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authorAlistair Francis2015-05-29 08:31:58 +0200
committerEdgar E. Iglesias2015-06-21 09:20:15 +0200
commit4e5d45ae5756123b3b7000c8b0b3d3a9ea4737da (patch)
tree9fe391902dfb3df058f1d695216030445f6b7d21 /hw
parenttarget-microblaze: Tidy up the base-vectors property (diff)
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target-microblaze: Convert use-fpu to a CPU property
Originally the use-fpu PVR bits were manually set for each machine. This is a hassle and difficult to read, instead set them based on the CPU properties. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/microblaze/petalogix_ml605_mmu.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index 48c264b9d7..05c120ab7d 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -71,9 +71,8 @@ static void machine_cpu_reset(MicroBlazeCPU *cpu)
env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
/* setup pvr to match kernel setting */
env->pvr.regs[5] |= PVR5_DCACHE_WRITEBACK_MASK;
- env->pvr.regs[0] |= PVR0_USE_FPU_MASK | PVR0_ENDI;
+ env->pvr.regs[0] |= PVR0_ENDI;
env->pvr.regs[0] = (env->pvr.regs[0] & ~PVR0_VERSION_MASK) | (0x14 << 8);
- env->pvr.regs[2] ^= PVR2_USE_FPU2_MASK;
env->pvr.regs[4] = 0xc56b8000;
env->pvr.regs[5] = 0xc56be000;
}
@@ -95,6 +94,10 @@ petalogix_ml605_init(MachineState *machine)
/* init CPUs */
cpu = MICROBLAZE_CPU(object_new(TYPE_MICROBLAZE_CPU));
+ /* Use FPU but don't use floating point conversion and square
+ * root instructions
+ */
+ object_property_set_int(OBJECT(cpu), 1, "use-fpu", &error_abort);
object_property_set_bool(OBJECT(cpu), true, "realized", &error_abort);
/* Attach emulated BRAM through the LMB. */