From db8e56dc1399e3bdf7f3c7417a5644002005e62f Mon Sep 17 00:00:00 2001 From: Ken Raeburn Date: Mon, 10 Jul 1995 20:54:42 +0000 Subject: split cpu-specific documentation out to separate files --- gas/doc/.Sanitize | 12 ++ gas/doc/c-a29k.texi | 178 +++++++++++++++++++++++++++ gas/doc/c-h8300.texi | 341 +++++++++++++++++++++++++++++++++++++++++++++++++++ gas/doc/c-h8500.texi | 272 ++++++++++++++++++++++++++++++++++++++++ gas/doc/c-sh.texi | 265 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 1068 insertions(+) create mode 100644 gas/doc/c-a29k.texi create mode 100644 gas/doc/c-h8300.texi create mode 100644 gas/doc/c-h8500.texi create mode 100644 gas/doc/c-sh.texi (limited to 'gas') diff --git a/gas/doc/.Sanitize b/gas/doc/.Sanitize index 3a44f6d..1a5c41c 100644 --- a/gas/doc/.Sanitize +++ b/gas/doc/.Sanitize @@ -29,6 +29,18 @@ configure.in all.texi as.1 as.texinfo +c-a29k.texi +c-h8300.texi +c-h8500.texi +c-hppa.texi +c-i386.texi +c-i960.texi +c-m68k.texi +c-mips.texi +c-sh.texi +c-sparc.texi +c-vax.texi +c-z8k.texi gasp.texi h8.texi internals.texi diff --git a/gas/doc/c-a29k.texi b/gas/doc/c-a29k.texi new file mode 100644 index 0000000..1e5383b --- /dev/null +++ b/gas/doc/c-a29k.texi @@ -0,0 +1,178 @@ +@c Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +@c This is part of the GAS manual. +@c For copying conditions, see the file as.texinfo. +@ifset GENERIC +@page +@node AMD29K-Dependent +@chapter AMD 29K Dependent Features +@end ifset +@ifclear GENERIC +@node Machine Dependencies +@chapter AMD 29K Dependent Features +@end ifclear + +@cindex AMD 29K support +@cindex 29K support +@menu +* AMD29K Options:: Options +* AMD29K Syntax:: Syntax +* AMD29K Floating Point:: Floating Point +* AMD29K Directives:: AMD 29K Machine Directives +* AMD29K Opcodes:: Opcodes +@end menu + +@node AMD29K Options +@section Options +@cindex AMD 29K options (none) +@cindex options for AMD29K (none) +@code{@value{AS}} has no additional command-line options for the AMD +29K family. + +@node AMD29K Syntax +@section Syntax +@menu +* AMD29K-Chars:: Special Characters +* AMD29K-Regs:: Register Names +@end menu + +@node AMD29K-Chars +@subsection Special Characters + +@cindex line comment character, AMD 29K +@cindex AMD 29K line comment character +@samp{;} is the line comment character. + +@cindex line separator, AMD 29K +@cindex AMD 29K line separator +@cindex statement separator, AMD 29K +@cindex AMD 29K statement separator +@samp{@@} can be used instead of a newline to separate statements. + +@cindex identifiers, AMD 29K +@cindex AMD 29K identifiers +The character @samp{?} is permitted in identifiers (but may not begin +an identifier). + +@node AMD29K-Regs +@subsection Register Names + +@cindex AMD 29K register names +@cindex register names, AMD 29K +General-purpose registers are represented by predefined symbols of the +form @samp{GR@var{nnn}} (for global registers) or @samp{LR@var{nnn}} +(for local registers), where @var{nnn} represents a number between +@code{0} and @code{127}, written with no leading zeros. The leading +letters may be in either upper or lower case; for example, @samp{gr13} +and @samp{LR7} are both valid register names. + +You may also refer to general-purpose registers by specifying the +register number as the result of an expression (prefixed with @samp{%%} +to flag the expression as a register number): +@smallexample +%%@var{expression} +@end smallexample +@noindent +---where @var{expression} must be an absolute expression evaluating to a +number between @code{0} and @code{255}. The range [0, 127] refers to +global registers, and the range [128, 255] to local registers. + +@cindex special purpose registers, AMD 29K +@cindex AMD 29K special purpose registers +@cindex protected registers, AMD 29K +@cindex AMD 29K protected registers +In addition, @code{@value{AS}} understands the following protected +special-purpose register names for the AMD 29K family: + +@smallexample + vab chd pc0 + ops chc pc1 + cps rbp pc2 + cfg tmc mmu + cha tmr lru +@end smallexample + +These unprotected special-purpose register names are also recognized: +@smallexample + ipc alu fpe + ipa bp inte + ipb fc fps + q cr exop +@end smallexample + +@node AMD29K Floating Point +@section Floating Point + +@cindex floating point, AMD 29K (@sc{ieee}) +@cindex AMD 29K floating point (@sc{ieee}) +The AMD 29K family uses @sc{ieee} floating-point numbers. + +@node AMD29K Directives +@section AMD 29K Machine Directives + +@cindex machine directives, AMD 29K +@cindex AMD 29K machine directives +@table @code +@item .block @var{size} , @var{fill} +@cindex @code{block} directive, AMD 29K +This directive emits @var{size} bytes, each of value @var{fill}. Both +@var{size} and @var{fill} are absolute expressions. If the comma +and @var{fill} are omitted, @var{fill} is assumed to be zero. + +In other versions of the @sc{gnu} assembler, this directive is called +@samp{.space}. +@end table + +@table @code +@item .cputype +@cindex @code{cputype} directive, AMD 29K +This directive is ignored; it is accepted for compatibility with other +AMD 29K assemblers. + +@item .file +@cindex @code{file} directive, AMD 29K +This directive is ignored; it is accepted for compatibility with other +AMD 29K assemblers. + +@quotation +@emph{Warning:} in other versions of the @sc{gnu} assembler, @code{.file} is +used for the directive called @code{.app-file} in the AMD 29K support. +@end quotation + +@item .line +@cindex @code{line} directive, AMD 29K +This directive is ignored; it is accepted for compatibility with other +AMD 29K assemblers. + +@ignore +@c since we're ignoring .lsym... +@item .reg @var{symbol}, @var{expression} +@cindex @code{reg} directive, AMD 29K +@code{.reg} has the same effect as @code{.lsym}; @pxref{Lsym,,@code{.lsym}}. +@end ignore + +@item .sect +@cindex @code{sect} directive, AMD 29K +This directive is ignored; it is accepted for compatibility with other +AMD 29K assemblers. + +@item .use @var{section name} +@cindex @code{use} directive, AMD 29K +Establishes the section and subsection for the following code; +@var{section name} may be one of @code{.text}, @code{.data}, +@code{.data1}, or @code{.lit}. With one of the first three @var{section +name} options, @samp{.use} is equivalent to the machine directive +@var{section name}; the remaining case, @samp{.use .lit}, is the same