target-arm queue:

* SDHCI: cleanups and minor bug fixes
  * target/arm: minor refactor preparatory to fp16 support
  * omap_ssd, ssi-sd, pl181, milkymist-memcard: reset the SD
    card on controller reset (fixes migration failures)
  * target/arm: Handle page table walk load failures correctly
  * hw/arm/virt: Add virt-2.12 machine type
  * get_phys_addr_pmsav7: Support AP=0b111 for v7M
  * hw/intc/armv7m: Support byte and halfword accesses to CFSR
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABCAAGBQJaXf8rAAoJEDwlJe0UNgzeoi4QALHpLEXjOmIrIxjcbEoN2T6B
 tGdR+ZyNfdKI2lgleG6c5bmdzPaFooDoqOyCIML77AvqVlRjbDGw6KIfNmLfXQ2g
 16bh0D11Qyl5Yv/YBN3Lv7nDPou4/sop6TzP0MSxvDucqksEVvQARuY147bxHkmy
 uz5jhdSkWdePFJRtmIJtm9G1PpOhS6IjCVKR/upWDJkpBqUdIxtPNx8fEgrcK7mb
 MdSU9LVl0p4J4zYjzFCUF8qMIrtbiqlAAVEt894BeZJk+tDYbq245S3oj1psc3XP
 sGRriXNxQnsczkrkyEAq2BHjswyLLd12jG+vtWkj0A0tIlB4jHgB26juZJbqk8Ui
 GzJoJQ7kCA4qsQxm4goONUkUJdmBtgCCQekWc0a87ELhdzd9pus8bDe9ivFmxCOW
 1+i/ZX773GfLyDp5b1HwN5TU6u8J2bg+C4604hGIJ/h8r4Wu+iqH5/LfEum304rS
 Oqx5XQhU3a1dw+4w897CLbBscfVjNsPmgrCOXq4SYGZZ3NjTwyBMOedtB5HF279i
 mI5NZqVBiLoKC+oDjDe7k7oW6FdeEKfuDsOsxeLpIIe/66YwSpgk1bAsbvipcbRG
 4sUIqMEk6/2TQmVY9lnYg5msQK3QGFtPDSzrFnz3T+DswaCto/SFa89yeocAOXqv
 qEcQXDkndUFrEuo6S4/+
 =G4xE
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180116' into staging

target-arm queue:
 * SDHCI: cleanups and minor bug fixes
 * target/arm: minor refactor preparatory to fp16 support
 * omap_ssd, ssi-sd, pl181, milkymist-memcard: reset the SD
   card on controller reset (fixes migration failures)
 * target/arm: Handle page table walk load failures correctly
 * hw/arm/virt: Add virt-2.12 machine type
 * get_phys_addr_pmsav7: Support AP=0b111 for v7M
 * hw/intc/armv7m: Support byte and halfword accesses to CFSR

# gpg: Signature made Tue 16 Jan 2018 13:33:31 GMT
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20180116: (24 commits)
  sdhci: add a 'dma' property to the sysbus devices
  sdhci: fix the PCI device, using the PCI address space for DMA
  sdhci: Implement write method of ACMD12ERRSTS register
  sdhci: fix CAPAB/MAXCURR registers, both are 64bit and read-only
  sdhci: rename the SDHC_CAPAB register
  sdhci: move MASK_TRNMOD with other SDHC_TRN* defines in "sd-internal.h"
  sdhci: convert the DPRINT() calls into trace events
  sdhci: use qemu_log_mask(UNIMP) instead of fprintf()
  sdhci: refactor common sysbus/pci unrealize() into sdhci_common_unrealize()
  sdhci: refactor common sysbus/pci realize() into sdhci_common_realize()
  sdhci: refactor common sysbus/pci class_init() into sdhci_common_class_init()
  sdhci: use DEFINE_SDHCI_COMMON_PROPERTIES() for common sysbus/pci properties
  sdhci: remove dead code
  sdhci: clean up includes
  target/arm: Add fp16 support to vfp_expand_imm
  target/arm: Split out vfp_expand_imm
  hw/sd/omap_mmc: Reset SD card on controller reset
  hw/sd/ssi-sd: Reset SD card on controller reset
  hw/sd/milkymist-memcard: Reset SD card on controller reset
  hw/sd/pl181: Reset SD card on controller reset
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/virt.c

@@ -1618,7 +1618,7 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
-static void virt_2_11_instance_init(Object *obj)
+static void virt_2_12_instance_init(Object *obj)
 {
     VirtMachineState *vms = VIRT_MACHINE(obj);
     VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
@@ -1678,10 +1678,25 @@ static void virt_2_11_instance_init(Object *obj)
     vms->irqmap = a15irqmap;
 }
 
-static void virt_machine_2_11_options(MachineClass *mc)
+static void virt_machine_2_12_options(MachineClass *mc)
 {
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(2, 11)
+DEFINE_VIRT_MACHINE_AS_LATEST(2, 12)
+
+#define VIRT_COMPAT_2_11 \
+    HW_COMPAT_2_11
+
+static void virt_2_11_instance_init(Object *obj)
+{
+    virt_2_12_instance_init(obj);
+}
+
+static void virt_machine_2_11_options(MachineClass *mc)
+{
+    virt_machine_2_12_options(mc);
+    SET_MACHINE_COMPAT(mc, VIRT_COMPAT_2_11);
+}
+DEFINE_VIRT_MACHINE(2, 11)
 
