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Set EN_MAS7_UPDATE HID0 bit for e500 core.

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Without enabling this bit, tlbre and tlbsx don't update the MAS7 register,
resulting in garbage in the register after a read (rather, the previous setting
of it for a tlbwe).  This can result in mmu_booke_mapdev_attr() thinking
mappings that should match actually don't, because tlb1_read_entry() can't
determine the correct address of a given entry.

MFC after:	11-RELEASE
This commit is contained in:
Justin Hibbits 2016-08-07 19:09:56 +00:00
parent 4294f337b0
commit 080286e983
1 changed files with 2 additions and 1 deletions
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3
sys/powerpc/include/hid.h
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@ -208,7 +208,8 @@
#define HID1_E500_ASTME 0x00002000 /* Address bus streaming mode enable */
#define HID1_E500_RFXE 0x00020000 /* Read fault exception enable */
#define HID0_E500_DEFAULT_SET (HID0_EMCP | HID0_E500_TBEN)
#define HID0_E500_DEFAULT_SET (HID0_EMCP | HID0_E500_TBEN | \
HID0_E500_MAS7UPDEN)
#define HID1_E500_DEFAULT_SET (HID1_E500_ABE | HID1_E500_ASTME)
#define HID0_E500MC_DEFAULT_SET (HID0_EMCP | HID0_E500MC_L2MMU_MHD | \
HID0_E500_MAS7UPDEN)