as +@samp{.data 200}. +@end table + +@node AMD29K Opcodes +@section Opcodes + +@cindex AMD 29K opcodes +@cindex opcodes for AMD 29K +@code{@value{AS}} implements all the standard AMD 29K opcodes. No +additional pseudo-instructions are needed on this family. + +For information on the 29K machine instruction set, see @cite{Am29000 +User's Manual}, Advanced Micro Devices, Inc. + diff --git a/gas/doc/c-h8300.texi b/gas/doc/c-h8300.texi new file mode 100644 index 0000000..0c1e808 --- /dev/null +++ b/gas/doc/c-h8300.texi @@ -0,0 +1,341 @@ +@c Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +@c This is part of the GAS manual. +@c For copying conditions, see the file as.texinfo. +@ifset GENERIC +@page +@end ifset +@node H8/300-Dependent +@chapter H8/300 Dependent Features + +@cindex H8/300 support +@menu +* H8/300 Options:: Options +* H8/300 Syntax:: Syntax +* H8/300 Floating Point:: Floating Point +* H8/300 Directives:: H8/300 Machine Directives +* H8/300 Opcodes:: Opcodes +@end menu + +@node H8/300 Options +@section Options + +@cindex H8/300 options (none) +@cindex options, H8/300 (none) +@code{@value{AS}} has no additional command-line options for the Hitachi +H8/300 family. + +@node H8/300 Syntax +@section Syntax +@menu +* H8/300-Chars:: Special Characters +* H8/300-Regs:: Register Names +* H8/300-Addressing:: Addressing Modes +@end menu + +@node H8/300-Chars +@subsection Special Characters + +@cindex line comment character, H8/300 +@cindex H8/300 line comment character +@samp{;} is the line comment character. + +@cindex line separator, H8/300 +@cindex statement separator, H8/300 +@cindex H8/300 line separator +@samp{$} can be used instead of a newline to separate statements. +Therefore @emph{you may not use @samp{$} in symbol names} on the H8/300. + +@node H8/300-Regs +@subsection Register Names + +@cindex H8/300 registers +@cindex register names, H8/300 +You can use predefined symbols of the form @samp{r@var{n}h} and +@samp{r@var{n}l} to refer to the H8/300 registers as sixteen 8-bit +general-purpose registers. @var{n} is a digit from @samp{0} to +@samp{7}); for instance, both @samp{r0h} and @samp{r7l} are valid +register names. + +You can also use the eight predefined symbols @samp{r@var{n}} to refer +to the H8/300 registers as 16-bit registers (you must use this form for +addressing). + +On the H8/300H, you can also use the eight predefined symbols +@samp{er@var{n}} (@samp{er0} @dots{} @samp{er7}) to refer to the 32-bit +general purpose registers. + +The two control registers are called @code{pc} (program counter; a +16-bit register, except on the H8/300H where it is 24 bits) and +@code{ccr} (condition code register; an 8-bit register). @code{r7} is +used as the stack pointer, and can also be called @code{sp}. + +@node H8/300-Addressing +@subsection Addressing Modes + +@cindex addressing modes, H8/300 +@cindex H8/300 addressing modes +@value{AS} understands the following addressing modes for the H8/300: +@table @code +@item r@var{n} +Register direct + +@item @@r@var{n} +Register indirect + +@item @@(@var{d}, r@var{n}) +@itemx @@(@var{d}:16, r@var{n}) +@itemx @@(@var{d}:24, r@var{n}) +Register indirect: 16-bit or 