 #define VIRT_COMPAT_2_10 \
     HW_COMPAT_2_10

hw/intc/armv7m_nvic.c

@@ -896,13 +896,6 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
             val |= (1 << 8);
         }
         return val;
-    case 0xd28: /* Configurable Fault Status.  */
-        /* The BFSR bits [15:8] are shared between security states
-         * and we store them in the NS copy
-         */
-        val = cpu->env.v7m.cfsr[attrs.secure];
-        val |= cpu->env.v7m.cfsr[M_REG_NS] & R_V7M_CFSR_BFSR_MASK;
-        return val;
     case 0xd2c: /* Hard Fault Status.  */
         return cpu->env.v7m.hfsr;
     case 0xd30: /* Debug Fault Status.  */
@@ -1280,15 +1273,6 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
         s->vectors[ARMV7M_EXCP_DEBUG].active = (value & (1 << 8)) != 0;
         nvic_irq_update(s);
         break;
-    case 0xd28: /* Configurable Fault Status.  */
-        cpu->env.v7m.cfsr[attrs.secure] &= ~value; /* W1C */
-        if (attrs.secure) {
-            /* The BFSR bits [15:8] are shared between security states
-             * and we store them in the NS copy.
-             */
-            cpu->env.v7m.cfsr[M_REG_NS] &= ~(value & R_V7M_CFSR_BFSR_MASK);
-        }
-        break;
     case 0xd2c: /* Hard Fault Status.  */
         cpu->env.v7m.hfsr &= ~value; /* W1C */
         break;
@@ -1667,6 +1651,14 @@ static MemTxResult nvic_sysreg_read(void *opaque, hwaddr addr,
             val = deposit32(val, i * 8, 8, get_prio(s, hdlidx, sbank));
         }
         break;
+    case 0xd28 ... 0xd2b: /* Configurable Fault Status (CFSR) */
+        /* The BFSR bits [15:8] are shared between security states
+         * and we store them in the NS copy
+         */
+        val = s->cpu->env.v7m.cfsr[attrs.secure];
+        val |= s->cpu->env.v7m.cfsr[M_REG_NS] & R_V7M_CFSR_BFSR_MASK;
+        val = extract32(val, (offset - 0xd28) * 8, size * 8);
+        break;
     case 0xfe0 ... 0xfff: /* ID.  */
         if (offset & 3) {
             val = 0;
@@ -1765,6 +1757,20 @@ static MemTxResult nvic_sysreg_write(void *opaque, hwaddr addr,
         }
         nvic_irq_update(s);
         return MEMTX_OK;
+    case 0xd28 ... 0xd2b: /* Configurable Fault Status (CFSR) */
+        /* All bits are W1C, so construct 32 bit value with 0s in
+         * the parts not written by the access size
+         */
+        value <<= ((offset - 0xd28) * 8);
+
+        s->cpu->env.v7m.cfsr[attrs.secure] &= ~value;
+        if (attrs.secure) {
+            /* The BFSR bits [15:8] are shared between security states
+             * and we store them in the NS copy.
+             */
+            s->cpu->env.v7m.cfsr[M_REG_NS] &= ~(value & R_V7M_CFSR_BFSR_MASK);
+        }
+        return MEMTX_OK;
     }
     if (size == 4) {
         nvic_writel(s, offset, value, attrs);

hw/sd/milkymist-memcard.c

@@ -248,6 +248,10 @@ static void milkymist_memcard_reset(DeviceState *d)
     for (i = 0; i < R_MAX; i++) {
         s->regs[i] = 0;
     }
+    /* Since we're still using the legacy SD API the card is not plugged
+     * into any bus, and we must reset it manually.
+     */
+    device_reset(DEVICE(s->card));
 }
 
 static int milkymist_memcard_init(SysBusDevice *dev)

hw/sd/omap_mmc.c

@@ -305,6 +305,12 @@ void omap_mmc_reset(struct omap_mmc_s *host)
     host->cdet_enable = 0;
     qemu_set_irq(host->coverswitch, host->cdet_state);
     host->clkdiv = 0;
+
+    /* Since we're still using the legacy SD API the card is not plugged
+     * into any bus, and we must reset it manually. When omap_mmc is
+     * QOMified this must move into the QOM reset function.
+     */
+    device_reset(DEVICE(host->card));
 }
 
 static uint64_t omap_mmc_read(void *opaque, hwaddr offset,
@@ -587,8 +593,6 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base,
     s->lines = 1;	/* TODO: needs to be settable per-board */
     s->rev = 1;
 
-    omap_mmc_reset(s);
-
     memory_region_init_io(&s->iomem, NULL, &omap_mmc_ops, s, "omap.mmc", 0x800);
     memory_region_add_subregion(sysmem, base, &s->iomem);
 
@@ -598,6 +602,8 @@ struct omap_mmc_s *omap_mmc_init(hwaddr base,
         exit(1);
     }
 
+    omap_mmc_reset(s);
+
     return s;
 }
 
@@ -613,8 +619,6 @@ struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
     s->lines = 4;
     s->rev = 2;
 
-    omap_mmc_reset(s);
-
     memory_region_init_io(&s->iomem, NULL, &omap_mmc_ops, s, "omap.mmc",
                           omap_l4_region_size(ta, 0));
     omap_l4_attach(ta, 0, &s->iomem);
@@ -628,6 +632,8 @@ struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta,
     s->cdet = qemu_allocate_irq(omap_mmc_cover_cb, s, 0);
     sd_set_cb(s->card, NULL, s->cdet);
 
+    omap_mmc_reset(s);
+
     return s;
 }
 

hw/sd/pl181.c

@@ -480,6 +480,10 @@ static void pl181_reset(DeviceState *d)
 
     /* We can assume our GPIO outputs have been wired up now */
     sd_set_cb(s->card, s->cardstatus[0], s->cardstatus[1]);
+    /* Since we're still using the legacy SD API the card is not plugged
+     * into any bus, and we must reset it manually.
+     */
+    device_reset(DEVICE(s->card));
 }
 
 static void pl181_init(Object *obj)

hw/sd/sdhci-internal.h

@@ -24,8 +24,6 @@
 #ifndef SDHCI_INTERNAL_H
 #define SDHCI_INTERNAL_H
 
-#include "hw/sd/sdhci.h"
-
 /* R/W SDMA System Address register 0x0 */
 #define SDHC_SYSAD                     0x00
 
@@ -45,6 +43,7 @@
 #define SDHC_TRNS_ACMD12               0x0004
 #define SDHC_TRNS_READ                 0x0010
 #define SDHC_TRNS_MULTI                0x0020
+#define SDHC_TRNMOD_MASK               0x0037
 
 /* R/W Command Register 0x0 */
 #define SDHC_CMDREG                    0x0E
@@ -175,7 +174,7 @@
 #define SDHC_ACMD12ERRSTS              0x3C
 
 /* HWInit Capabilities Register 0x05E80080 */
-#define SDHC_CAPAREG                   0x40
+#define SDHC_CAPAB                     0x40
 #define SDHC_CAN_DO_DMA                0x00400000
 #define SDHC_CAN_DO_ADMA2              0x00080000
 #define SDHC_CAN_DO_ADMA1              0x00100000
@@ -227,6 +226,4 @@ enum {
     sdhc_gap_write  = 2   /* SDHC stopped at block gap during write operation */
 };
 
-extern const VMStateDescription sdhci_vmstate;
-
 #endif

hw/sd/sdhci.c

@@ -23,38 +23,18 @@
  */
 
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "hw/hw.h"
 #include "sysemu/block-backend.h"
 #include "sysemu/blockdev.h"
 #include "sysemu/dma.h"
 #include "qemu/timer.h"
 #include "qemu/bitops.h"
+#include "hw/sd/sdhci.h"
 #include "sdhci-internal.h"
+#include "qapi/error.h"
 #include "qemu/log.h"
-
+#include "trace.h"
-/* host controller debug messages */
-#ifndef SDHC_DEBUG
-#define SDHC_DEBUG                        0
-#endif
-
-#define DPRINT_L1(fmt, args...) \
-    do { \
-        if (SDHC_DEBUG) { \
-            fprintf(stderr, "QEMU SDHC: " fmt, ## args); \
-        } \
-    } while (0)
-#define DPRINT_L2(fmt, args...) \
-    do { \
-        if (SDHC_DEBUG > 1) { \
-            fprintf(stderr, "QEMU SDHC: " fmt, ## args); \
-        } \
-    } while (0)
-#define ERRPRINT(fmt, args...) \
-    do { \
-        if (SDHC_DEBUG) { \
-            fprintf(stderr, "QEMU SDHC ERROR: " fmt, ## args); \
-        } \
-    } while (0)
 
