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thermosphere: impl stage2 translation

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This commit is contained in:
TuxSH
2019-08-02 05:12:24 +02:00
parent e0339049b3
commit eb27c36709
18 changed files with 174 additions and 268 deletions
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12
thermosphere/src/mmu.h
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@@ -90,7 +90,7 @@
#define MMU_AP_RO (3ull << 6)
/*
* S2AP[2:1] (for stage2 translations; secmon doesn't use it)
* S2AP[1:0] (for stage2 translations; secmon doesn't use it)
*/
#define MMU_S2AP_NONE (0ull << 6)
#define MMU_S2AP_RO (1ull << 6)
@@ -103,10 +103,19 @@
#define MMU_PMD_ATTRINDX(t) ((uint64_t)((t) << 2))
#define MMU_PMD_ATTRINDX_MASK (7ull << 2)
/*
* MemAttr[3:0] (stage2)
*
*/
#define MMU_MEMATTR(x) ((x) << 2)
#define MMU_MEMATTR_DEVICE_NGNRE MMU_MEMATTR(2)
#define MMU_MEMATTR_NORMAL_CACHEABLE_OR_UNCHANGED MMU_MEMATTR(0xF)
/*
* TCR flags.
*/
#define TCR_T0SZ(x) ((64 - (x)) << 0)
#define VTCR_SL0(x) ((x) << 6)
#define TCR_IRGN_NC (0 << 8)
#define TCR_IRGN_WBWA (1 << 8)
#define TCR_IRGN_WT (2 << 8)
@@ -128,6 +137,7 @@
#define TCR_EL1_RSVD BIT(31)
#define TCR_EL2_RSVD (BIT(31) | BIT(23))
#define VTCR_EL2_RSVD BIT(31)
#define TCR_EL3_RSVD (BIT(31) | BIT(23))
// We define those: