c)", "R(p)", "R(p)", "R(p+c)", "T(+inf)", "T(c)", "Xi: T(c*)"}, + {/* -0 */ "T(-inf)", "R(c)", "T(-0)", "Rezd", "R(c)", "T(+inf)", "T(c)", "Xi: T(c*)"}, + {/* +0 */ "T(-inf)", "R(c)", "Rezd", "T(+0)", "R(c)", "T(+inf)", "T(c)", "Xi: T(c*)"}, + {/* +Fn */ "T(-inf)", "R(p+c)", "R(p)", "R(p)", "R(p+c)", "T(+inf)", "T(c)", "Xi: T(c*)"}, + {/* +inf */ "Xi: T(dNaN)", "T(+inf)", "T(+inf)", "T(+inf)", "T(+inf)", "T(+inf)", "T(c)", "Xi: T(c*)"}, + {/* QNaN */ "T(p)", "T(p)", "T(p)", "T(p)", "T(p)", "T(p)", "T(p)", "Xi: T(c*)"}, + /* SNaN: can't happen */ +}; + +static void interpret_tables(union val *r, bool *xi, int fmt, + int cls_a, const union val *a, + int cls_b, const union val *b, + int cls_c, const union val *c) +{ + const char *spec1 = table1[cls_a][cls_b]; + const char *spec2; + union val p; + int cls_p; + + *xi = false; + + if (strcmp(spec1, "P(-inf)") == 0) { + cls_p = CLASS_MINUS_INF; + } else if (strcmp(spec1, "P(+inf)") == 0) { + cls_p = CLASS_PLUS_INF; + } else if (strcmp(spec1, "P(-0)") == 0) { + cls_p = CLASS_MINUS_ZERO; + } else if (strcmp(spec1, "P(+0)") == 0) { + cls_p = CLASS_PLUS_ZERO; + } else if (strcmp(spec1, "P(a)") == 0) { + cls_p = cls_a; + memcpy(&p, a, sizeof(p)); + } else if (strcmp(spec1, "P(b)") == 0) { + cls_p = cls_b; + memcpy(&p, b, sizeof(p)); + } else if (strcmp(spec1, "P(a*b)") == 0) { + /* + * In the general case splitting fma into multiplication and addition + * doesn't work, but this is the case with our test inputs. + */ + cls_p = cls_a == cls_b ? CLASS_PLUS_FN : CLASS_MINUS_FN; + switch (fmt) { + case 0: + p.e = a->e * b->e; + break; + case 1: + p.d = a->d * b->d; + break; + case 2: + p.x = a->x * b->x; + break; + default: + fprintf(stderr, "Unsupported fmt: %d\n", fmt); + exit(1); + } + } else if (strcmp(spec1, "Xi: T(dNaN)") == 0) { + memcpy(r, default_nans[fmt], sizeof(*r)); + *xi = true; + return; + } else if (strcmp(spec1, "Xi: T(a*)") == 0) { + memcpy(r, a, sizeof(*r)); + snan_to_qnan(r->buf, fmt); + *xi = true; + return; + } else if (strcmp(spec1, "Xi: T(b*)") == 0) { + memcpy(r, b, sizeof(*r)); + snan_to_qnan(r->buf, fmt); + *xi = true; + return; + } else { + fprintf(stderr, "Unsupported spec1: %s\n", spec1); + exit(1); + } + + spec2 = table2[cls_p][cls_c]; + if (strcmp(spec2, "T(-inf)") == 0) { + memcpy(r, signed_floats[fmt][CLASS_MINUS_INF].v[0], sizeof(*r)); + } else if (strcmp(spec2, "T(+inf)") == 0) { + memcpy(r, signed_floats[fmt][CLASS_PLUS_INF].v[0], sizeof(*r)); + } else if (strcmp(spec2, "T(-0)") == 0) { + memcpy(r, signed_floats[fmt][CLASS_MINUS_ZERO].v[0], sizeof(*r)); + } else if (strcmp(spec2, "T(+0)") == 0 || strcmp(spec2, "Rezd") == 0) { + memcpy(r, signed_floats[fmt][CLASS_PLUS_ZERO].v[0], sizeof(*r)); + } else if (strcmp(spec2, "R(c)") == 0 || strcmp(spec2, "T(c)") == 0) { + memcpy(r, c, sizeof(*r)); + } else if (strcmp(spec2, "R(p)") == 0 || strcmp(spec2, "T(p)") == 0) { + memcpy(r, &p, sizeof(*r)); + } else if (strcmp(spec2, "R(p+c)") == 0 || strcmp(spec2, "T(p+c)") == 0) { + switch (fmt) { + case 0: + r->e = p.e + c->e; + break; + case 1: + r->d = p.d + c->d; + break; + case 2: + r->x = p.x + c->x; + break; + default: + fprintf(stderr, "Unsupported fmt: %d\n", fmt); + exit(1); + } + } else if (strcmp(spec2, "Xi: T(dNaN)") == 0) { + memcpy(r, default_nans[fmt], sizeof(*r)); + *xi = true; + } else if (strcmp(spec2, "Xi: T(c*)") == 0) { + memcpy(r, c, sizeof(*r)); + snan_to_qnan(r->buf, fmt); + *xi = true; + } else { + fprintf(stderr, "Unsupported spec2: %s\n", spec2); + exit(1); + } +} + +struct iter { + int fmt; + int cls[3]; + int val[3]; +}; + +static bool iter_next(struct iter *it) +{ + int i; + + for (i = 2; i >= 0; i--) { + if (++it->val[i] != signed_floats[it->fmt][it->cls[i]].n) { + return true; + } + it->val[i] = 0; + + if (++it->cls[i] != N_SIGNED_CLASSES) { + return true; + } + it->cls[i] = 0; + } + + return ++it->fmt != N_FORMATS; +} + +int main(void) +{ + int ret = EXIT_SUCCESS; + struct iter it = {}; + + do { + size_t n = float_sizes[it.fmt]; + union val a, b, c, exp, res; + bool xi_exp, xi; + + memcpy(&a, signed_floats[it.fmt][it.cls[0]].v[it.val[0]], sizeof(a)); + memcpy(&b, signed_floats[it.fmt][it.cls[1]].v[it.val[1]], sizeof(b)); + memcpy(&c, signed_floats[it.fmt][it.cls[2]].v[it.val[2]], sizeof(c)); + + interpret_tables(&exp, &xi_exp, it.fmt, + it.cls[1], &b, it.cls[2], &c, it.cls[0], &a); + + memcpy(&res, &a, sizeof(res)); + feclearexcept(FE_ALL_EXCEPT); + switch (it.fmt) { + case 0: + asm("maebr %[a],%[b],%[c]" + : [a] "+f" (res.e) : [b] "f" (b.e), [c] "f" (c.e)); + break; + case 1: + asm("madbr %[a],%[b],%[c]" + : [a] "+f" (res.d) : [b] "f" (b.d), [c] "f" (c.d)); + break; + case 2: + asm("wfmaxb %[a],%[c],%[b],%[a]" + : [a] "+v" (res.x) : [b] "v" (b.x), [c] "v" (c.x)); + break; + default: + fprintf(stderr, "Unsupported fmt: %d\n", it.fmt); + exit(1); + } + xi = fetestexcept(FE_ALL_EXCEPT) == FE_INVALID; + + if (memcmp(&res, &exp, n) != 0 || xi != xi_exp) { + fprintf(stderr, "[ FAILED ] "); + dump_v(stderr, &b, n); + fprintf(stderr, " * "); + dump_v(stderr, &c, n); + fprintf(stderr, " + "); + dump_v(stderr, &a, n); + fprintf(stderr, ": actual="); + dump_v(stderr, &res, n); + fprintf(stderr, "/%d, expected=", (int)xi); + dump_v(stderr, &exp, n); + fprintf(stderr, "/%d\n", (int)xi_exp); + ret = EXIT_FAILURE; + } + } while (iter_next(&it)); + + return ret; +} diff --git a/tests/tcg/s390x/vfminmax.c b/tests/tcg/s390x/vfminmax.c index 22629df160..e66285f762 100644 --- a/tests/tcg/s390x/vfminmax.c +++ b/tests/tcg/s390x/vfminmax.c @@ -4,6 +4,8 @@ #include <stdio.h> #include <string.h> +#include "float.h" + /* * vfmin/vfmax instruction execution. */ @@ -21,99 +23,22 @@ static void vfminmax(unsigned int op, unsigned int m4, unsigned int m5, unsigned int m6, void *v1, const void *v2, const void *v3) { - insn[3] = (m6 << 4) | m5; - insn[4] = (m4 << 4) | 0x0e; - insn[5] = op; + insn[3] = (m6 << 4) | m5; + insn[4] = (m4 << 4) | 0x0e; + insn[5] = op; asm("vl %%v25,%[v2]\n" "vl %%v26,%[v3]\n" "ex 0,%[insn]\n" "vst %%v24,%[v1]\n" : [v1] "=m" (*(char (*)[16])v1) - : [v2] "m" (*(char (*)[16])v2) - , [v3] "m" (*(char (*)[16])v3) - , [insn] "m"(insn) + : [v2] "m" (*(const char (*)[16])v2) + , [v3] "m" (*(const char (*)[16])v3) + , [insn] "m" (insn) : "v24", "v25", "v26"); } /* - * Floating-point value classes. - */ -#define N_FORMATS 3 -#define N_SIGNED_CLASSES 8 -static const size_t float_sizes[N_FORMATS] = { - /* M4 == 2: short */ 4, - /* M4 == 3: long */ 8, - /* M4 == 4: extended */ 16, -}; -static const size_t e_bits[N_FORMATS] = { - /* M4 == 2: short */ 8, - /* M4 == 3: long */ 11, - /* M4 == 4: extended */ 15, -}; -static const unsigned char signed_floats[N_FORMATS][N_SIGNED_CLASSES][2][16] = { - /* M4 == 2: short */ - { - /* -inf */ {{0xff, 0x80, 0x00, 0x00}, - {0xff, 0x80, 0x00, 0x00}}, - /* -Fn */ {{0xc2, 0x28, 0x00, 0x00}, - {0xc2, 0x29, 0x00, 0x00}}, - /* -0 */ {{0x80, 0x00, 0x00, 0x00}, - {0x80, 0x00, 0x00, 0x00}}, - /* +0 */ {{0x00, 0x00, 0x00, 0x00}, - {0x00, 0x00, 0x00, 0x00}}, - /* +Fn */ {{0x42, 0x28, 0x00, 0x00}, - {0x42, 0x2a, 0x00, 0x00}}, - /* +inf */ {{0x7f, 0x80, 0x00, 0x00}, - {0x7f, 0x80, 0x00, 0x00}}, - /* QNaN */ {{0x7f, 0xff, 0xff, 0xff}, - {0x7f, 0xff, 0xff, 0xfe}}, - /* SNaN */ {{0x7f, 0xbf, 0xff, 0xff}, - {0x7f, 0xbf, 0xff, 0xfd}}, - }, - - /* M4 == 3: long */ - { - /* -inf */ {{0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* -Fn */ {{0xc0, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0xc0, 0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* -0 */ {{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +0 */ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +Fn */ {{0x40, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x40, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +inf */ {{0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* QNaN */ {{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, - {0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}}, - /* SNaN */ {{0x7f, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, - {0x7f, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd}}, - }, - - /* M4 == 4: extended */ - { - /* -inf */ {{0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* -Fn */ {{0xc0, 0x04, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0xc0, 0x04, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* -0 */ {{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +0 */ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +Fn */ {{0x40, 0x04, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x40, 0x04, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* +inf */ {{0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, - /* QNaN */ {{0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, - {0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}}, - /* SNaN */ {{0x7f, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, - {0x7f, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd}}, - }, -}; - -/* * PoP tables as close to the original as possible. */ struct signed_test { @@ -285,13 +210,6 @@ struct signed_test { }, }; -static void dump_v(FILE *f, const void *v, size_t n) -{ - for (int i = 0; i < n; i++) { - fprintf(f, "%02x", ((const unsigned char *)v)[i]); - } -} - static int signed_test(struct signed_test *test, int m4, int m5, const void *v1_exp, bool xi_exp, const void *v2, const void *v3) @@ -320,10 +238,28 @@ static int signed_test(struct signed_test *test, int m4, int m5, return 0; } -static void snan_to_qnan(char *v, int m4) +struct iter { + int cls[2]; + int val[2]; +}; + +static bool iter_next(struct iter *it, int fmt) { - size_t bit = 1 + e_bits[m4 - 2]; - v[bit / 8] |= 1 << (7 - (bit % 8)); + int i; + + for (i = 1; i >= 0; i--) { + if (++it->val[i] != signed_floats[fmt][it->cls[i]].n) { + return true; + } + it->val[i] = 0; + + if (++it->cls[i] != N_SIGNED_CLASSES) { + return true; + } + it->cls[i] = 0; + } + + return false; } int main(void) @@ -333,72 +269,71 @@ int main(void) for (i = 0; i < sizeof(signed_tests) / sizeof(signed_tests[0]); i++) { struct signed_test *test = &signed_tests[i]; - int m4; + int fmt; - for (m4 = 2; m4 <= 4; m4++) { - const unsigned char (*floats)[2][16] = signed_floats[m4 - 2]; - size_t float_size = float_sizes[m4 - 2]; + for (fmt = 0; fmt < N_FORMATS; fmt++) { + size_t float_size = float_sizes[fmt]; + int m4 = fmt + 2; int m5; for (m5 = 0; m5 <= 8; m5 += 8) { char v1_exp[16], v2[16], v3[16]; bool xi_exp = false; + struct iter it = {}; int pos = 0; - int i2; - for (i2 = 0; i2 < N_SIGNED_CLASSES * 2; i2++) { - int i3; + do { + const char *spec = test->table[it.cls[0]][it.cls[1]]; - for (i3 = 0; i3 < N_SIGNED_CLASSES * 2; i3++) { - const char *spec = test->table[i2 / 2][i3 / 2]; + memcpy(&v2[pos], + signed_floats[fmt][it.cls[0]].v[it.val[0]], + float_size); + memcpy(&v3[pos], + signed_floats[fmt][it.cls[1]].v[it.val[1]], + float_size); + if (strcmp(spec, "T(a)") == 0 || + strcmp(spec, "Xi: T(a)") == 0) { + memcpy(&v1_exp[pos], &v2[pos], float_size); + } else if (strcmp(spec, "T(b)") == 0 || + strcmp(spec, "Xi: T(b)") == 0) { + memcpy(&v1_exp[pos], &v3[pos], float_size); + } else if (strcmp(spec, "Xi: T(a*)") == 0) { + memcpy(&v1_exp[pos], &v2[pos], float_size); + snan_to_qnan(&v1_exp[pos], fmt); + } else if (strcmp(spec, "Xi: T(b*)") == 0) { + memcpy(&v1_exp[pos], &v3[pos], float_size); + snan_to_qnan(&v1_exp[pos], fmt); + } else if (strcmp(spec, "T(M(a,b))") == 0) { + /* + * Comparing floats is risky, since the compiler might + * generate the same instruction that we are testing. + * Compare ints instead. This works, because we get + * here only for +-Fn, and the corresponding test + * values have identical exponents. + */ + int v2_int = *(int *)&v2[pos]; + int v3_int = *(int *)&v3[pos]; - memcpy(&v2[pos], floats[i2 / 2][i2 % 2], float_size); - memcpy(&v3[pos], floats[i3 / 2][i3 % 2], float_size); - if (strcmp(spec, "T(a)") == 0 || - strcmp(spec, "Xi: T(a)") == 0) { + if ((v2_int < v3_int) == + ((test->op == VFMIN) != (v2_int < 0))) { memcpy(&v1_exp[pos], &v2[pos], float_size); - } else if (strcmp(spec, "T(b)") == 0 || - strcmp(spec, "Xi: T(b)") == 0) { - memcpy(&v1_exp[pos], &v3[pos], float_size); - } else if (strcmp(spec, "Xi: T(a*)") == 0) { - memcpy(&v1_exp[pos], &v2[pos], float_size); - snan_to_qnan(&v1_exp[pos], m4); - } else if (strcmp(spec, "Xi: T(b*)") == 0) { - memcpy(&v1_exp[pos], &v3[pos], float_size); - snan_to_qnan(&v1_exp[pos], m4); - } else if (strcmp(spec, "T(M(a,b))") == 0) { - /* - * Comparing floats is risky, since the compiler - * might generate the same instruction that we are - * testing. Compare ints instead. This works, - * because we get here only for +-Fn, and the - * corresponding test values have identical - * exponents. - */ - int v2_int = *(int *)&v2[pos]; - int v3_int = *(int *)&v3[pos]; - - if ((v2_int < v3_int) == - ((test->op == VFMIN) != (v2_int < 0))) { - memcpy(&v1_exp[pos], &v2[pos], float_size); - } else { - memcpy(&v1_exp[pos], &v3[pos], float_size); - } } else { - fprintf(stderr, "Unexpected spec: %s\n", spec); - return 1; + memcpy(&v1_exp[pos], &v3[pos], float_size); } - xi_exp |= spec[0] == 'X'; - pos += float_size; + } else { + fprintf(stderr, "Unexpected spec: %s\n", spec); + return 1; + } + xi_exp |= spec[0] == 'X'; + pos += float_size; - if ((m5 & 8) || pos == 16) { - ret |= signed_test(test, m4, m5, - v1_exp, xi_exp, v2, v3); - pos = 0; - xi_exp = false; - } + if ((m5 & 8) || pos == 16) { + ret |= signed_test(test, m4, m5, + v1_exp, xi_exp, v2, v3); + pos = 0; + xi_exp = false; } - } + } while (iter_next(&it, fmt)); if (pos != 0) { ret |= signed_test(test, m4, m5, v1_exp, xi_exp, v2, v3); |