 #define TYPE_SDHCI_BUS "sdhci-bus"
 #define SDHCI_BUS(obj) OBJECT_CHECK(SDBus, (obj), TYPE_SDHCI_BUS)
@@ -119,7 +99,6 @@
     (SDHC_CAPAB_BASECLKFREQ << 8) | (SDHC_CAPAB_TOUNIT << 7) | \
     (SDHC_CAPAB_TOCLKFREQ))
 
-#define MASK_TRNMOD     0x0037
 #define MASKED_WRITE(reg, mask, val)  (reg = (reg & (mask)) | (val))
 
 static uint8_t sdhci_slotint(SDHCIState *s)
@@ -153,8 +132,8 @@ static void sdhci_raise_insertion_irq(void *opaque)
 static void sdhci_set_inserted(DeviceState *dev, bool level)
 {
     SDHCIState *s = (SDHCIState *)dev;
-    DPRINT_L1("Card state changed: %s!\n", level ? "insert" : "eject");
 
+    trace_sdhci_set_inserted(level ? "insert" : "eject");
     if ((s->norintsts & SDHC_NIS_REMOVE) && level) {
         /* Give target some time to notice card ejection */
         timer_mod(s->insert_timer,
@@ -236,7 +215,8 @@ static void sdhci_send_command(SDHCIState *s)
     s->acmd12errsts = 0;
     request.cmd = s->cmdreg >> 8;
     request.arg = s->argument;
-    DPRINT_L1("sending CMD%u ARG[0x%08x]\n", request.cmd, request.arg);
+
+    trace_sdhci_send_command(request.cmd, request.arg);
     rlen = sdbus_do_command(&s->sdbus, &request, response);
 
     if (s->cmdreg & SDHC_CMD_RESPONSE) {
@@ -244,7 +224,7 @@ static void sdhci_send_command(SDHCIState *s)
             s->rspreg[0] = (response[0] << 24) | (response[1] << 16) |
                            (response[2] << 8)  |  response[3];
             s->rspreg[1] = s->rspreg[2] = s->rspreg[3] = 0;
-            DPRINT_L1("Response: RSPREG[31..0]=0x%08x\n", s->rspreg[0]);
+            trace_sdhci_response4(s->rspreg[0]);
         } else if (rlen == 16) {
             s->rspreg[0] = (response[11] << 24) | (response[12] << 16) |
                            (response[13] << 8) |  response[14];
@@ -254,11 +234,10 @@ static void sdhci_send_command(SDHCIState *s)
                            (response[5] << 8)  |  response[6];
             s->rspreg[3] = (response[0] << 16) | (response[1] << 8) |
                             response[2];
-            DPRINT_L1("Response received:\n RSPREG[127..96]=0x%08x, RSPREG[95.."
+            trace_sdhci_response16(s->rspreg[3], s->rspreg[2],
-                  "64]=0x%08x,\n RSPREG[63..32]=0x%08x, RSPREG[31..0]=0x%08x\n",
+                                   s->rspreg[1], s->rspreg[0]);
-                  s->rspreg[3], s->rspreg[2], s->rspreg[1], s->rspreg[0]);
         } else {
-            ERRPRINT("Timeout waiting for command response\n");
+            trace_sdhci_error("timeout waiting for command response");
             if (s->errintstsen & SDHC_EISEN_CMDTIMEOUT) {
                 s->errintsts |= SDHC_EIS_CMDTIMEOUT;
                 s->norintsts |= SDHC_NIS_ERR;
@@ -292,7 +271,7 @@ static void sdhci_end_transfer(SDHCIState *s)
 
         request.cmd = 0x0C;
         request.arg = 0;
-        DPRINT_L1("Automatically issue CMD%d %08x\n", request.cmd, request.arg);
+        trace_sdhci_end_transfer(request.cmd, request.arg);
         sdbus_do_command(&s->sdbus, &request, response);
         /* Auto CMD12 response goes to the upper Response register */
         s->rspreg[3] = (response[0] << 24) | (response[1] << 16) |
@@ -361,7 +340,7 @@ static uint32_t sdhci_read_dataport(SDHCIState *s, unsigned size)
 
     /* first check that a valid data exists in host controller input buffer */
     if ((s->prnsts & SDHC_DATA_AVAILABLE) == 0) {
-        ERRPRINT("Trying to read from empty buffer\n");
+        trace_sdhci_error("read from empty buffer");
         return 0;
     }
 
@@ -370,8 +349,7 @@ static uint32_t sdhci_read_dataport(SDHCIState *s, unsigned size)
         s->data_count++;
         /* check if we've read all valid data (blksize bytes) from buffer */
         if ((s->data_count) >= (s->blksize & 0x0fff)) {
-            DPRINT_L2("All %u bytes of data have been read from input buffer\n",
+            trace_sdhci_read_dataport(s->data_count);
-                    s->data_count);
             s->prnsts &= ~SDHC_DATA_AVAILABLE; /* no more data in a buffer */
             s->data_count = 0;  /* next buff read must start at position [0] */
 
@@ -454,7 +432,7 @@ static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size)
 
     /* Check that there is free space left in a buffer */
     if (!(s->prnsts & SDHC_SPACE_AVAILABLE)) {
-        ERRPRINT("Can't write to data buffer: buffer full\n");
+        trace_sdhci_error("Can't write to data buffer: buffer full");
         return;
     }
 
