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correct terminology

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ed
2026-09-09 16:30:11 -04:00
parent f2a8f6d2cf
commit 7daa333a71
3 changed files with 96 additions and 96 deletions
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code/8086/encoder.h
+56 -56
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@@ -549,42 +549,42 @@ enum {
X8616_OPCODE_DW_W_SHIFT = 0,
X8616_OPCODE_DW_D_SHIFT = 1,
X8616_OPCODE_DW_PREFIX_SHIFT = X8616_OPCODE_DW_D_SHIFT + 1,
X8616_OPCODE_DW_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_DW_PREFIX_SHIFT),
X8616_OPCODE_DW_HOLE = X8616_OPCODE_DW_D_SHIFT + 1,
X8616_OPCODE_DW_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_DW_HOLE),
// ... s w
X8616_OPCODE_SW_W_SHIFT = 0,
X8616_OPCODE_SW_S_SHIFT = 1,
X8616_OPCODE_SW_PREFIX_SHIFT = X8616_OPCODE_SW_S_SHIFT + 1,
X8616_OPCODE_SW_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_SW_PREFIX_SHIFT),
X8616_OPCODE_SW_HOLE = X8616_OPCODE_SW_S_SHIFT + 1,
X8616_OPCODE_SW_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_SW_HOLE),
// ... v w
X8616_OPCODE_VW_W_SHIFT = 0,
X8616_OPCODE_VW_V_SHIFT = 1,
X8616_OPCODE_VW_PREFIX_SHIFT = X8616_OPCODE_VW_V_SHIFT + 1,
X8616_OPCODE_VW_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_VW_PREFIX_SHIFT),
X8616_OPCODE_VW_HOLE = X8616_OPCODE_VW_V_SHIFT + 1,
X8616_OPCODE_VW_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_VW_HOLE),
// ... z
X8616_OPCODE_Z_Z_SHIFT = 0,
X8616_OPCODE_Z_PREFIX_SHIFT = X8616_OPCODE_Z_Z_SHIFT + 1,
X8616_OPCODE_Z_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_Z_PREFIX_SHIFT),
X8616_OPCODE_Z_HOLE = X8616_OPCODE_Z_Z_SHIFT + 1,
X8616_OPCODE_Z_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_Z_HOLE),
// ... w
X8616_OPCODE_W_W_SHIFT = 0,
X8616_OPCODE_W_PREFIX_SHIFT = X8616_OPCODE_W_W_SHIFT + 1,
X8616_OPCODE_W_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_W_PREFIX_SHIFT),
X8616_OPCODE_W_HOLE = X8616_OPCODE_W_W_SHIFT + 1,
X8616_OPCODE_W_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_W_HOLE),
// ... reg
X8616_OPCODE_REG_REG_SHIFT = 0,
X8616_OPCODE_REG_REG_WIDTH = 3,
X8616_OPCODE_REG_REG_MASK = x8616_field_mask(X8616_OPCODE_REG_REG_SHIFT, X8616_OPCODE_REG_REG_WIDTH),
X8616_OPCODE_REG_PREFIX_SHIFT = X8616_OPCODE_REG_REG_SHIFT + X8616_OPCODE_REG_REG_WIDTH,
X8616_OPCODE_REG_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_REG_PREFIX_SHIFT),
X8616_OPCODE_REG_HOLE = X8616_OPCODE_REG_REG_SHIFT + X8616_OPCODE_REG_REG_WIDTH,
X8616_OPCODE_REG_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_REG_HOLE),
// ... w reg
@@ -593,14 +593,14 @@ enum {
X8616_OPCODE_WREG_REG_MASK = x8616_field_mask(X8616_OPCODE_WREG_REG_SHIFT, X8616_OPCODE_WREG_REG_WIDTH),
X8616_OPCODE_WREG_W_SHIFT = X8616_OPCODE_WREG_REG_SHIFT + X8616_OPCODE_WREG_REG_WIDTH,
X8616_OPCODE_WREG_W_MASK = x8616_field_mask(X8616_OPCODE_WREG_W_SHIFT, 1),
