From c03900f1d25ee8a7feaf836665210ea96549d346 Mon Sep 17 00:00:00 2001 From: comex Date: Sun, 11 Jan 2015 21:13:04 -0500 Subject: thumb2 progress --- lib/dis-arm.inc.h | 37 ++++++++++++++++++++++++++++--------- 1 file changed, 28 insertions(+), 9 deletions(-) (limited to 'lib/dis-arm.inc.h') diff --git a/lib/dis-arm.inc.h b/lib/dis-arm.inc.h index 2785725..550b8e7 100644 --- a/lib/dis-arm.inc.h +++ b/lib/dis-arm.inc.h @@ -1,7 +1,7 @@ #include "dis.h" -static INLINE tdis_ret P(GPRPairOp_Rt_addr_offset_none_addr_S_2_STLEXD)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) { - data(r(Rt), r(addr)); +static INLINE tdis_ret P(GPRPairOp_Rt_addr_offset_none_addr_unk_Rd_S_2_STLEXD)(tdis_ctx ctx, struct bitslice Rt, struct bitslice Rd, struct bitslice addr) { + data(r(Rt), r(Rd), r(addr)); } static INLINE tdis_ret P(GPR_Rm_unk_Rd_1_MOVr)(tdis_ctx ctx, struct bitslice Rm, struct bitslice Rd) { data(rout(Rd), r(Rm)); @@ -21,7 +21,7 @@ static INLINE tdis_ret P(GPR_Rn_unk_Rd_1_ADDri)(tdis_ctx ctx, struct bitslice Rd static INLINE tdis_ret P(GPR_Rt_4_MCR)(tdis_ctx ctx, struct bitslice Rt) { data(r(Rt)); } -static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_S_10_STL)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) { +static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_S_3_STL)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) { data(r(addr), rout(Rt)); } static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_am2offset_imm_offset_S_4_STRBT_POST_IMM)(tdis_ctx ctx, UNUSED struct bitslice offset, struct bitslice Rt, struct bitslice addr) { @@ -55,7 +55,7 @@ static INLINE tdis_ret P(GPR_Rt_ldst_so_reg_shift_S_1_STRrs)(tdis_ctx ctx, struc data(rs(shift, 0, 4), rs(shift, 13, 4), r(Rt)); } static INLINE tdis_ret P(GPRnopc_Rt_4_MCRR)(tdis_ctx ctx, UNUSED struct bitslice Rt) { - // need Rt2 but whatever + /* need Rt2 but whatever */ return P(unidentified)(ctx); } static INLINE tdis_ret P(GPRnopc_Rt_addrmode_imm12_addr_S_1_STRBi12)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) { @@ -88,14 +88,15 @@ static INLINE tdis_ret P(addr_offset_none_addr_postidx_imm8s4_offset_4_LDC2L_POS static INLINE tdis_ret P(addr_offset_none_addr_postidx_imm8s4_offset_S_4_STC2L_POST)(tdis_ctx ctx, UNUSED struct bitslice offset, struct bitslice addr) { data(r(addr)); } -static INLINE tdis_ret P(addr_offset_none_addr_unk_Rt_16_LDA)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) { +static INLINE tdis_ret P(addr_offset_none_addr_unk_Rt_13_LDA)(tdis_ctx ctx, struct bitslice Rt, struct bitslice addr) { data(r(addr), rout(Rt)); } static INLINE tdis_ret P(addrmode3_addr_unk_Rt_4_LDRD)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) { - data(rsout(addr, 9, 4), rs(addr, 0, 4), r(Rt)); + /* ignoring Rt2 = Rt + 1, but it isn't supposed to load PC anyway */ + data(rs(addr, 9, 4), rs(addr, 0, 4)); } static INLINE tdis_ret P(addrmode3_pre_addr_unk_Rt_4_LDRD_PRE)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) { - data(rsout(addr, 9, 4), rs(addr, 0, 4), r(Rt)); + data(rs(addr, 9, 4), rs(addr, 0, 4)); } static INLINE tdis_ret P(addrmode5_addr_8_LDC2L_OFFSET)(tdis_ctx ctx, struct bitslice addr) { data(rsout(addr, 9, 4)); @@ -115,8 +116,8 @@ static INLINE tdis_ret P(addrmode_imm12_addr_unk_Rt_2_LDRBi12)(tdis_ctx ctx, str static INLINE tdis_ret P(addrmode_imm12_pre_addr_unk_Rt_2_LDRB_PRE_IMM)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) { data(rs(addr, 13, 4), rout(Rt)); } -static INLINE tdis_ret P(adrlabel_label_1_ADR)(tdis_ctx ctx, struct bitslice label) { - return P(adr)(ctx, ctx->pc + 8 + bs_get(label, ctx->op)); +static INLINE tdis_ret P(adrlabel_label_unk_Rd_1_ADR)(tdis_ctx ctx, struct bitslice label, struct bitslice Rd) { + return P(pcrel)(ctx, ctx->pc + 8 + bs_get(label, ctx->op), bs_get(Rd, ctx->op), false); } static INLINE tdis_ret P(br_target_target_B_1_Bcc)(tdis_ctx ctx, struct bitslice target) { return P(branch)(ctx, ctx->pc + 8 + sext(bs_get(target, ctx->op), 24)); @@ -136,6 +137,24 @@ static INLINE tdis_ret P(unk_Rd_5_MOVTi16)(tdis_ctx ctx, struct bitslice Rd) { static INLINE tdis_ret P(unk_Rt_13_MRC)(tdis_ctx ctx, struct bitslice Rt) { data(rout(Rt)); } +static INLINE tdis_ret P(GPR_Rn_reglist_regs_16_LDMDA)(tdis_ctx ctx, struct bitslice regs, UNUSED struct bitslice Rn) { + unsigned regs_val = bs_get(regs, ctx->op); + if(regs_val & (1 << 15)) + return P(ret)(ctx); + return P(unidentified)(ctx); +} +static INLINE tdis_ret P(GPR_Rn_reglist_regs_S_16_STMDA)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) { + return P(unidentified)(ctx); +} +static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_unk_Rd_S_6_STLEX)(tdis_ctx ctx, struct bitslice Rt, struct bitslice Rd, struct bitslice addr) { + data(r(addr), r(Rt), r(Rd)); +} +static INLINE tdis_ret P(addr_offset_none_addr_postidx_reg_Rm_unk_Rt_3_LDRHTr)(tdis_ctx ctx, struct bitslice Rm, struct bitslice Rt, struct bitslice addr) { + data(r(addr), rout(Rt), r(Rm)); +} +static INLINE tdis_ret P(GPR_Rt_addr_offset_none_addr_postidx_reg_Rm_S_1_STRHTr)(tdis_ctx ctx, struct bitslice Rm, struct bitslice Rt, struct bitslice addr) { + data(r(addr), r(Rt), r(Rm)); +} static tdis_ret P(dis_arm)(tdis_ctx ctx) { unsigned op = ctx->op; -- cgit v1.2.3