@@ -463,8 +441,7 @@ static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size)
         s->data_count++;
         value >>= 8;
         if (s->data_count >= (s->blksize & 0x0fff)) {
-            DPRINT_L2("write buffer filled with %u bytes of data\n",
+            trace_sdhci_write_dataport(s->data_count);
-                    s->data_count);
             s->data_count = 0;
             s->prnsts &= ~SDHC_SPACE_AVAILABLE;
             if (s->prnsts & SDHC_DOING_WRITE) {
@@ -519,7 +496,7 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s)
                     s->blkcnt--;
                 }
             }
-            dma_memory_write(&address_space_memory, s->sdmasysad,
+            dma_memory_write(s->dma_as, s->sdmasysad,
                              &s->fifo_buffer[begin], s->data_count - begin);
             s->sdmasysad += s->data_count - begin;
             if (s->data_count == block_size) {
@@ -541,7 +518,7 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s)
                 s->data_count = block_size;
                 boundary_count -= block_size - begin;
             }
-            dma_memory_read(&address_space_memory, s->sdmasysad,
+            dma_memory_read(s->dma_as, s->sdmasysad,
                             &s->fifo_buffer[begin], s->data_count - begin);
             s->sdmasysad += s->data_count - begin;
             if (s->data_count == block_size) {
@@ -579,11 +556,9 @@ static void sdhci_sdma_transfer_single_block(SDHCIState *s)
         for (n = 0; n < datacnt; n++) {
             s->fifo_buffer[n] = sdbus_read_data(&s->sdbus);
         }
-        dma_memory_write(&address_space_memory, s->sdmasysad, s->fifo_buffer,
+        dma_memory_write(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt);
-                         datacnt);
     } else {
-        dma_memory_read(&address_space_memory, s->sdmasysad, s->fifo_buffer,
+        dma_memory_read(s->dma_as, s->sdmasysad, s->fifo_buffer, datacnt);
-                        datacnt);
         for (n = 0; n < datacnt; n++) {
             sdbus_write_data(&s->sdbus, s->fifo_buffer[n]);
         }
@@ -607,7 +582,7 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
     hwaddr entry_addr = (hwaddr)s->admasysaddr;
     switch (SDHC_DMA_TYPE(s->hostctl)) {
     case SDHC_CTRL_ADMA2_32:
-        dma_memory_read(&address_space_memory, entry_addr, (uint8_t *)&adma2,
+        dma_memory_read(s->dma_as, entry_addr, (uint8_t *)&adma2,
                         sizeof(adma2));
         adma2 = le64_to_cpu(adma2);
         /* The spec does not specify endianness of descriptor table.
@@ -619,7 +594,7 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
         dscr->incr = 8;
         break;
     case SDHC_CTRL_ADMA1_32:
-        dma_memory_read(&address_space_memory, entry_addr, (uint8_t *)&adma1,
+        dma_memory_read(s->dma_as, entry_addr, (uint8_t *)&adma1,
                         sizeof(adma1));
         adma1 = le32_to_cpu(adma1);
         dscr->addr = (hwaddr)(adma1 & 0xFFFFF000);
@@ -632,12 +607,12 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr)
         }
         break;
     case SDHC_CTRL_ADMA2_64:
-        dma_memory_read(&address_space_memory, entry_addr,
+        dma_memory_read(s->dma_as, entry_addr,
                         (uint8_t *)(&dscr->attr), 1);
-        dma_memory_read(&address_space_memory, entry_addr + 2,
+        dma_memory_read(s->dma_as, entry_addr + 2,
                         (uint8_t *)(&dscr->length), 2);
         dscr->length = le16_to_cpu(dscr->length);
-        dma_memory_read(&address_space_memory, entry_addr + 4,
+        dma_memory_read(s->dma_as, entry_addr + 4,
                         (uint8_t *)(&dscr->addr), 8);
         dscr->attr = le64_to_cpu(dscr->attr);
         dscr->attr &= 0xfffffff8;
@@ -652,15 +627,14 @@ static void sdhci_do_adma(SDHCIState *s)
 {
     unsigned int n, begin, length;
     const uint16_t block_size = s->blksize & 0x0fff;
-    ADMADescr dscr;
+    ADMADescr dscr = {};
     int i;
 
     for (i = 0; i < SDHC_ADMA_DESCS_PER_DELAY; ++i) {
         s->admaerr &= ~SDHC_ADMAERR_LENGTH_MISMATCH;
 
         get_adma_description(s, &dscr);
-        DPRINT_L2("ADMA loop: addr=" TARGET_FMT_plx ", len=%d, attr=%x\n",
+        trace_sdhci_adma_loop(dscr.addr, dscr.length, dscr.attr);
-                dscr.addr, dscr.length, dscr.attr);
 
         if ((dscr.attr & SDHC_ADMA_ATTR_VALID) == 0) {
             /* Indicate that error occurred in ST_FDS state */
@@ -697,7 +671,7 @@ static void sdhci_do_adma(SDHCIState *s)
                         s->data_count = block_size;
                         length -= block_size - begin;
                     }
-                    dma_memory_write(&address_space_memory, dscr.addr,
+                    dma_memory_write(s->dma_as, dscr.addr,
                                      &s->fifo_buffer[begin],
                                      s->data_count - begin);
                     dscr.addr += s->data_count - begin;
@@ -721,7 +695,7 @@ static void sdhci_do_adma(SDHCIState *s)
                         s->data_count = block_size;
                         length -= block_size - begin;
                     }
-                    dma_memory_read(&address_space_memory, dscr.addr,
+                    dma_memory_read(s->dma_as, dscr.addr,
                                     &s->fifo_buffer[begin],
                                     s->data_count - begin);
                     dscr.addr += s->data_count - begin;
@@ -743,8 +717,7 @@ static void sdhci_do_adma(SDHCIState *s)
             break;
         case SDHC_ADMA_ATTR_ACT_LINK:   /* link to next descriptor table */
             s->admasysaddr = dscr.addr;
-            DPRINT_L1("ADMA link: admasysaddr=0x%" PRIx64 "\n",
+            trace_sdhci_adma("link", s->admasysaddr);
-                      s->admasysaddr);
             break;
         default:
             s->admasysaddr += dscr.incr;
@@ -752,8 +725,7 @@ static void sdhci_do_adma(SDHCIState *s)
         }
 
         if (dscr.attr & SDHC_ADMA_ATTR_INT) {
-            DPRINT_L1("ADMA interrupt: admasysaddr=0x%" PRIx64 "\n",
+            trace_sdhci_adma("interrupt", s->admasysaddr);
-                      s->admasysaddr);
             if (s->norintstsen & SDHC_NISEN_DMA) {
                 s->norintsts |= SDHC_NIS_DMA;
             }
@@ -764,15 +736,15 @@ static void sdhci_do_adma(SDHCIState *s)
         /* ADMA transfer terminates if blkcnt == 0 or by END attribute */
         if (((s->trnmod & SDHC_TRNS_BLK_CNT_EN) &&
                     (s->blkcnt == 0)) || (dscr.attr & SDHC_ADMA_ATTR_END)) {
-            DPRINT_L2("ADMA transfer completed\n");
+            trace_sdhci_adma_transfer_completed();
             if (length || ((dscr.attr & SDHC_ADMA_ATTR_END) &&
                 (s->trnmod & SDHC_TRNS_BLK_CNT_EN) &&
                 s->blkcnt != 0)) {
-                ERRPRINT("SD/MMC host ADMA length mismatch\n");
+                trace_sdhci_error("SD/MMC host ADMA length mismatch");
                 s->admaerr |= SDHC_ADMAERR_LENGTH_MISMATCH |
                         SDHC_ADMAERR_STATE_ST_TFR;
                 if (s->errintstsen & SDHC_EISEN_ADMAERR) {
-                    ERRPRINT("Set ADMA error flag\n");
+                    trace_sdhci_error("Set ADMA error flag");
                     s->errintsts |= SDHC_EIS_ADMAERR;
                     s->norintsts |= SDHC_NIS_ERR;
                 }
@@ -808,7 +780,7 @@ static void sdhci_data_transfer(void *opaque)
             break;
         case SDHC_CTRL_ADMA1_32:
             if (!(s->capareg & SDHC_CAN_DO_ADMA1)) {
-                ERRPRINT("ADMA1 not supported\n");
+                trace_sdhci_error("ADMA1 not supported");
                 break;
             }
 
@@ -816,7 +788,7 @@ static void sdhci_data_transfer(void *opaque)
             break;
         case SDHC_CTRL_ADMA2_32:
             if (!(s->capareg & SDHC_CAN_DO_ADMA2)) {
-                ERRPRINT("ADMA2 not supported\n");
+                trace_sdhci_error("ADMA2 not supported");
                 break;
             }
 
