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| author | Tony Nguyen <tony.nguyen@bt.com> | 2019-08-24 04:36:58 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-03 08:30:39 -0700 |
| commit | ccdb4c5535f41ee4da2ef158f58fca0327e50dab (patch) | |
| tree | 1f9f4778fe533a8406fda91106dc0af817ef0ebc | |
| parent | 9bed46e67e2ee54bc596ba58063ee71a5ca40923 (diff) | |
| download | qemu-ccdb4c5535f41ee4da2ef158f58fca0327e50dab.zip qemu-ccdb4c5535f41ee4da2ef158f58fca0327e50dab.tar.gz qemu-ccdb4c5535f41ee4da2ef158f58fca0327e50dab.tar.bz2 | |
target/sparc: sun4u Invert Endian TTE bit
This bit configures endianness of PCI MMIO devices. It is used by
Solaris and OpenBSD sunhme drivers.
Tested working on OpenBSD.
Unfortunately Solaris 10 had a unrelated keyboard issue blocking
testing... another inch towards Solaris 10 on SPARC64 =)
Signed-off-by: Tony Nguyen <tony.nguyen@bt.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <3c8d5181a584f1b3712d3d8d66801b13cecb4b88.1566466906.git.tony.nguyen@bt.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/sparc/cpu.h | 2 | ||||
| -rw-r--r-- | target/sparc/mmu_helper.c | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 694d713..490e14d 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -275,6 +275,7 @@ enum { #define TTE_VALID_BIT (1ULL << 63) #define TTE_NFO_BIT (1ULL << 60) +#define TTE_IE_BIT (1ULL << 59) #define TTE_USED_BIT (1ULL << 41) #define TTE_LOCKED_BIT (1ULL << 6) #define TTE_SIDEEFFECT_BIT (1ULL << 3) @@ -291,6 +292,7 @@ enum { #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT) #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT) +#define TTE_IS_IE(tte) ((tte) & TTE_IE_BIT) #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT) #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT) #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT) diff --git a/target/sparc/mmu_helper.c b/target/sparc/mmu_helper.c index 826e14b..77dc86a 100644 --- a/target/sparc/mmu_helper.c +++ b/target/sparc/mmu_helper.c @@ -537,6 +537,10 @@ static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical, if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) { int do_fault = 0; + if (TTE_IS_IE(env->dtlb[i].tte)) { + attrs->byte_swap = true; + } + /* access ok? */ /* multiple bits in SFSR.FT may be set on TT_DFAULT */ if (TTE_IS_PRIV(env->dtlb[i].tte) && is_user) { @@ -792,7 +796,7 @@ void dump_mmu(CPUSPARCState *env) } if (TTE_IS_VALID(env->dtlb[i].tte)) { qemu_printf("[%02u] VA: %" PRIx64 ", PA: %llx" - ", %s, %s, %s, %s, ctx %" PRId64 " %s\n", + ", %s, %s, %s, %s, ie %s, ctx %" PRId64 " %s\n", i, env->dtlb[i].tag & (uint64_t)~0x1fffULL, TTE_PA(env->dtlb[i].tte), @@ -801,6 +805,8 @@ void dump_mmu(CPUSPARCState *env) TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO", TTE_IS_LOCKED(env->dtlb[i].tte) ? "locked" : "unlocked", + TTE_IS_IE(env->dtlb[i].tte) ? + "yes" : "no", env->dtlb[i].tag & (uint64_t)0x1fffULL, TTE_IS_GLOBAL(env->dtlb[i].tte) ? "global" : "local"); |