Merge remote-tracking branch 'remotes/lalrae/tags/mips-20160323' into staging

MIPS patches 2016-03-23

Changes:
* add mips-softmmu-common.mak
* indicate presence of IEEE 754-2008 FPU in MIPS64R6-generic and P5600

# gpg: Signature made Wed 23 Mar 2016 16:38:04 GMT using RSA key ID 0B29DA6B
# gpg: Good signature from "Leon Alrae <leon.alrae@imgtec.com>"

* remotes/lalrae/tags/mips-20160323:
  default-configs: add mips-softmmu-common.mak
  target-mips: indicate presence of IEEE 754-2008 FPU in R6/R5+MSA CPUs

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

8 files changed, 53 insertions, 129 deletions

diff --git a/default-configs/mips-softmmu-common.mak b/default-configs/mips-softmmu-common.mak
new file mode 100644
index 0000000..37009a3
--- /dev/null
+++ b/default-configs/mips-softmmu-common.mak
@@ -0,0 +1,32 @@
+# Common mips*-softmmu CONFIG defines
+
+include pci.mak
+include sound.mak
+include usb.mak
+CONFIG_ESP=y
+CONFIG_VGA_ISA=y
+CONFIG_VGA_ISA_MM=y
+CONFIG_VGA_CIRRUS=y
+CONFIG_VMWARE_VGA=y
+CONFIG_SERIAL=y
+CONFIG_PARALLEL=y
+CONFIG_I8254=y
+CONFIG_PCSPK=y
+CONFIG_PCKBD=y
+CONFIG_FDC=y
+CONFIG_ACPI=y
+CONFIG_ACPI_X86=y
+CONFIG_ACPI_MEMORY_HOTPLUG=y
+CONFIG_ACPI_CPU_HOTPLUG=y
+CONFIG_APM=y
+CONFIG_I8257=y
+CONFIG_PIIX4=y
+CONFIG_IDE_ISA=y
+CONFIG_IDE_PIIX=y
+CONFIG_NE2000_ISA=y
+CONFIG_MIPSNET=y
+CONFIG_PFLASH_CFI01=y
+CONFIG_I8259=y
+CONFIG_MC146818RTC=y
+CONFIG_ISA_TESTDEV=y
+CONFIG_EMPTY_SLOT=y
diff --git a/default-configs/mips-softmmu.mak b/default-configs/mips-softmmu.mak
index 44467c3..9fede6e 100644
--- a/default-configs/mips-softmmu.mak
+++ b/default-configs/mips-softmmu.mak
@@ -1,32 +1,3 @@
 # Default configuration for mips-softmmu
 
-include pci.mak
-include sound.mak
-include usb.mak
-CONFIG_ESP=y
-CONFIG_VGA_ISA=y
-CONFIG_VGA_ISA_MM=y
-CONFIG_VGA_CIRRUS=y
-CONFIG_VMWARE_VGA=y
-CONFIG_SERIAL=y
-CONFIG_PARALLEL=y
-CONFIG_I8254=y
-CONFIG_PCSPK=y
-CONFIG_PCKBD=y
-CONFIG_FDC=y
-CONFIG_ACPI=y
-CONFIG_ACPI_X86=y
-CONFIG_ACPI_MEMORY_HOTPLUG=y
-CONFIG_ACPI_CPU_HOTPLUG=y
-CONFIG_APM=y
-CONFIG_I8257=y
-CONFIG_PIIX4=y
-CONFIG_IDE_ISA=y
-CONFIG_IDE_PIIX=y
-CONFIG_NE2000_ISA=y
-CONFIG_MIPSNET=y
-CONFIG_PFLASH_CFI01=y
-CONFIG_I8259=y
-CONFIG_MC146818RTC=y
-CONFIG_ISA_TESTDEV=y
-CONFIG_EMPTY_SLOT=y
+include mips-softmmu-common.mak
diff --git a/default-configs/mips64-softmmu.mak b/default-configs/mips64-softmmu.mak
index 66ed5f9..bad7496 100644
--- a/default-configs/mips64-softmmu.mak
+++ b/default-configs/mips64-softmmu.mak
@@ -1,38 +1,9 @@
 # Default configuration for mips64-softmmu
 