24-bit displacement @var{d} from register +@var{n}. (24-bit displacements are only meaningful on the H8/300H.) + +@item @@r@var{n}+ +Register indirect with post-increment + +@item @@-r@var{n} +Register indirect with pre-decrement + +@item @code{@@}@var{aa} +@itemx @code{@@}@var{aa}:8 +@itemx @code{@@}@var{aa}:16 +@itemx @code{@@}@var{aa}:24 +Absolute address @code{aa}. (The address size @samp{:24} only makes +sense on the H8/300H.) + +@item #@var{xx} +@itemx #@var{xx}:8 +@itemx #@var{xx}:16 +@itemx #@var{xx}:32 +Immediate data @var{xx}. You may specify the @samp{:8}, @samp{:16}, or +@samp{:32} for clarity, if you wish; but @code{@value{AS}} neither +requires this nor uses it---the data size required is taken from +context. + +@item @code{@@}@code{@@}@var{aa} +@itemx @code{@@}@code{@@}@var{aa}:8 +Memory indirect. You may specify the @samp{:8} for clarity, if you +wish; but @code{@value{AS}} neither requires this nor uses it. +@end table + +@node H8/300 Floating Point +@section Floating Point + +@cindex floating point, H8/300 (@sc{ieee}) +@cindex H8/300 floating point (@sc{ieee}) +The H8/300 family has no hardware floating point, but the @code{.float} +directive generates @sc{ieee} floating-point numbers for compatibility +with other development tools. + +@page +@node H8/300 Directives +@section H8/300 Machine Directives + +@cindex H8/300 machine directives (none) +@cindex machine directives, H8/300 (none) +@cindex @code{word} directive, H8/300 +@cindex @code{int} directive, H8/300 +@code{@value{AS}} has only one machine-dependent directive for the +H8/300: + +@table @code +@cindex H8/300H, assembling for +@item .h8300h +Recognize and emit additional instructions for the H8/300H variant, and +also make @code{.int} emit 32-bit numbers rather than the usual (16-bit) +for the H8/300 family. +@end table + +On the H8/300 family (including the H8/300H) @samp{.word} directives +generate 16-bit numbers. + +@node H8/300 Opcodes +@section Opcodes + +@cindex H8/300 opcode summary +@cindex opcode summary, H8/300 +@cindex mnemonics, H8/300 +@cindex instruction summary, H8/300 +For detailed information on the H8/300 machine instruction set, see +@cite{H8/300 Series Programming Manual} (Hitachi ADE--602--025). For +information specific to the H8/300H, see @cite{H8/300H Series +Programming Manual} (Hitachi). + +@code{@value{AS}} implements all the standard H8/300 opcodes. No additional +pseudo-instructions are needed on this family. + +@ifset SMALL +@c this table, due to the multi-col faking and hardcoded order, looks silly +@c except in smallbook. See comments below "@set SMALL" near top of this file. + +The following table summarizes the H8/300 opcodes, and their arguments. +Entries marked @samp{*} are opcodes used only on the H8/300H. + +@smallexample +@c Using @group seems to use the normal baselineskip, not the smallexample +@c baselineskip; looks approx doublespaced. + @i{Legend:} + Rs @r{source register} + Rd @r{destination register} + abs @r{absolute address} + imm @r{immediate data} + disp:N @r{N-bit displacement from a register} + pcrel:N @r{N-bit displacement relative to program counter} + + add.b #imm,rd * andc #imm,ccr + add.b rs,rd band #imm,rd + add.w rs,rd band #imm,@@rd +* add.w #imm,rd band #imm,@@abs:8 +* add.l rs,rd bra pcrel:8 +* add.l #imm,rd * bra pcrel:16 + adds #imm,rd bt pcrel:8 + addx #imm,rd * bt pcrel:16 + addx rs,rd brn pcrel:8 + and.b #imm,rd * brn pcrel:16 + and.b rs,rd bf pcrel:8 +* and.w rs,rd * bf pcrel:16 +* and.w #imm,rd bhi pcrel:8 +* and.l #imm,rd * bhi pcrel:16 +* and.l rs,rd bls pcrel:8 +@page +* bls pcrel:16 bld #imm,rd + bcc pcrel:8 bld #imm,@@rd +* bcc pcrel:16 bld #imm,@@abs:8 + bhs pcrel:8 bnot #imm,rd +* bhs pcrel:16 bnot #imm,@@rd + bcs pcrel:8 bnot #imm,@@abs:8 +* bcs pcrel:16 bnot rs,rd + blo pcrel:8 bnot rs,@@rd +* blo pcrel:16 bnot rs,@@abs:8 + bne pcrel:8 bor #imm,rd +* bne pcrel:16 bor #imm,@@rd + beq pcrel:8 bor #imm,@@abs:8 +* beq pcrel:16 bset #imm,rd + bvc pcrel:8 bset #imm,@@rd +* bvc pcrel:16 bset #imm,@@abs:8 + bvs pcrel:8 bset rs,rd +* bvs pcrel:16 bset rs,@@rd + bpl pcrel:8 bset rs,@@abs:8 +* bpl pcrel:16 bsr pcrel:8 + bmi pcrel:8 bsr pcrel:16 +* bmi pcrel:16 bst #imm,rd + bge pcrel:8 bst #imm,@@rd +* bge pcrel:16 bst #imm,@@abs:8 + blt pcrel:8 btst #imm,rd +* blt pcrel:16 btst #imm,@@rd + bgt pcrel:8 btst #imm,@@abs:8 +* bgt pcrel:16 btst rs,rd + ble pcrel:8 btst rs,@@rd +* ble pcrel:16 btst rs,@@abs:8 + bclr #imm,rd bxor #imm,rd + bclr #imm,@@rd bxor #imm,@@rd + bclr #imm,@@abs:8 bxor #imm,@@abs:8 + bclr rs,rd cmp.b #imm,rd + bclr rs,@@rd cmp.b rs,rd + bclr rs,@@abs:8 cmp.w rs,rd + biand #imm,rd cmp.w rs,rd + biand #imm,@@rd * cmp.w #imm,rd + biand #imm,@@abs:8 * cmp.l #imm,rd + bild #imm,rd * cmp.l rs,rd + bild #imm,@@rd daa rs + bild #imm,@@abs:8 das rs + bior #imm,rd dec.b rs + bior #imm,@@rd * dec.w #imm,rd + bior #imm,@@abs:8 * dec.l #imm,rd + bist #imm,rd divxu.b rs,rd + bist #imm,@@rd * divxu.w rs,rd + bist #imm,@@abs:8 * divxs.b rs,rd + bixor #imm,rd * divxs.w rs,rd + bixor #imm,@@rd eepmov + bixor #imm,@@abs:8 * eepmovw +@page +* exts.w rd mov.w rs,@@abs:16 +* exts.l rd * mov.l #imm,rd +* extu.w rd * mov.l rs,rd +* extu.l rd * mov.l @@rs,rd + inc rs * mov.l @@(disp:16,rs),rd +* inc.w #imm,rd * mov.l @@(disp:24,rs),rd +* inc.l #imm,rd * mov.l @@rs+,rd + jmp @@rs * mov.l @@abs:16,rd + jmp abs * mov.l @@abs:24,rd + jmp @@@@abs:8 * mov.l rs,@@rd + jsr @@rs * mov.l rs,@@(disp:16,rd) + jsr abs * mov.l rs,@@(disp:24,rd) + jsr @@@@abs:8 * mov.l rs,@@-rd + ldc #imm,ccr * mov.l rs,@@abs:16 + ldc rs,ccr * mov.l rs,@@abs:24 +* ldc @@abs:16,ccr movfpe @@abs:16,rd +* ldc @@abs:24,ccr movtpe rs,@@abs:16 +* ldc @@(disp:16,rs),ccr mulxu.b rs,rd +* ldc @@(disp:24,rs),ccr * mulxu.w rs,rd +* ldc @@rs+,ccr * mulxs.b rs,rd +* ldc @@rs,ccr * mulxs.w rs,rd +* mov.b @@(disp:24,rs),rd neg.b rs +* mov.b rs,@@(disp:24,rd) * neg.w rs + mov.b @@abs:16,rd * neg.l rs + mov.b rs,rd nop + mov.b @@abs:8,rd not.b rs + mov.b rs,@@abs:8 * not.w rs + mov.b rs,rd * not.l rs + mov.b #imm,rd or.b #imm,rd + mov.b @@rs,rd or.b rs,rd + mov.b @@(disp:16,rs),rd * or.w #imm,rd + mov.b @@rs+,rd * or.w rs,rd + mov.b @@abs:8,rd * or.l #imm,rd + mov.b rs,@@rd * or.l rs,rd + mov.b rs,@@(disp:16,rd) orc #imm,ccr + mov.b rs,@@-rd pop.w rs + mov.b rs,@@abs:8 * pop.l rs + mov.w rs,@@rd push.w rs +* mov.w @@(disp:24,rs),rd * push.l