Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-next-20201017' into staging

MIPS patches queue

. Fix some comment spelling errors
. Demacro some TCG helpers
. Add loongson-ext lswc2/lsdc2 group of instructions
. Log unimplemented cache opcode
. Increase number of TLB entries on the 34Kf core
. Allow the CPU to use dynamic frequencies
. Calculate the CP0 timer period using the CPU frequency
. Set CPU frequency for each machine
. Fix Malta FPGA I/O region size
. Allow running qtests when ROM is missing
. Add record/replay acceptance tests
. Update MIPS CPU documentation
. MAINTAINERS updates

CI jobs results:
  https://gitlab.com/philmd/qemu/-/pipelines/203931842
  https://travis-ci.org/github/philmd/qemu/builds/736491461
  https://cirrus-ci.com/build/6272264062631936
  https://app.shippable.com/github/philmd/qemu/runs/886/summary/console

# gpg: Signature made Sat 17 Oct 2020 14:59:53 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/mips-next-20201017: (44 commits)
  target/mips: Increase number of TLB entries on the 34Kf core (16 -> 64)
  MAINTAINERS: Remove duplicated Malta test entries
  MAINTAINERS: Downgrade MIPS Boston to 'Odd Fixes', fix Paul Burton mail
  MAINTAINERS: Put myself forward for MIPS target
  MAINTAINERS: Remove myself
  docs/system: Update MIPS CPU documentation
  tests/acceptance: Add MIPS record/replay tests
  hw/mips: Remove exit(1) in case of missing ROM
  hw/mips: Rename TYPE_MIPS_BOSTON to TYPE_BOSTON
  hw/mips: Simplify code using ROUND_UP(INITRD_PAGE_SIZE)
  hw/mips: Simplify loading 64-bit ELF kernels
  hw/mips/malta: Use clearer qdev style
  hw/mips/malta: Move gt64120 related code together
  hw/mips/malta: Fix FPGA I/O region size
  target/mips/cpu: Display warning when CPU is used without input clock
  hw/mips/cps: Do not allow use without input clock
  hw/mips/malta: Set CPU frequency to 320 MHz
  hw/mips/boston: Set CPU frequency to 1 GHz
  hw/mips/cps: Expose input clock and connect it to CPU cores
  hw/mips/jazz: Correct CPU frequencies
  ...

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

4 files changed, 30 insertions, 1 deletions

diff --git a/include/hw/clock.h b/include/hw/clock.h
index d357594df9..cbc5e6ced1 100644
--- a/include/hw/clock.h
+++ b/include/hw/clock.h
@@ -91,6 +91,19 @@ extern const VMStateDescription vmstate_clock;
 void clock_setup_canonical_path(Clock *clk);
 
 /**
+ * clock_new:
+ * @parent: the clock parent
+ * @name: the clock object name
+ *
+ * Helper function to create a new clock and parent it to @parent. There is no
+ * need to call clock_setup_canonical_path on the returned clock as it is done
+ * by this function.
+ *
+ * @return the newly created clock
+ */
+Clock *clock_new(Object *parent, const char *name);
+
+/**
  * clock_set_callback:
  * @clk: the clock to register the callback into
  * @cb: the callback function
diff --git a/include/hw/mips/cps.h b/include/hw/mips/cps.h
index 9e35a88136..859a8d4a67 100644
--- a/include/hw/mips/cps.h
+++ b/include/hw/mips/cps.h
@@ -21,6 +21,7 @@
 #define MIPS_CPS_H
 
 #include "hw/sysbus.h"
+#include "hw/clock.h"
 #include "hw/misc/mips_cmgcr.h"
 #include "hw/intc/mips_gic.h"
 #include "hw/misc/mips_cpc.h"
@@ -43,6 +44,7 @@ struct MIPSCPSState {
     MIPSGICState gic;
     MIPSCPCState cpc;
     MIPSITUState itu;
+    Clock *clock;
 };
 
 qemu_irq get_cps_irq(MIPSCPSState *cps, int pin_number);
diff --git a/include/hw/mips/mips.h b/include/hw/mips/mips.h
index 0af4c3d5d7..6c9c8805f3 100644
--- a/include/hw/mips/mips.h
+++ b/include/hw/mips/mips.h
@@ -2,8 +2,10 @@
 #define HW_MIPS_H
 /* Definitions for mips board emulation.  */
 
+#include "qemu/units.h"
+
 /* Kernels can be configured with 64KB pages */
-#define INITRD_PAGE_MASK (~((1 << 16) - 1))
+#define INITRD_PAGE_SIZE (64 * KiB)
 
 #include "exec/memory.h"
 
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index 3a86ec0321..4bbf4834ea 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -158,6 +158,18 @@ int qemu_strtosz_metric(const char *nptr, const char **end, uint64_t *result);
 
 char *size_to_str(uint64_t val);
 
+/**
+ * freq_to_str:
+ * @freq_hz: frequency to stringify
+ *
+ * Return human readable string for frequency @freq_hz.
+ * Use SI units like KHz, MHz, and so forth.
+ *
+ * The caller is responsible for releasing the value returned
+ * with g_free() after use.
+ */
+char *freq_to_str(uint64_t freq_hz);
+
 /* used to print char* safely */
 #define STR_OR_NULL(str) ((str) ? (str) : "null")