X8616_OPCODE_WREG_PREFIX_SHIFT = X8616_OPCODE_WREG_W_SHIFT + 1,
X8616_OPCODE_WREG_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_WREG_PREFIX_SHIFT),
X8616_OPCODE_WREG_HOLE = X8616_OPCODE_WREG_W_SHIFT + 1,
X8616_OPCODE_WREG_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_WREG_HOLE),
// ... d 0 (bit 0 fixed, bit 1 = d, bits 7-2 = stem)
X8616_OPCODE_D0_D_SHIFT = 1,
X8616_OPCODE_D0_PREFIX_SHIFT = X8616_OPCODE_D0_D_SHIFT + 1,
X8616_OPCODE_D0_PREFIX_MASK = x8616_header_opcode_mask(X8616_OPCODE_D0_PREFIX_SHIFT) | x8616_field_mask(0, 1),
X8616_OPCODE_D0_HOLE = X8616_OPCODE_D0_D_SHIFT + 1,
X8616_OPCODE_D0_OPCODE_MASK = x8616_header_opcode_mask(X8616_OPCODE_D0_HOLE) | x8616_field_mask(0, 1),
// class(3) | sr(2) | low(3)
@@ -618,7 +618,7 @@ enum {
X8616_OPCODE_CC_SHIFT = 0,
X8616_OPCODE_CC_WIDTH = 4,
X8616_OPCODE_CC_MASK = x8616_field_mask(X8616_OPCODE_CC_SHIFT, X8616_OPCODE_CC_WIDTH),
X8616_OPCODE_CC_PREFIX_SHIFT = X8616_OPCODE_CC_WIDTH,
X8616_OPCODE_CC_HOLE = X8616_OPCODE_CC_WIDTH,
// 00 ttt ...
@@ -635,16 +635,16 @@ enum {
X8616_OPCODE_PAIR_SHIFT = 3,
X8616_OPCODE_PAIR_WIDTH = 1,
X8616_OPCODE_PAIR_REG_PREFIX_SHIFT = X8616_OPCODE_PAIR_SHIFT + X8616_OPCODE_PAIR_WIDTH,
X8616_OPCODE_PAIR_REG_HOLE = X8616_OPCODE_PAIR_SHIFT + X8616_OPCODE_PAIR_WIDTH,
X8616_OPCODE_IO_CLASS = 0b1110,
X8616_OPCODE_IO_CLASS_SHIFT = 4,
X8616_OPCODE_IO_DX_SHIFT = 3,
X8616_OPCODE_IO_FIXED_SHIFT = 2,
X8616_OPCODE_IO_OUT_SHIFT = 1,
X8616_OPCODE_IO_FIXED_FORM = 0b10,
X8616_OPCODE_IO_CLASS_STEM_SHIFT = X8616_OPCODE_IO_CLASS_SHIFT - X8616_OPCODE_W_PREFIX_SHIFT,
X8616_OPCODE_IO_DX_STEM_SHIFT = X8616_OPCODE_IO_DX_SHIFT - X8616_OPCODE_W_PREFIX_SHIFT,
X8616_OPCODE_IO_OUT_STEM_SHIFT = X8616_OPCODE_IO_OUT_SHIFT - X8616_OPCODE_W_PREFIX_SHIFT,
X8616_OPCODE_IO_CLASS_STEM_SHIFT = X8616_OPCODE_IO_CLASS_SHIFT - X8616_OPCODE_W_HOLE,
X8616_OPCODE_IO_DX_STEM_SHIFT = X8616_OPCODE_IO_DX_SHIFT - X8616_OPCODE_W_HOLE,
X8616_OPCODE_IO_OUT_STEM_SHIFT = X8616_OPCODE_IO_OUT_SHIFT - X8616_OPCODE_W_HOLE,
};
// ============================================================================
@@ -674,14 +674,14 @@ FI_ U1 x8616_modrm_sr (U1 modrm) { return (
// Byte fields
#define x8616_enc_dw_prefix(prefix) ((prefix) << X8616_OPCODE_DW_PREFIX_SHIFT)
#define x8616_enc_sw_prefix(prefix) ((prefix) << X8616_OPCODE_SW_PREFIX_SHIFT)
#define x8616_enc_vw_prefix(prefix) ((prefix) << X8616_OPCODE_VW_PREFIX_SHIFT)
#define x8616_enc_z_prefix(prefix) ((prefix) << X8616_OPCODE_Z_PREFIX_SHIFT)
#define x8616_enc_w_prefix(prefix) ((prefix) << X8616_OPCODE_W_PREFIX_SHIFT)
#define x8616_enc_reg_prefix(prefix) ((prefix) << X8616_OPCODE_REG_PREFIX_SHIFT)
#define x8616_enc_wreg_prefix(prefix) ((prefix) << X8616_OPCODE_WREG_PREFIX_SHIFT)
#define x8616_enc_d0_prefix(prefix) ((prefix) << X8616_OPCODE_D0_PREFIX_SHIFT)
#define x8616_enc_dw_opcode(opcode) ((opcode) << X8616_OPCODE_DW_HOLE)