rs +* mov.w rs,@@(disp:24,rd) rotl.b rs +* mov.w @@abs:24,rd * rotl.w rs +* mov.w rs,@@abs:24 * rotl.l rs + mov.w rs,rd rotr.b rs + mov.w #imm,rd * rotr.w rs + mov.w @@rs,rd * rotr.l rs + mov.w @@(disp:16,rs),rd rotxl.b rs + mov.w @@rs+,rd * rotxl.w rs + mov.w @@abs:16,rd * rotxl.l rs + mov.w rs,@@(disp:16,rd) rotxr.b rs + mov.w rs,@@-rd * rotxr.w rs +@page +* rotxr.l rs * stc ccr,@@(disp:24,rd) + bpt * stc ccr,@@-rd + rte * stc ccr,@@abs:16 + rts * stc ccr,@@abs:24 + shal.b rs sub.b rs,rd +* shal.w rs sub.w rs,rd +* shal.l rs * sub.w #imm,rd + shar.b rs * sub.l rs,rd +* shar.w rs * sub.l #imm,rd +* shar.l rs subs #imm,rd + shll.b rs subx #imm,rd +* shll.w rs subx rs,rd +* shll.l rs * trapa #imm + shlr.b rs xor #imm,rd +* shlr.w rs xor rs,rd +* shlr.l rs * xor.w #imm,rd + sleep * xor.w rs,rd + stc ccr,rd * xor.l #imm,rd +* stc ccr,@@rs * xor.l rs,rd +* stc ccr,@@(disp:16,rd) xorc #imm,ccr +@end smallexample +@end ifset + +@cindex size suffixes, H8/300 +@cindex H8/300 size suffixes +Four H8/300 instructions (@code{add}, @code{cmp}, @code{mov}, +@code{sub}) are defined with variants using the suffixes @samp{.b}, +@samp{.w}, and @samp{.l} to specify the size of a memory operand. +@code{@value{AS}} supports these suffixes, but does not require them; +since one of the operands is always a register, @code{@value{AS}} can +deduce the correct size. + +For example, since @code{r0} refers to a 16-bit register, +@example +mov r0,@@foo +@exdent is equivalent to +mov.w r0,@@foo +@end example + +If you use the size suffixes, @code{@value{AS}} issues a warning when +the suffix and the register size do not match. diff --git a/gas/doc/c-h8500.texi b/gas/doc/c-h8500.texi new file mode 100644 index 0000000..10f0e64 --- /dev/null +++ b/gas/doc/c-h8500.texi @@ -0,0 +1,272 @@ +@c Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +@c This is part of the GAS manual. +@c For copying conditions, see the file as.texinfo. +@page +@node H8/500-Dependent +@chapter H8/500 Dependent Features + +@cindex H8/500 support +@menu +* H8/500 Options:: Options +* H8/500 Syntax:: Syntax +* H8/500 Floating Point:: Floating Point +* H8/500 Directives:: H8/500 Machine Directives +* H8/500 Opcodes:: Opcodes +@end menu + +@node H8/500 Options +@section Options + +@cindex H8/500 options (none) +@cindex options, H8/500 (none) +@code{@value{AS}} has no additional command-line options for the Hitachi +H8/500 family. + +@node H8/500 Syntax +@section Syntax + +@menu +* H8/500-Chars:: Special Characters +* H8/500-Regs:: Register Names +* H8/500-Addressing:: Addressing Modes +@end menu + +@node H8/500-Chars +@subsection Special Characters + +@cindex line comment character, H8/500 +@cindex H8/500 line comment character +@samp{!