@@ -825,14 +797,14 @@ static void sdhci_data_transfer(void *opaque)
         case SDHC_CTRL_ADMA2_64:
             if (!(s->capareg & SDHC_CAN_DO_ADMA2) ||
                     !(s->capareg & SDHC_64_BIT_BUS_SUPPORT)) {
-                ERRPRINT("64 bit ADMA not supported\n");
+                trace_sdhci_error("64 bit ADMA not supported");
                 break;
             }
 
             sdhci_do_adma(s);
             break;
         default:
-            ERRPRINT("Unsupported DMA type\n");
+            trace_sdhci_error("Unsupported DMA type");
             break;
         }
     } else {
@@ -867,8 +839,8 @@ static inline bool
 sdhci_buff_access_is_sequential(SDHCIState *s, unsigned byte_num)
 {
     if ((s->data_count & 0x3) != byte_num) {
-        ERRPRINT("Non-sequential access to Buffer Data Port register"
+        trace_sdhci_error("Non-sequential access to Buffer Data Port register"
-                "is prohibited\n");
+                          "is prohibited\n");
         return false;
     }
     return true;
@@ -898,8 +870,7 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
     case  SDHC_BDATA:
         if (sdhci_buff_access_is_sequential(s, offset - SDHC_BDATA)) {
             ret = sdhci_read_dataport(s, size);
-            DPRINT_L2("read %ub: addr[0x%04x] -> %u(0x%x)\n", size, (int)offset,
+            trace_sdhci_access("rd", size << 3, offset, "->", ret, ret);
-                      ret, ret);
             return ret;
         }
         break;
@@ -925,11 +896,17 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
     case SDHC_ACMD12ERRSTS:
         ret = s->acmd12errsts;
         break;
-    case SDHC_CAPAREG:
+    case SDHC_CAPAB:
-        ret = s->capareg;
+        ret = (uint32_t)s->capareg;
+        break;
+    case SDHC_CAPAB + 4:
+        ret = (uint32_t)(s->capareg >> 32);
         break;
     case SDHC_MAXCURR:
-        ret = s->maxcurr;
+        ret = (uint32_t)s->maxcurr;
+        break;
+    case SDHC_MAXCURR + 4:
+        ret = (uint32_t)(s->maxcurr >> 32);
         break;
     case SDHC_ADMAERR:
         ret =  s->admaerr;
@@ -944,13 +921,14 @@ static uint64_t sdhci_read(void *opaque, hwaddr offset, unsigned size)
         ret = (SD_HOST_SPECv2_VERS << 16) | sdhci_slotint(s);
         break;
     default:
-        ERRPRINT("bad %ub read: addr[0x%04x]\n", size, (int)offset);
+        qemu_log_mask(LOG_UNIMP, "SDHC rd_%ub @0x%02" HWADDR_PRIx " "
+                      "not implemented\n", size, offset);
         break;
     }
 
     ret >>= (offset & 0x3) * 8;
     ret &= (1ULL << (size * 8)) - 1;
-    DPRINT_L2("read %ub: addr[0x%04x] -> %u(0x%x)\n", size, (int)offset, ret, ret);
+    trace_sdhci_access("rd", size << 3, offset, "->", ret, ret);
     return ret;
 }
 
@@ -1051,7 +1029,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         if (!(s->capareg & SDHC_CAN_DO_DMA)) {
             value &= ~SDHC_TRNS_DMA;
         }
-        MASKED_WRITE(s->trnmod, mask, value & MASK_TRNMOD);
+        MASKED_WRITE(s->trnmod, mask, value & SDHC_TRNMOD_MASK);
         MASKED_WRITE(s->cmdreg, mask >> 16, value >> 16);
 
         /* Writing to the upper byte of CMDREG triggers SD command generation */
@@ -1149,13 +1127,25 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
         }
         sdhci_update_irq(s);
         break;
+    case SDHC_ACMD12ERRSTS:
+        MASKED_WRITE(s->acmd12errsts, mask, value);
+        break;
+
+    case SDHC_CAPAB:
+    case SDHC_CAPAB + 4:
+    case SDHC_MAXCURR:
+    case SDHC_MAXCURR + 4:
+        qemu_log_mask(LOG_GUEST_ERROR, "SDHC wr_%ub @0x%02" HWADDR_PRIx
+                      " <- 0x%08x read-only\n", size, offset, value >> shift);
+        break;
+
     default:
-        ERRPRINT("bad %ub write offset: addr[0x%04x] <- %u(0x%x)\n",
+        qemu_log_mask(LOG_UNIMP, "SDHC wr_%ub @0x%02" HWADDR_PRIx " <- 0x%08x "
-                 size, (int)offset, value >> shift, value >> shift);
+                      "not implemented\n", size, offset, value >> shift);
         break;
     }
-    DPRINT_L2("write %ub: addr[0x%04x] <- %u(0x%x)\n",
+    trace_sdhci_access("wr", size << 3, offset, "<-",
-              size, (int)offset, value >> shift, value >> shift);
+                       value >> shift, value >> shift);
 }
 
 static const MemoryRegionOps sdhci_mmio_ops = {
@@ -1184,6 +1174,14 @@ static inline unsigned int sdhci_get_fifolen(SDHCIState *s)
     }
 }
 
+/* --- qdev common --- */
+
+#define DEFINE_SDHCI_COMMON_PROPERTIES(_state) \
+    /* Capabilities registers provide information on supported features
+     * of this specific host controller implementation */ \
+    DEFINE_PROP_UINT64("capareg", _state, capareg, SDHC_CAPAB_REG_DEFAULT), \
+    DEFINE_PROP_UINT64("maxcurr", _state, maxcurr, 0)
+
 static void sdhci_initfn(SDHCIState *s)
 {
     qbus_create_inplace(&s->sdbus, sizeof(s->sdbus),
@@ -1199,13 +1197,31 @@ static void sdhci_uninitfn(SDHCIState *s)
     timer_free(s->insert_timer);
     timer_del(s->transfer_timer);
     timer_free(s->transfer_timer);
-    qemu_free_irq(s->eject_cb);
-    qemu_free_irq(s->ro_cb);
 
     g_free(s->fifo_buffer);
     s->fifo_buffer = NULL;
 }
 
+static void sdhci_common_realize(SDHCIState *s, Error **errp)
+{
+    s->buf_maxsz = sdhci_get_fifolen(s);
+    s->fifo_buffer = g_malloc0(s->buf_maxsz);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
+                          SDHC_REGISTERS_MAP_SIZE);
+}
+
+static void sdhci_common_unrealize(SDHCIState *s, Error **errp)
+{
+    /* 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!). */
+    g_free(s->fifo_buffer);
+    s->fifo_buffer = NULL;
+}
+
 static bool sdhci_pending_insert_vmstate_needed(void *opaque)
 {
     SDHCIState *s = opaque;
@@ -1265,32 +1281,44 @@ const VMStateDescription sdhci_vmstate = {
     },
 };
 