#define x8616_enc_sw_opcode(opcode) ((opcode) << X8616_OPCODE_SW_HOLE)
#define x8616_enc_vw_opcode(opcode) ((opcode) << X8616_OPCODE_VW_HOLE)
#define x8616_enc_z_opcode(opcode) ((opcode) << X8616_OPCODE_Z_HOLE)
#define x8616_enc_w_opcode(opcode) ((opcode) << X8616_OPCODE_W_HOLE)
#define x8616_enc_reg_opcode(opcode) ((opcode) << X8616_OPCODE_REG_HOLE)
#define x8616_enc_wreg_opcode(opcode) ((opcode) << X8616_OPCODE_WREG_HOLE)
#define x8616_enc_d0_opcode(opcode) ((opcode) << X8616_OPCODE_D0_HOLE)
#define x8616_enc_d(d) ((d) << X8616_OPCODE_DW_D_SHIFT)
#define x8616_enc_s(s) ((s) << X8616_OPCODE_SW_S_SHIFT)
@@ -698,22 +698,22 @@ FI_ U1 x8616_modrm_sr (U1 modrm) { return (
#define x8616_enc_modrm_rm(rm) ((rm) << X8616_MODRM_RM_SHIFT)
#define x8616_enc_modrm_sr(sr) ((sr) << X8616_MODRM_SR_SHIFT)
#define x8616_enc_dw(prefix,d,w) C_(U1, x8616_enc_dw_prefix(prefix) | x8616_enc_d(d) | x8616_enc_width(w))
#define x8616_enc_sw(prefix,s,w) C_(U1, x8616_enc_sw_prefix(prefix) | x8616_enc_s(s) | x8616_enc_width(w))
#define x8616_enc_vw(prefix,v,w) C_(U1, x8616_enc_vw_prefix(prefix) | x8616_enc_v(v) | x8616_enc_width(w))
#define x8616_enc_zp(prefix,z) C_(U1, x8616_enc_z_prefix(prefix) | x8616_enc_z(z))
#define x8616_enc_w(prefix,w) C_(U1, x8616_enc_w_prefix(prefix) | x8616_enc_width(w))
#define x8616_enc_reg(prefix,reg) C_(U1, x8616_enc_reg_prefix(prefix) | x8616_enc_opcode_reg(reg))
#define x8616_enc_wreg(prefix,w,reg) C_(U1, x8616_enc_wreg_prefix(prefix) | x8616_enc_wreg_width(w) | x8616_enc_opcode_reg(reg))
#define x8616_enc_d0(prefix,d) C_(U1, x8616_enc_d0_prefix(prefix) | x8616_enc_d(d))
#define x8616_enc_dw(opcode,d,w) C_(U1, x8616_enc_dw_opcode(opcode) | x8616_enc_d(d) | x8616_enc_width(w))
#define x8616_enc_sw(opcode,s,w) C_(U1, x8616_enc_sw_opcode(opcode) | x8616_enc_s(s) | x8616_enc_width(w))
#define x8616_enc_vw(opcode,v,w) C_(U1, x8616_enc_vw_opcode(opcode) | x8616_enc_v(v) | x8616_enc_width(w))
#define x8616_enc_zp(opcode,z) C_(U1, x8616_enc_z_opcode(opcode) | x8616_enc_z(z))
#define x8616_enc_w(opcode,w) C_(U1, x8616_enc_w_opcode(opcode) | x8616_enc_width(w))
#define x8616_enc_reg(opcode,reg) C_(U1, x8616_enc_reg_opcode(opcode) | x8616_enc_opcode_reg(reg))
#define x8616_enc_wreg(opcode,w,reg) C_(U1, x8616_enc_wreg_opcode(opcode) | x8616_enc_wreg_width(w) | x8616_enc_opcode_reg(reg))
#define x8616_enc_d0(opcode,d) C_(U1, x8616_enc_d0_opcode(opcode) | x8616_enc_d(d))
#define x8616_enc_sr(class,sr,low) C_(U1, ((class) << X8616_OPCODE_SR_CLASS_SHIFT) | x8616_enc_opcode_sr(sr) | (low))
#define x8616_enc_jcc(cc) C_(U1, (x8616_opcode_jcc << X8616_OPCODE_CC_PREFIX_SHIFT) | x8616_enc_cc(cc))
#define x8616_enc_jcc(cc) C_(U1, (x8616_opcode_jcc << X8616_OPCODE_CC_HOLE) | x8616_enc_cc(cc))
#define x8616_enc_modrm(mod,reg,rm) C_(U1, x8616_enc_modrm_mod(mod) | x8616_enc_modrm_reg(reg) | x8616_enc_modrm_rm(rm))
