@@ -1355,6 +1355,10 @@ static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
#define SPR_BOOKE_DVC2 (0x13F)
#define SPR_BOOKE_TSR (0x150)
#define SPR_BOOKE_TCR (0x154)
+#define SPR_BOOKE_TLB0PS (0x158)
+#define SPR_BOOKE_TLB1PS (0x159)
+#define SPR_BOOKE_TLB2PS (0x15A)
+#define SPR_BOOKE_TLB3PS (0x15B)
#define SPR_BOOKE_IVOR0 (0x190)
#define SPR_BOOKE_IVOR1 (0x191)
#define SPR_BOOKE_IVOR2 (0x192)
@@ -2116,6 +2120,27 @@ static inline ppcmas_tlb_t *booke206_get_tlbm(CPUState *env, const int tlbn,
return &env->tlb.tlbm[r];
}
+/* returns bitmap of supported page sizes for a given TLB */
+static inline uint32_t booke206_tlbnps(CPUState *env, const int tlbn)
+{
+ bool mav2 = false;
+ uint32_t ret = 0;
+
+ if (mav2) {
+ ret = env->spr[SPR_BOOKE_TLB0PS + tlbn];
+ } else {
+ uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
+ uint32_t min = (tlbncfg & TLBnCFG_MINSIZE) >> TLBnCFG_MINSIZE_SHIFT;
+ uint32_t max = (tlbncfg & TLBnCFG_MAXSIZE) >> TLBnCFG_MAXSIZE_SHIFT;
+ int i;
+ for (i = min; i <= max; i++) {
+ ret |= (1 << (i << 1));
+ }
+ }
+
+ return ret;
+}
+
#endif
extern void (*cpu_ppc_hypercall)(CPUState *);
When using MAV 2.0 TLB registers, we have another range of TLB registers available to read the supported page sizes from. Add SPR definitions for those and add a helper function that we can use to receive such a bitmap even when using MAV 1.0. Signed-off-by: Alexander Graf <agraf@suse.de> --- target-ppc/cpu.h | 25 +++++++++++++++++++++++++ 1 files changed, 25 insertions(+), 0 deletions(-)