-/* Capabilities registers provide information on supported features of this
+static void sdhci_common_class_init(ObjectClass *klass, void *data)
- * specific host controller implementation */
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
+    dc->vmsd = &sdhci_vmstate;
+    dc->reset = sdhci_poweron_reset;
+}
+
+/* --- qdev PCI --- */
+
 static Property sdhci_pci_properties[] = {
-    DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
+    DEFINE_SDHCI_COMMON_PROPERTIES(SDHCIState),
-            SDHC_CAPAB_REG_DEFAULT),
-    DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
 static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
 {
     SDHCIState *s = PCI_SDHCI(dev);
+
+    sdhci_initfn(s);
+    sdhci_common_realize(s, errp);
+    if (errp && *errp) {
+        return;
+    }
+
     dev->config[PCI_CLASS_PROG] = 0x01; /* Standard Host supported DMA */
     dev->config[PCI_INTERRUPT_PIN] = 0x01; /* interrupt pin A */
-    sdhci_initfn(s);
-    s->buf_maxsz = sdhci_get_fifolen(s);
-    s->fifo_buffer = g_malloc0(s->buf_maxsz);
     s->irq = pci_allocate_irq(dev);
-    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
+    s->dma_as = pci_get_address_space(dev);
-            SDHC_REGISTERS_MAP_SIZE);
+    pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->iomem);
-    pci_register_bar(dev, 0, 0, &s->iomem);
 }
 
 static void sdhci_pci_exit(PCIDevice *dev)
 {
     SDHCIState *s = PCI_SDHCI(dev);
+
+    sdhci_common_unrealize(s, &error_abort);
     sdhci_uninitfn(s);
 }
 
@@ -1304,10 +1332,9 @@ static void sdhci_pci_class_init(ObjectClass *klass, void *data)
     k->vendor_id = PCI_VENDOR_ID_REDHAT;
     k->device_id = PCI_DEVICE_ID_REDHAT_SDHCI;
     k->class_id = PCI_CLASS_SYSTEM_SDHCI;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-    dc->vmsd = &sdhci_vmstate;
     dc->props = sdhci_pci_properties;
-    dc->reset = sdhci_poweron_reset;
+
+    sdhci_common_class_init(klass, data);
 }
 
 static const TypeInfo sdhci_pci_info = {
@@ -1321,12 +1348,14 @@ static const TypeInfo sdhci_pci_info = {
     },
 };
 
+/* --- qdev SysBus --- */
+
 static Property sdhci_sysbus_properties[] = {
-    DEFINE_PROP_UINT32("capareg", SDHCIState, capareg,
+    DEFINE_SDHCI_COMMON_PROPERTIES(SDHCIState),
-            SDHC_CAPAB_REG_DEFAULT),
-    DEFINE_PROP_UINT32("maxcurr", SDHCIState, maxcurr, 0),
     DEFINE_PROP_BOOL("pending-insert-quirk", SDHCIState, pending_insert_quirk,
                      false),
+    DEFINE_PROP_LINK("dma", SDHCIState,
+                     dma_mr, TYPE_MEMORY_REGION, MemoryRegion *),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -1340,6 +1369,11 @@ static void sdhci_sysbus_init(Object *obj)
 static void sdhci_sysbus_finalize(Object *obj)
 {
     SDHCIState *s = SYSBUS_SDHCI(obj);
+
+    if (s->dma_mr) {
+        object_unparent(OBJECT(s->dma_mr));
+    }
+
     sdhci_uninitfn(s);
 }
 
@@ -1348,22 +1382,42 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp)
     SDHCIState *s = SYSBUS_SDHCI(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 
-    s->buf_maxsz = sdhci_get_fifolen(s);
+    sdhci_common_realize(s, errp);
-    s->fifo_buffer = g_malloc0(s->buf_maxsz);
+    if (errp && *errp) {
+        return;
+    }
+
+    if (s->dma_mr) {
+        address_space_init(s->dma_as, s->dma_mr, "sdhci-dma");
+    } else {
+        /* use system_memory() if property "dma" not set */
+        s->dma_as = &address_space_memory;
+    }
+
     sysbus_init_irq(sbd, &s->irq);
-    memory_region_init_io(&s->iomem, OBJECT(s), &sdhci_mmio_ops, s, "sdhci",
-            SDHC_REGISTERS_MAP_SIZE);
     sysbus_init_mmio(sbd, &s->iomem);
 }
 
+static void sdhci_sysbus_unrealize(DeviceState *dev, Error **errp)
+{
+    SDHCIState *s = SYSBUS_SDHCI(dev);
+
+    sdhci_common_unrealize(s, &error_abort);
+
+     if (s->dma_mr) {
+        address_space_destroy(s->dma_as);
+    }
+}
+
 static void sdhci_sysbus_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    dc->vmsd = &sdhci_vmstate;
     dc->props = sdhci_sysbus_properties;
     dc->realize = sdhci_sysbus_realize;
-    dc->reset = sdhci_poweron_reset;
+    dc->unrealize = sdhci_sysbus_unrealize;
+
+    sdhci_common_class_init(klass, data);
 }
 
 static const TypeInfo sdhci_sysbus_info = {
@@ -1375,6 +1429,8 @@ static const TypeInfo sdhci_sysbus_info = {
     .class_init = sdhci_sysbus_class_init,
 };
 
+/* --- qdev bus master --- */
+
 static void sdhci_bus_class_init(ObjectClass *klass, void *data)
 {
     SDBusClass *sbc = SD_BUS_CLASS(klass);

hw/sd/ssi-sd.c

@@ -50,6 +50,9 @@ typedef struct {
     SDState *sd;
 } ssi_sd_state;
 
+#define TYPE_SSI_SD "ssi-sd"
+#define SSI_SD(obj) OBJECT_CHECK(ssi_sd_state, (obj), TYPE_SSI_SD)
+
 /* State word bits.  */
 #define SSI_SDR_LOCKED          0x0001
 #define SSI_SDR_WP_ERASE        0x0002
@@ -241,7 +244,6 @@ static void ssi_sd_realize(SSISlave *d, Error **errp)
     ssi_sd_state *s = FROM_SSI_SLAVE(ssi_sd_state, d);
     DriveInfo *dinfo;
 
-    s->mode = SSI_SD_CMD;
     /* FIXME use a qdev drive property instead of drive_get_next() */
     dinfo = drive_get_next(IF_SD);
     s->sd = sd_init(dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, true);
@@ -251,6 +253,24 @@ static void ssi_sd_realize(SSISlave *d, Error **errp)
     }
 }
 
+static void ssi_sd_reset(DeviceState *dev)
+{
+    ssi_sd_state *s = SSI_SD(dev);
+
+    s->mode = SSI_SD_CMD;
+    s->cmd = 0;
+    memset(s->cmdarg, 0, sizeof(s->cmdarg));
+    memset(s->response, 0, sizeof(s->response));
+    s->arglen = 0;
+    s->response_pos = 0;
+    s->stopping = 0;
+
+    /* Since we're still using the legacy SD API the card is not plugged
+     * into any bus, and we must reset it manually.
+     */
+    device_reset(DEVICE(s->sd));
+}
+
 static void ssi_sd_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -260,10 +280,11 @@ static void ssi_sd_class_init(ObjectClass *klass, void *data)
     k->transfer = ssi_sd_transfer;
     k->cs_polarity = SSI_CS_LOW;
     dc->vmsd = &vmstate_ssi_sd;
+    dc->reset = ssi_sd_reset;
 }
 
 static const TypeInfo ssi_sd_info = {
-    .name          = "ssi-sd",
+    .name          = TYPE_SSI_SD,
     .parent        = TYPE_SSI_SLAVE,
     .instance_size = sizeof(ssi_sd_state),
     .class_init    = ssi_sd_class_init,

hw/sd/trace-events

@@ -1,5 +1,19 @@
 # See docs/devel/tracing.txt for syntax documentation.
 