#define x8616_enc_modrm_seg(mod,sr,rm) C_(U1, x8616_enc_modrm_mod(mod) | x8616_enc_modrm_sr(sr) | x8616_enc_modrm_rm(rm))
#define x8616_header_w(opcode,w) ((X8616_BytePattern){ x8616_enc_w((opcode), (w)), X8616_BYTE_MASK })
#define x8616_header_sr(class,low) ((X8616_BytePattern){ u1_(((class) << X8616_OPCODE_SR_CLASS_SHIFT) | (low)), X8616_OPCODE_SR_PATTERN_MASK })
#define x8616_header_d0(opcode) ((X8616_BytePattern){ u1_((opcode) << X8616_OPCODE_D0_PREFIX_SHIFT), X8616_OPCODE_D0_PREFIX_MASK })
#define x8616_header_d0(opcode) ((X8616_BytePattern){ u1_((opcode) << X8616_OPCODE_D0_HOLE), X8616_OPCODE_D0_OPCODE_MASK })
#define x8616_enc_alu_class() (X8616_OPCODE_ALU_CLASS << X8616_OPCODE_ALU_CLASS_SHIFT)
#define x8616_enc_alu_ttt(ttt) ((ttt) << X8616_OPCODE_ALU_TTT_SHIFT)
@@ -724,7 +724,7 @@ FI_ U1 x8616_modrm_sr (U1 modrm) { return (
#define x8616_enc_io_dx(dx) ((dx) << X8616_OPCODE_IO_DX_STEM_SHIFT)
#define x8616_enc_io_out(out) ((out) << X8616_OPCODE_IO_OUT_STEM_SHIFT)
#define x8616_enc_io_stem(dx, out) (x8616_enc_io_class() | x8616_enc_io_dx(dx) | X8616_OPCODE_IO_FIXED_FORM | x8616_enc_io_out(out))
#define x8616_enc_io(dx, out, w) C_(U1, (x8616_enc_io_stem(dx, out) << X8616_OPCODE_W_PREFIX_SHIFT) | x8616_enc_width(w))
#define x8616_enc_io(dx, out, w) C_(U1, (x8616_enc_io_stem(dx, out) << X8616_OPCODE_W_HOLE) | x8616_enc_width(w))
#define x8616_enc_pair(bit) ((bit) << X8616_OPCODE_PAIR_SHIFT)
// Scalar / generic packets
@@ -749,24 +749,24 @@ FI_ U1 x8616_modrm_sr (U1 modrm) { return (
// r/m + register / immediate packets
#define x8616_emit_rm_r(prefix,d,w,mod,reg,rm) x8616_enc_dw (prefix,d,w), x8616_enc_modrm(mod,reg,rm)
#define x8616_emit_rm_r_d8(prefix,d,w,reg,rm,disp) x8616_emit_rm_r(prefix,d,w,x8616_mod_mem_d8, reg,rm), u1_(disp)
#define x8616_emit_rm_r_d16(prefix,d,w,reg,rm,disp) x8616_emit_rm_r(prefix,d,w,x8616_mod_mem_d16,reg,rm), x8616_emit_s2(disp)
#define x8616_emit_rm_r_direct(prefix,d,w,reg,addr) x8616_emit_rm_r(prefix,d,w,x8616_mod_mem,reg,x8616_ea_direct), x8616_emit_u2(addr)
#define x8616_emit_rm_r(opcode,d,w,mod,reg,rm) x8616_enc_dw (opcode,d,w), x8616_enc_modrm(mod,reg,rm)
#define x8616_emit_rm_r_d8(opcode,d,w,reg,rm,disp) x8616_emit_rm_r(opcode,d,w,x8616_mod_mem_d8, reg,rm), u1_(disp)
#define x8616_emit_rm_r_d16(opcode,d,w,reg,rm,disp) x8616_emit_rm_r(opcode,d,w,x8616_mod_mem_d16,reg,rm), x8616_emit_s2(disp)
#define x8616_emit_rm_r_direct(opcode,d,w,reg,addr) x8616_emit_rm_r(opcode,d,w,x8616_mod_mem,reg,x8616_ea_direct), x8616_emit_u2(addr)
#define x8616_emit_rm_i8_w(prefix,ext,mod,rm,imm) x8616_enc_w(prefix,x8616_w_byte), x8616_enc_modrm(mod,ext,rm), u1_(imm)
#define x8616_emit_rm_i16_w(prefix,ext,mod,rm,imm) x8616_enc_w(prefix,x8616_w_word), x8616_enc_modrm(mod,ext,rm), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_w_d8(prefix,ext,rm,disp,imm) x8616_enc_w(prefix,x8616_w_byte), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), u1_(imm)