-include pci.mak
-include sound.mak
-include usb.mak
-CONFIG_ESP=y
-CONFIG_VGA_ISA=y
-CONFIG_VGA_ISA_MM=y
-CONFIG_VGA_CIRRUS=y
-CONFIG_VMWARE_VGA=y
-CONFIG_SERIAL=y
-CONFIG_PARALLEL=y
-CONFIG_I8254=y
-CONFIG_PCSPK=y
-CONFIG_PCKBD=y
-CONFIG_FDC=y
-CONFIG_ACPI=y
-CONFIG_ACPI_X86=y
-CONFIG_ACPI_MEMORY_HOTPLUG=y
-CONFIG_ACPI_CPU_HOTPLUG=y
-CONFIG_APM=y
-CONFIG_I8257=y
-CONFIG_PIIX4=y
-CONFIG_IDE_ISA=y
-CONFIG_IDE_PIIX=y
-CONFIG_NE2000_ISA=y
+include mips-softmmu-common.mak
 CONFIG_RC4030=y
 CONFIG_DP8393X=y
 CONFIG_DS1225Y=y
-CONFIG_MIPSNET=y
-CONFIG_PFLASH_CFI01=y
 CONFIG_JAZZ=y
 CONFIG_G364FB=y
-CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
-CONFIG_MC146818RTC=y
-CONFIG_ISA_TESTDEV=y
-CONFIG_EMPTY_SLOT=y
diff --git a/default-configs/mips64el-softmmu.mak b/default-configs/mips64el-softmmu.mak
index bfca2b2..485e218 100644
--- a/default-configs/mips64el-softmmu.mak
+++ b/default-configs/mips64el-softmmu.mak
@@ -1,41 +1,12 @@
 # Default configuration for mips64el-softmmu
 
-include pci.mak
-include sound.mak
-include usb.mak
-CONFIG_ESP=y
-CONFIG_VGA_ISA=y
-CONFIG_VGA_ISA_MM=y
-CONFIG_VGA_CIRRUS=y
-CONFIG_VMWARE_VGA=y
-CONFIG_SERIAL=y
-CONFIG_PARALLEL=y
-CONFIG_I8254=y
-CONFIG_PCSPK=y
-CONFIG_PCKBD=y
-CONFIG_FDC=y
-CONFIG_ACPI=y
-CONFIG_ACPI_X86=y
-CONFIG_ACPI_MEMORY_HOTPLUG=y
-CONFIG_ACPI_CPU_HOTPLUG=y
-CONFIG_APM=y
-CONFIG_I8257=y
-CONFIG_PIIX4=y
-CONFIG_IDE_ISA=y
-CONFIG_IDE_PIIX=y
+include mips-softmmu-common.mak
 CONFIG_IDE_VIA=y
-CONFIG_NE2000_ISA=y
 CONFIG_RC4030=y
 CONFIG_DP8393X=y
 CONFIG_DS1225Y=y
-CONFIG_MIPSNET=y
-CONFIG_PFLASH_CFI01=y
 CONFIG_FULONG=y
 CONFIG_JAZZ=y
 CONFIG_G364FB=y
-CONFIG_I8259=y
 CONFIG_JAZZ_LED=y
-CONFIG_MC146818RTC=y
 CONFIG_VT82C686=y
-CONFIG_ISA_TESTDEV=y
-CONFIG_EMPTY_SLOT=y
diff --git a/default-configs/mipsel-softmmu.mak b/default-configs/mipsel-softmmu.mak
index 0162ef0..a7f6059 100644
--- a/default-configs/mipsel-softmmu.mak
+++ b/default-configs/mipsel-softmmu.mak
@@ -1,32 +1,3 @@
 # Default configuration for mipsel-softmmu
 
