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X-Received-From: 2607:f8b0:4864:20::541 Subject: [Qemu-devel] [PATCH v8 21/21] target/sparc: sun4u Invert Endian TTE bit X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Nguyen , Tony Nguyen , Mark Cave-Ayland , Richard Henderson , Artyom Tarasenko Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Reviewed-by: Richard Henderson Tested-by: Mark Cave-Ayland --- target/sparc/cpu.h | 2 ++ target/sparc/mmu_helper.c | 8 +++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 694d7139cf..490e14dfcf 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 826e14b6f0..77dc86ac5c 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"); -- 2.23.0