#define x8616_emit_rm_i16_w_d8(prefix,ext,rm,disp,imm) x8616_enc_w(prefix,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_w_d16(prefix,ext,rm,disp,imm) x8616_enc_w(prefix,x8616_w_byte), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), u1_(imm)
#define x8616_emit_rm_i16_w_d16(prefix,ext,rm,disp,imm) x8616_enc_w(prefix,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_w(opcode,ext,mod,rm,imm) x8616_enc_w(opcode,x8616_w_byte), x8616_enc_modrm(mod,ext,rm), u1_(imm)
#define x8616_emit_rm_i16_w(opcode,ext,mod,rm,imm) x8616_enc_w(opcode,x8616_w_word), x8616_enc_modrm(mod,ext,rm), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_w_d8(opcode,ext,rm,disp,imm) x8616_enc_w(opcode,x8616_w_byte), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), u1_(imm)
#define x8616_emit_rm_i16_w_d8(opcode,ext,rm,disp,imm) x8616_enc_w(opcode,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_w_d16(opcode,ext,rm,disp,imm) x8616_enc_w(opcode,x8616_w_byte), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), u1_(imm)
#define x8616_emit_rm_i16_w_d16(opcode,ext,rm,disp,imm) x8616_enc_w(opcode,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8(prefix,s,w,ext,mod,rm,imm) x8616_enc_sw(prefix,s,w), x8616_enc_modrm(mod,ext,rm), u1_(imm)
#define x8616_emit_rm_i16(prefix,ext,mod,rm,imm) x8616_enc_sw(prefix,x8616_s_full,x8616_w_word), x8616_enc_modrm(mod,ext,rm), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_d8(prefix,s,w,ext,rm,disp,imm) x8616_enc_sw(prefix,s,w), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), u1_(imm)
#define x8616_emit_rm_i16_d8(prefix,ext,rm,disp,imm) x8616_enc_sw(prefix,x8616_s_full,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_d16(prefix,s,w,ext,rm,disp,imm) x8616_enc_sw(prefix,s,w), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), u1_(imm)
#define x8616_emit_rm_i16_d16(prefix,ext,rm,disp,imm) x8616_enc_sw(prefix,x8616_s_full,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8(opcode,s,w,ext,mod,rm,imm) x8616_enc_sw(opcode,s,w), x8616_enc_modrm(mod,ext,rm), u1_(imm)
#define x8616_emit_rm_i16(opcode,ext,mod,rm,imm) x8616_enc_sw(opcode,x8616_s_full,x8616_w_word), x8616_enc_modrm(mod,ext,rm), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_d8(opcode,s,w,ext,rm,disp,imm) x8616_enc_sw(opcode,s,w), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), u1_(imm)
#define x8616_emit_rm_i16_d8(opcode,ext,rm,disp,imm) x8616_enc_sw(opcode,x8616_s_full,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d8,ext,rm), u1_(disp), x8616_emit_u2(imm)
#define x8616_emit_rm_i8_d16(opcode,s,w,ext,rm,disp,imm) x8616_enc_sw(opcode,s,w), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), u1_(imm)
#define x8616_emit_rm_i16_d16(opcode,ext,rm,disp,imm) x8616_enc_sw(opcode,x8616_s_full,x8616_w_word), x8616_enc_modrm(x8616_mod_mem_d16,ext,rm), x8616_emit_s2(disp), x8616_emit_u2(imm)
// Segment-register packet