diff options
| author | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-19 05:44:04 +0000 |
|---|---|---|
| committer | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-19 05:44:04 +0000 |
| commit | 5eb7995e34ebf8cf9a3fc43ed2c7af93149d1b0d (patch) | |
| tree | 007da75ff854ef1bb7b5aeccff93f07cb0da6c55 /target-ppc/translate.c | |
| parent | 1527c87eeeca43ad9e76ed9e394ace2ea03be49a (diff) | |
Code provision for PowerPC BookE MMU model support.
Better MSR flags initialisation.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3189 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 93 |
1 files changed, 90 insertions, 3 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 6583a55deb..21e70195de 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -4618,9 +4618,10 @@ GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_BOOKE) RET_CHG_FLOW(ctx); #endif } + /* TLB management - PowerPC 405 implementation */ /* tlbre */ -GEN_HANDLER(tlbre, 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_SPEC) +GEN_HANDLER(tlbre_40x, 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_SPEC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); @@ -4648,7 +4649,7 @@ GEN_HANDLER(tlbre, 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_SPEC) } /* tlbsx - tlbsx. */ -GEN_HANDLER(tlbsx, 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_SPEC) +GEN_HANDLER(tlbsx_40x, 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_SPEC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); @@ -4667,7 +4668,7 @@ GEN_HANDLER(tlbsx, 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_SPEC) } /* tlbwe */ -GEN_HANDLER(tlbwe, 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_SPEC) +GEN_HANDLER(tlbwe_40x, 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_SPEC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); @@ -4694,6 +4695,92 @@ GEN_HANDLER(tlbwe, 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_SPEC) #endif } +/* TLB management - PowerPC BookE implementation */ +/* tlbre */ +GEN_HANDLER(tlbre_booke, 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (unlikely(!ctx->supervisor)) { + RET_PRIVOPC(ctx); + return; + } + switch (rB(ctx->opcode)) { + case 0: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_booke_tlbre0(); + gen_op_store_T0_gpr(rD(ctx->opcode)); + break; + case 1: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_booke_tlbre1(); + gen_op_store_T0_gpr(rD(ctx->opcode)); + break; + case 2: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_booke_tlbre2(); + gen_op_store_T0_gpr(rD(ctx->opcode)); + break; + default: + RET_INVAL(ctx); + break; + } +#endif +} + +/* tlbsx - tlbsx. */ +GEN_HANDLER(tlbsx_booke, 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (unlikely(!ctx->supervisor)) { + RET_PRIVOPC(ctx); + return; + } + gen_addr_reg_index(ctx); + if (Rc(ctx->opcode)) + gen_op_booke_tlbsx_(); + else + gen_op_booke_tlbsx(); + gen_op_store_T0_gpr(rD(ctx->opcode)); +#endif +} + +/* tlbwe */ +GEN_HANDLER(tlbwe_booke, 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE) +{ +#if defined(CONFIG_USER_ONLY) + RET_PRIVOPC(ctx); +#else + if (unlikely(!ctx->supervisor)) { + RET_PRIVOPC(ctx); + return; + } + switch (rB(ctx->opcode)) { + case 0: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rS(ctx->opcode)); + gen_op_booke_tlbwe0(); + break; + case 1: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rS(ctx->opcode)); + gen_op_booke_tlbwe1(); + break; + case 2: + gen_op_load_gpr_T0(rA(ctx->opcode)); + gen_op_load_gpr_T1(rS(ctx->opcode)); + gen_op_booke_tlbwe2(); + break; + default: + RET_INVAL(ctx); + break; + } +#endif +} + /* wrtee */ GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_EMB_COMMON) { |