+# hw/sd/sdhci.c
+sdhci_set_inserted(const char *level) "card state changed: %s"
+sdhci_send_command(uint8_t cmd, uint32_t arg) "CMD%02u ARG[0x%08x]"
+sdhci_error(const char *msg) "%s"
+sdhci_response4(uint32_t r0) "RSPREG[31..0]=0x%08x"
+sdhci_response16(uint32_t r3, uint32_t r2, uint32_t r1, uint32_t r0) "RSPREG[127..96]=0x%08x, RSPREG[95..64]=0x%08x, RSPREG[63..32]=0x%08x, RSPREG[31..0]=0x%08x"
+sdhci_end_transfer(uint8_t cmd, uint32_t arg) "Automatically issue CMD%02u 0x%08x"
+sdhci_adma(const char *desc, uint32_t sysad) "%s: admasysaddr=0x%" PRIx32
+sdhci_adma_loop(uint64_t addr, uint16_t length, uint8_t attr) "addr=0x%08" PRIx64 ", len=%d, attr=0x%x"
+sdhci_adma_transfer_completed(void) ""
+sdhci_access(const char *access, unsigned int size, uint64_t offset, const char *dir, uint64_t val, uint64_t val2) "%s%u: addr[0x%04" PRIx64 "] %s 0x%08" PRIx64 " (%" PRIu64 ")"
+sdhci_read_dataport(uint16_t data_count) "all %u bytes of data have been read from input buffer"
+sdhci_write_dataport(uint16_t data_count) "write buffer filled with %u bytes of data"
+
 # hw/sd/milkymist-memcard.c
 milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
 milkymist_memcard_memory_write(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"

include/hw/sd/sdhci.h

@@ -26,26 +26,29 @@
 #define SDHCI_H
 
 #include "qemu-common.h"
-#include "hw/block/block.h"
 #include "hw/pci/pci.h"
 #include "hw/sysbus.h"
 #include "hw/sd/sd.h"
 
 /* SD/MMC host controller state */
 typedef struct SDHCIState {
+    /*< private >*/
     union {
         PCIDevice pcidev;
         SysBusDevice busdev;
     };
+
+    /*< public >*/
     SDBus sdbus;
     MemoryRegion iomem;
+    AddressSpace *dma_as;
+    MemoryRegion *dma_mr;
 
     QEMUTimer *insert_timer;       /* timer for 'changing' sd card. */
     QEMUTimer *transfer_timer;
-    qemu_irq eject_cb;
-    qemu_irq ro_cb;
     qemu_irq irq;
 
+    /* Registers cleared on reset */
     uint32_t sdmasysad;    /* SDMA System Address register */
     uint16_t blksize;      /* Host DMA Buff Boundary and Transfer BlkSize Reg */
     uint16_t blkcnt;       /* Blocks count for current transfer */
@@ -70,19 +73,23 @@ typedef struct SDHCIState {
     uint16_t acmd12errsts; /* Auto CMD12 error status register */
     uint64_t admasysaddr;  /* ADMA System Address Register */
 
-    uint32_t capareg;      /* Capabilities Register */
+    /* Read-only registers */
-    uint32_t maxcurr;      /* Maximum Current Capabilities Register */
+    uint64_t capareg;      /* Capabilities Register */
+    uint64_t maxcurr;      /* Maximum Current Capabilities Register */
+
     uint8_t  *fifo_buffer; /* SD host i/o FIFO buffer */
     uint32_t buf_maxsz;
     uint16_t data_count;   /* current element in FIFO buffer */
     uint8_t  stopped_state;/* Current SDHC state */
-    bool     pending_insert_quirk;/* Quirk for Raspberry Pi card insert int */
     bool     pending_insert_state;
     /* Buffer Data Port Register - virtual access point to R and W buffers */
     /* Software Reset Register - always reads as 0 */
     /* Force Event Auto CMD12 Error Interrupt Reg - write only */
     /* Force Event Error Interrupt Register- write only */
     /* RO Host Controller Version Register always reads as 0x2401 */
+
+    /* Configurable properties */
+    bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
 } SDHCIState;
 
 #define TYPE_PCI_SDHCI "sdhci-pci"

target/arm/helper.c

@@ -8305,6 +8305,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
         ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_S2NS, &s2pa,
                                  &txattrs, &s2prot, &s2size, fi, NULL);
         if (ret) {
+            assert(fi->type != ARMFault_None);
             fi->s2addr = addr;
             fi->stage2 = true;
             fi->s1ptw = true;
@@ -8328,7 +8329,9 @@ static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure,
     ARMCPU *cpu = ARM_CPU(cs);
     CPUARMState *env = &cpu->env;
     MemTxAttrs attrs = {};
+    MemTxResult result = MEMTX_OK;
     AddressSpace *as;
+    uint32_t data;
 
     attrs.secure = is_secure;
     as = arm_addressspace(cs, attrs);
@@ -8337,10 +8340,16 @@ static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure,
         return 0;
     }
     if (regime_translation_big_endian(env, mmu_idx)) {
-        return address_space_ldl_be(as, addr, attrs, NULL);
+        data = address_space_ldl_be(as, addr, attrs, &result);
     } else {
-        return address_space_ldl_le(as, addr, attrs, NULL);
+        data = address_space_ldl_le(as, addr, attrs, &result);
     }
+    if (result == MEMTX_OK) {
+        return data;
+    }
+    fi->type = ARMFault_SyncExternalOnWalk;
+    fi->ea = arm_extabort_type(result);
+    return 0;
 }
 
 static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
@@ -8349,7 +8358,9 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
     ARMCPU *cpu = ARM_CPU(cs);
     CPUARMState *env = &cpu->env;
     MemTxAttrs attrs = {};
+    MemTxResult result = MEMTX_OK;
     AddressSpace *as;
+    uint32_t data;
 
     attrs.secure = is_secure;
     as = arm_addressspace(cs, attrs);
@@ -8358,10 +8369,16 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
         return 0;
     }
     if (regime_translation_big_endian(env, mmu_idx)) {
-        return address_space_ldq_be(as, addr, attrs, NULL);
+        data = address_space_ldq_be(as, addr, attrs, &result);
     } else {
-        return address_space_ldq_le(as, addr, attrs, NULL);
+        data = address_space_ldq_le(as, addr, attrs, &result);
     }
+    if (result == MEMTX_OK) {
+        return data;
+    }
+    fi->type = ARMFault_SyncExternalOnWalk;
+    fi->ea = arm_extabort_type(result);
+    return 0;
 }
 
