diff options
Diffstat (limited to 'src/target/armv7a_mmu.c')
| -rw-r--r-- | src/target/armv7a_mmu.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/src/target/armv7a_mmu.c b/src/target/armv7a_mmu.c index aa3dc16..f83228d 100644 --- a/src/target/armv7a_mmu.c +++ b/src/target/armv7a_mmu.c @@ -42,7 +42,7 @@ int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va, struct armv7a_common *armv7a = target_to_armv7a(target); struct arm_dpm *dpm = armv7a->arm.dpm; uint32_t virt = va & ~0xfff, value; - uint32_t NOS, NS, INNER, OUTER; + uint32_t NOS, NS, INNER, OUTER, SS; *val = 0xdeadbeef; retval = dpm->prepare(dpm); if (retval != ERROR_OK) @@ -59,19 +59,36 @@ int armv7a_mmu_translate_va_pa(struct target *target, uint32_t va, &value); if (retval != ERROR_OK) goto done; - *val = value; - /* decode memory attribute */ - NOS = (*val >> 10) & 1; /* Not Outer shareable */ - NS = (*val >> 9) & 1; /* Non secure */ - INNER = (*val >> 4) & 0x7; - OUTER = (*val >> 2) & 0x3; - *val = (*val & ~0xfff) + (va & 0xfff); + /* decode memory attribute */ + SS = (value >> 1) & 1; +#if !BUILD_TARGET64 + if (SS) { + LOG_ERROR("Super section found with no-64 bit address support"); + return ERROR_FAIL; + } +#endif + NOS = (value >> 10) & 1; /* Not Outer shareable */ + NS = (value >> 9) & 1; /* Non secure */ + INNER = (value >> 4) & 0x7; + OUTER = (value >> 2) & 0x3; + + if (SS) { + /* PAR[31:24] contains PA[31:24] */ + *val = value & 0xff000000; + /* PAR [23:16] contains PA[39:32] */ + *val |= (target_addr_t)(value & 0x00ff0000) << 16; + /* PA[23:12] is the same as VA[23:12] */ + *val |= (va & 0xffffff); + } else { + *val = (value & ~0xfff) + (va & 0xfff); + } if (meminfo) { - LOG_INFO("%" PRIx32 " : %" TARGET_PRIxADDR " %s outer shareable %s secured", + LOG_INFO("%" PRIx32 " : %" TARGET_PRIxADDR " %s outer shareable %s secured %s super section", va, *val, NOS == 1 ? "not" : " ", - NS == 1 ? "not" : ""); + NS == 1 ? "not" : "", + SS == 0 ? "not" : ""); switch (OUTER) { case 0: LOG_INFO("outer: Non-Cacheable"); |