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target/mips: Enable CP0_EBase.WG on MIPS64 CPUs

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Enable the CP0_EBase.WG (write gate) on the I6400 and MIPS64R2-generic
CPUs. This allows 64-bit guests to run KVM itself, which uses
CP0_EBase.WG to point CP0_EBase at XKPhys.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Yongbok Kim <yongbok.kim@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This commit is contained in:
James Hogan 2017-07-18 12:55:59 +01:00 committed by Yongbok Kim
parent 574da58e46
commit bad63a8008
1 changed files with 2 additions and 0 deletions
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target/mips/translate_init.c
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@ -640,6 +640,7 @@ static const mips_def_t mips_defs[] =
.SYNCI_Step = 32,
.CCRes = 2,
.CP0_Status_rw_bitmask = 0x36FBFFFF,
.CP0_EBaseWG_rw_bitmask = (1 << CP0EBase_WG),
.CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_3D) | (1 << FCR0_PS) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
@ -723,6 +724,7 @@ 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),
.CP0_EBaseWG_rw_bitmask = (1 << CP0EBase_WG),
.CP1_fcr0 = (1 << FCR0_FREP) | (1 << FCR0_HAS2008) | (1 << FCR0_F64) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x03 << FCR0_PRID) | (0x0 << FCR0_REV),