 static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
@@ -8390,6 +8407,9 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
     }
     desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
                        mmu_idx, fi);
+    if (fi->type != ARMFault_None) {
+        goto do_fault;
+    }
     type = (desc & 3);
     domain = (desc >> 5) & 0x0f;
     if (regime_el(env, mmu_idx) == 1) {
@@ -8426,6 +8446,9 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
         }
         desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
                            mmu_idx, fi);
+        if (fi->type != ARMFault_None) {
+            goto do_fault;
+        }
         switch (desc & 3) {
         case 0: /* Page translation fault.  */
             fi->type = ARMFault_Translation;
@@ -8508,6 +8531,9 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
     }
     desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
                        mmu_idx, fi);
+    if (fi->type != ARMFault_None) {
+        goto do_fault;
+    }
     type = (desc & 3);
     if (type == 0 || (type == 3 && !arm_feature(env, ARM_FEATURE_PXN))) {
         /* Section translation fault, or attempt to use the encoding
@@ -8559,6 +8585,9 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
         table = (desc & 0xfffffc00) | ((address >> 10) & 0x3fc);
         desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
                            mmu_idx, fi);
+        if (fi->type != ARMFault_None) {
+            goto do_fault;
+        }
         ap = ((desc >> 4) & 3) | ((desc >> 7) & 4);
         switch (desc & 3) {
         case 0: /* Page translation fault.  */
@@ -8964,7 +8993,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
         descaddr &= ~7ULL;
         nstable = extract32(tableattrs, 4, 1);
         descriptor = arm_ldq_ptw(cs, descaddr, !nstable, mmu_idx, fi);
-        if (fi->s1ptw) {
+        if (fi->type != ARMFault_None) {
             goto do_fault;
         }
 
@@ -9272,6 +9301,13 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
                 case 6:
                     *prot |= PAGE_READ | PAGE_EXEC;
                     break;
+                case 7:
+                    /* for v7M, same as 6; for R profile a reserved value */
+                    if (arm_feature(env, ARM_FEATURE_M)) {
+                        *prot |= PAGE_READ | PAGE_EXEC;
+                        break;
+                    }
+                    /* fall through */
                 default:
                     qemu_log_mask(LOG_GUEST_ERROR,
                                   "DRACR[%d]: Bad value for AP bits: 0x%"
@@ -9290,6 +9326,13 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
                 case 6:
                     *prot |= PAGE_READ | PAGE_EXEC;
                     break;
+                case 7:
+                    /* for v7M, same as 6; for R profile a reserved value */
+                    if (arm_feature(env, ARM_FEATURE_M)) {
+                        *prot |= PAGE_READ | PAGE_EXEC;
+                        break;
+                    }
+                    /* fall through */
                 default:
                     qemu_log_mask(LOG_GUEST_ERROR,
                                   "DRACR[%d]: Bad value for AP bits: 0x%"

target/arm/internals.h

@@ -687,6 +687,16 @@ static inline uint32_t arm_fi_to_lfsc(ARMMMUFaultInfo *fi)
     return fsc;
 }
 
+static inline bool arm_extabort_type(MemTxResult result)
+{
+    /* The EA bit in syndromes and fault status registers is an
+     * IMPDEF classification of external aborts. ARM implementations
+     * usually use this to indicate AXI bus Decode error (0) or
+     * Slave error (1); in QEMU we follow that.
+     */
+    return result != MEMTX_DECODE_ERROR;
+}
+
 /* Do a page table walk and add page to TLB if possible */
 bool arm_tlb_fill(CPUState *cpu, vaddr address,
                   MMUAccessType access_type, int mmu_idx,

target/arm/op_helper.c

@@ -220,12 +220,7 @@ void arm_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
     /* now we have a real cpu fault */
     cpu_restore_state(cs, retaddr);
 
-    /* The EA bit in syndromes and fault status registers is an
+    fi.ea = arm_extabort_type(response);
-     * IMPDEF classification of external aborts. ARM implementations
-     * usually use this to indicate AXI bus Decode error (0) or
-     * Slave error (1); in QEMU we follow that.
-     */
-    fi.ea = (response != MEMTX_DECODE_ERROR);
     fi.type = ARMFault_SyncExternal;
     deliver_fault(cpu, addr, access_type, mmu_idx, &fi);
 }

target/arm/translate-a64.c

@@ -4985,6 +4985,38 @@ static void disas_fp_3src(DisasContext *s, uint32_t insn)
     }
 }
 
+/* The imm8 encodes the sign bit, enough bits to represent an exponent in
+ * the range 01....1xx to 10....0xx, and the most significant 4 bits of
+ * the mantissa; see VFPExpandImm() in the v8 ARM ARM.
+ */
+static uint64_t vfp_expand_imm(int size, uint8_t imm8)
+{
+    uint64_t imm;
+
+    switch (size) {
+    case MO_64:
+        imm = (extract32(imm8, 7, 1) ? 0x8000 : 0) |
+            (extract32(imm8, 6, 1) ? 0x3fc0 : 0x4000) |
+            extract32(imm8, 0, 6);
+        imm <<= 48;
+        break;
+    case MO_32:
+        imm = (extract32(imm8, 7, 1) ? 0x8000 : 0) |
+            (extract32(imm8, 6, 1) ? 0x3e00 : 0x4000) |
+            (extract32(imm8, 0, 6) << 3);
+        imm <<= 16;
+        break;
+    case MO_16:
+        imm = (extract32(imm8, 7, 1) ? 0x8000 : 0) |
+            (extract32(imm8, 6, 1) ? 0x3000 : 0x4000) |
+            (extract32(imm8, 0, 6) << 6);
+        break;
+    default:
+        g_assert_not_reached();
+    }
+    return imm;
+}
+
 /* Floating point immediate
  *   31  30  29 28       24 23  22  21 20        13 12   10 9    5 4    0
  * +---+---+---+-----------+------+---+------------+-------+------+------+
@@ -5008,22 +5040,7 @@ static void disas_fp_imm(DisasContext *s, uint32_t insn)
         return;
     }
 
-    /* The imm8 encodes the sign bit, enough bits to represent
+    imm = vfp_expand_imm(MO_32 + is_double, imm8);
-     * an exponent in the range 01....1xx to 10....0xx,
-     * and the most significant 4 bits of the mantissa; see
-     * VFPExpandImm() in the v8 ARM ARM.
-     */
-    if (is_double) {
-        imm = (extract32(imm8, 7, 1) ? 0x8000 : 0) |
-            (extract32(imm8, 6, 1) ? 0x3fc0 : 0x4000) |
-            extract32(imm8, 0, 6);
-        imm <<= 48;
-    } else {
-        imm = (extract32(imm8, 7, 1) ? 0x8000 : 0) |
-            (extract32(imm8, 6, 1) ? 0x3e00 : 0x4000) |
-            (extract32(imm8, 0, 6) << 3);
-        imm <<= 16;
-    }
 
     tcg_res = tcg_const_i64(imm);
     write_fp_dreg(s, rd, tcg_res);