-include pci.mak
-include sound.mak
-include usb.mak
-CONFIG_ESP=y
-CONFIG_VGA_ISA=y
-CONFIG_VGA_ISA_MM=y
-CONFIG_VGA_CIRRUS=y
-CONFIG_VMWARE_VGA=y
-CONFIG_SERIAL=y
-CONFIG_PARALLEL=y
-CONFIG_I8254=y
-CONFIG_PCSPK=y
-CONFIG_PCKBD=y
-CONFIG_FDC=y
-CONFIG_ACPI=y
-CONFIG_ACPI_X86=y
-CONFIG_ACPI_MEMORY_HOTPLUG=y
-CONFIG_ACPI_CPU_HOTPLUG=y
-CONFIG_APM=y
-CONFIG_I8257=y
-CONFIG_PIIX4=y
-CONFIG_IDE_ISA=y
-CONFIG_IDE_PIIX=y
-CONFIG_NE2000_ISA=y
-CONFIG_MIPSNET=y
-CONFIG_PFLASH_CFI01=y
-CONFIG_I8259=y
-CONFIG_MC146818RTC=y
-CONFIG_ISA_TESTDEV=y
-CONFIG_EMPTY_SLOT=y
+include mips-softmmu-common.mak
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 1e2b070..4f3ebb9 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -99,6 +99,7 @@ struct CPUMIPSFPUContext {
     uint32_t fcr0;
 #define FCR0_FREP 29
 #define FCR0_UFRP 28
+#define FCR0_HAS2008 23
 #define FCR0_F64 22
 #define FCR0_L 21
 #define FCR0_W 20
@@ -110,6 +111,8 @@ struct CPUMIPSFPUContext {
 #define FCR0_REV 0
     /* fcsr */
     uint32_t fcr31;
+#define FCR31_ABS2008 19
+#define FCR31_NAN2008 18
 #define SET_FP_COND(num,env)     do { ((env).fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
 #define CLEAR_FP_COND(num,env)   do { ((env).fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
 #define GET_FP_COND(env)         ((((env).fcr31 >> 24) & 0xfe) | (((env).fcr31 >> 23) & 0x1))
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 12ed820..0f43bf4 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -20012,6 +20012,7 @@ void cpu_state_reset(CPUMIPSState *env)
     env->CP0_PageGrain_rw_bitmask = env->cpu_model->CP0_PageGrain_rw_bitmask;
     env->CP0_PageGrain = env->cpu_model->CP0_PageGrain;
     env->active_fpu.fcr0 = env->cpu_model->CP1_fcr0;
+    env->active_fpu.fcr31 = env->cpu_model->CP1_fcr31;
     env->msair = env->cpu_model->MSAIR;
     env->insn_flags = env->cpu_model->insn_flags;
 
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index cdef59d..3192db0 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -84,6 +84,7 @@ struct mips_def_t {
     int32_t CP0_TCStatus_rw_bitmask;
     int32_t CP0_SRSCtl;
     int32_t CP1_fcr0;
+    int32_t CP1_fcr31;
     int32_t MSAIR;
     int32_t SEGBITS;
     int32_t PABITS;
@@ -421,9 +422,10 @@ static const mips_def_t mips_defs[] =
         .CP0_Status_rw_bitmask = 0x3C68FF1F,
         .CP0_PageGrain_rw_bitmask = (1U << CP0PG_RIE) | (1 << CP0PG_XIE) |
                     (1 << CP0PG_ELPA) | (1 << CP0PG_IEC),
-        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_UFRP) | (1 << FCR0_F64) |
-                    (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
-                    (1 << FCR0_S) | (0x03 << FCR0_PRID),
+        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_UFRP) | (1 << FCR0_HAS2008) |
+                    (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+                    (1 << FCR0_D) | (1 << FCR0_S) | (0x03 << FCR0_PRID),
+        .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
         .SEGBITS = 32,
         .PABITS = 40,
         .insn_flags = CPU_MIPS32R5 | ASE_MSA,
@@ -458,9 +460,10 @@ static const mips_def_t mips_defs[] =
         .CP0_PageGrain = (1 << CP0PG_IEC) | (1 << CP0PG_XIE) |
                          (1U << CP0PG_RIE),
         .CP0_PageGrain_rw_bitmask = 0,
-        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_F64) | (1 << FCR0_L) |
-                    (1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S) |
-                    (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_HAS2008) | (1 << FCR0_F64) |
+                    (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
+                    (1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
         .SEGBITS = 32,
         .PABITS = 32,
         .insn_flags = CPU_MIPS32R6 | ASE_MICROMIPS,
@@ -677,9 +680,10 @@ static const mips_def_t mips_defs[] =
         .CP0_PageGrain = (1 << CP0PG_IEC) | (1 << CP0PG_XIE) |
                          (1U << CP0PG_RIE),
         .CP0_PageGrain_rw_bitmask = (1 << CP0PG_ELPA),
-        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_F64) | (1 << FCR0_L) |
-                    (1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S) |
-                    (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_HAS2008) | (1 << FCR0_F64) |
+                    (1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
+                    (1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
+        .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
         .SEGBITS = 48,
         .PABITS = 48,
         .insn_flags = CPU_MIPS64R6 | ASE_MSA,