Merge tag 'pull-target-arm-20221121' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/sd: Fix sun4i allwinner-sdhost for U-Boot
 * hw/intc: add implementation of GICD_IIDR to Arm GIC
 * tests/avocado/boot_linux.py: Bump aarch64 virt test timeout
 * target/arm: Limit LPA2 effective output address when TCR.DS == 0

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# gpg: Signature made Mon 21 Nov 2022 07:59:23 EST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20221121' of https://git.linaro.org/people/pmaydell/qemu-arm:
  target/arm: Limit LPA2 effective output address when TCR.DS == 0
  tests/avocado/boot_linux.py: Bump aarch64 virt test timeout to 720s
  hw/intc: add implementation of GICD_IIDR to Arm GIC
  hw/intc: clean-up access to GIC multi-byte registers
  hw/sd: Fix sun4i allwinner-sdhost for U-Boot

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 21 insertions, 7 deletions

diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index 492b242..7a34bc0 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -941,7 +941,7 @@ static void gic_complete_irq(GICState *s, int cpu, int irq, MemTxAttrs attrs)
     gic_update(s);
 }
 
-static uint32_t gic_dist_readb(void *opaque, hwaddr offset, MemTxAttrs attrs)
+static uint8_t gic_dist_readb(void *opaque, hwaddr offset, MemTxAttrs attrs)
 {
     GICState *s = (GICState *)opaque;
     uint32_t res;
@@ -955,6 +955,7 @@ static uint32_t gic_dist_readb(void *opaque, hwaddr offset, MemTxAttrs attrs)
     cm = 1 << cpu;
     if (offset < 0x100) {
         if (offset == 0) {      /* GICD_CTLR */
+            /* We rely here on the only non-zero bits being in byte 0 */
             if (s->security_extn && !attrs.secure) {
                 /* The NS bank of this register is just an alias of the
                  * EnableGrp1 bit in the S bank version.
@@ -964,13 +965,26 @@ static uint32_t gic_dist_readb(void *opaque, hwaddr offset, MemTxAttrs attrs)
                 return s->ctlr;
             }
         }
-        if (offset == 4)
-            /* Interrupt Controller Type Register */
-            return ((s->num_irq / 32) - 1)
-                    | ((s->num_cpu - 1) << 5)
-                    | (s->security_extn << 10);
-        if (offset < 0x08)
+        if (offset == 4) {
+            /* GICD_TYPER byte 0 */
+            return ((s->num_irq / 32) - 1) | ((s->num_cpu - 1) << 5);
+        }
+        if (offset == 5) {
+            /* GICD_TYPER byte 1 */
+            return (s->security_extn << 2);
+        }
+        if (offset == 8) {
+            /* GICD_IIDR byte 0 */
+            return 0x3b; /* Arm JEP106 identity */
+        }
+        if (offset == 9) {
+            /* GICD_IIDR byte 1 */
+            return 0x04; /* Arm JEP106 identity */
+        }
+        if (offset < 0x0c) {
+            /* All other bytes in this range are RAZ */
             return 0;
+        }
         if (offset >= 0x80) {
             /* Interrupt Group Registers: these RAZ/WI if this is an NS
              * access to a GIC with the security extensions, or if the GIC