} is the line comment character. + +@cindex line separator, H8/500 +@cindex statement separator, H8/500 +@cindex H8/500 line separator +@samp{;} can be used instead of a newline to separate statements. + +@cindex symbol names, @samp{$} in +@cindex @code{$} in symbol names +Since @samp{$} has no special meaning, you may use it in symbol names. + +@node H8/500-Regs +@subsection Register Names + +@cindex H8/500 registers +@cindex registers, H8/500 +You can use the predefined symbols @samp{r0}, @samp{r1}, @samp{r2}, +@samp{r3}, @samp{r4}, @samp{r5}, @samp{r6}, and @samp{r7} to refer to +the H8/500 registers. + +The H8/500 also has these control registers: + +@table @code +@item cp +code pointer + +@item dp +data pointer + +@item bp +base pointer + +@item tp +stack top pointer + +@item ep +extra pointer + +@item sr +status register + +@item ccr +condition code register +@end table + +All registers are 16 bits long. To represent 32 bit numbers, use two +adjacent registers; for distant memory addresses, use one of the segment +pointers (@code{cp} for the program counter; @code{dp} for +@code{r0}--@code{r3}; @code{ep} for @code{r4} and @code{r5}; and +@code{tp} for @code{r6} and @code{r7}. + +@node H8/500-Addressing +@subsection Addressing Modes + +@cindex addressing modes, H8/500 +@cindex H8/500 addressing modes +@value{AS} understands the following addressing modes for the H8/500: +@table @code +@item R@var{n} +Register direct + +@item @@R@var{n} +Register indirect + +@item @@(d:8, R@var{n}) +Register indirect with 8 bit signed displacement + +@item @@(d:16, R@var{n}) +Register indirect with 16 bit signed displacement + +@item @@-R@var{n} +Register indirect with pre-decrement + +@item @@R@var{n}+ +Register indirect with post-increment + +@item @@@var{aa}:8 +8 bit absolute address + +@item @@@var{aa}:16 +16 bit absolute address + +@item #@var{xx}:8 +8 bit immediate + +@item #@var{xx}:16 +16 bit immediate +@end table + +@node H8/500 Floating Point +@section Floating Point + +@cindex floating point, H8/500 (@sc{ieee}) +@cindex H8/500 floating point (@sc{ieee}) +The H8/500 family has no hardware floating point, but the @code{.float} +directive generates @sc{ieee} floating-point numbers for compatibility +with other development tools. + +@node H8/500 Directives +@section H8/500 Machine Directives + +@cindex H8/500 machine directives (none) +@cindex machine directives, H8/500 (none) +@cindex @code{word} directive, H8/500 +@cindex @code{int} directive, H8/500 +@code{@value{AS}} has no machine-dependent directives for the H8/500. +However, on this platform the @samp{.int} and @samp{.word} directives +generate 16-bit numbers. + +@node H8/500 Opcodes +@section Opcodes + +@cindex H8/500 opcode summary +@cindex opcode summary, H8/500 +@cindex mnemonics, H8/500 +@cindex instruction summary, H8/500 +For detailed information on the H8/500 machine instruction set, see +@cite{H8/500 Series Programming Manual} (Hitachi M21T001). + +@code{@value{AS}} implements all the standard H8/500 opcodes. No additional +pseudo-instructions are needed on this family. + +@ifset SMALL +@c this table, due to the multi-col faking and hardcoded order, looks silly +@c except in smallbook. See comments below "@set SMALL" near top of this file. + +The following table summarizes H8/500 opcodes and their operands: + +@c Use @group if it ever works, instead of @page +@page +@smallexample +@i{Legend:} +abs8 @r{8-bit absolute address} +abs16 @r{16-bit absolute address} +abs24 @r{24-bit absolute address} +crb @r{@code{ccr}, @code{br}, @code{ep}, @code{dp}, @code{tp}, @code{dp}} +disp8 @r{8-bit displacement} +ea @r{@code{rn}, @code{@@rn}, @code{@@(d:8, rn)}, @code{@@(d:16, rn)},} + @r{@code{@@-rn}, @code{@@rn+}, @code{@@aa:8}, @code{@@aa:16},} + @r{@code{#xx:8}, @code{#xx:16}} +ea_mem @r{@code{@@rn}, @code{@@(d:8, rn)}, @code{@@(d:16, rn)},} + @r{@code{@@-rn}, @code{@@rn+}, @code{@@aa:8}, @code{@@aa:16}} +ea_noimm @r{@code{rn}, @code{@@rn}, @code{@@(d:8, rn)}, @code{@@(d:16, rn)},} + @r{@code{@@-rn}, @code{@@rn+}, @code{@@aa:8}, @code{@@aa:16}} +fp r6 +imm4 @r{4-bit immediate data} +imm8 @r{8-bit immediate data} +imm16 @r{16-bit immediate data} +pcrel8 @r{8-bit offset from program counter} +pcrel16 @r{16-bit offset from program counter} +qim @r{@code{-2}, @code{-1}, @code{1}, @code{2}} +rd @r{any register} +rs @r{a register distinct from rd} +rlist @r{comma-separated list of registers in parentheses;} + @r{register ranges @code{rd-rs} are allowed} +sp @r{stack pointer (@code{r7})} +sr @r{status register} +sz @r{size; @samp{.b} or @samp{.w}. If omitted, default @samp{.w}} + +ldc[.b] ea,crb bcc[.w] pcrel16 +ldc[.w] ea,sr bcc[.b] pcrel8 +add[:q] sz qim,ea_noimm bhs[.w] pcrel16 +add[:g] sz ea,rd bhs[.b] pcrel8 +adds sz ea,rd bcs[.w] pcrel16 +addx sz ea,rd bcs[.b] pcrel8 +and sz ea,rd blo[.w] pcrel16 +andc[.b] imm8,crb blo[.b] pcrel8 +andc[.w] imm16,sr bne[.w] pcrel16 +bpt bne[.b] pcrel8 +bra[.w] pcrel16 beq[.w] pcrel16 +bra[.b] pcrel8 beq[.b] pcrel8 +bt[.w] pcrel16 bvc[.w] pcrel16 +bt[.b] pcrel8 bvc[.b] pcrel8 +brn[.w] pcrel16 bvs[.w] pcrel16 +brn[.b] pcrel8 bvs[.b] pcrel8 +bf[.w] pcrel16 bpl[.w] pcrel16 +bf[.b] pcrel8 bpl[.b] pcrel8 +bhi[.w] pcrel16 bmi[.w] pcrel16 +bhi[.b] pcrel8 bmi[.b] pcrel8 +bls[.w] pcrel16 bge[.w] pcrel16 +bls[.b] pcrel8 bge[.b] pcrel8 +@page +blt[.w] pcrel16 mov[:g][.b] imm8,ea_mem +blt[.b] pcrel8 mov[:g][.w] imm16,ea_mem +bgt[.w] pcrel16 movfpe[.b] ea,rd +bgt[.b] pcrel8 movtpe[.b] rs,ea_noimm +ble[.w] pcrel16 mulxu sz ea,rd +ble[.b] pcrel8 neg sz ea +bclr sz imm4,ea_noimm nop +bclr sz rs,ea_noimm not sz ea +bnot sz imm4,ea_noimm or sz ea,rd +bnot sz rs,ea_noimm orc[.b] imm8,crb +bset sz imm4,ea_noimm orc[.w] imm16,sr +bset sz rs,ea_noimm pjmp abs24 +bsr[.b] pcrel8 pjmp @@rd +bsr[.w] pcrel16 pjsr abs24 +btst sz imm4,ea_noimm pjsr @@rd +btst sz rs,ea_noimm prtd imm8 +clr sz ea prtd imm16 +cmp[:e][.b] imm8,rd prts +cmp[:i][.w] imm16,rd rotl sz ea +cmp[:g].b imm8,ea_noimm rotr sz ea +cmp[:g][.w] imm16,ea_noimm rotxl sz ea +Cmp[:g] sz ea,rd rotxr sz ea +dadd rs,rd rtd imm8 +divxu sz ea,rd rtd imm16 +dsub rs,rd rts +exts[.b] rd scb/f rs,pcrel8 +extu[.b] rd scb/ne rs,pcrel8 +jmp @@rd scb/eq rs,pcrel8 +jmp @@(imm8,rd) shal sz ea +jmp @@(imm16,rd) shar sz ea +jmp abs16 shll sz ea +jsr @@rd shlr sz ea +jsr @@(imm8,rd) sleep +jsr @@(imm16,rd) stc[.b] crb,ea_noimm +jsr abs16 stc[.w] sr,ea_noimm +ldm @@sp+,(rlist) stm (rlist),@@-sp +link fp,imm8 sub sz ea,rd +link fp,imm16 subs sz ea,rd +mov[:e][.b] imm8,rd subx sz ea,rd +mov[:i][.w] imm16,rd swap[.b] rd +mov[:l][.w] abs8,rd tas[.b] ea +mov[:l].b abs8,rd trapa imm4 +mov[:s][.w] rs,abs8 trap/vs +mov[:s].b rs,abs8 tst sz ea +mov[:f][.w] @@(disp8,fp),rd unlk fp +mov[:f][.w] rs,@@(disp8,fp) xch[.w] rs,rd +mov[:f].b @@(disp8,fp),rd xor sz ea,rd +mov[:f].b rs,@@(disp8,fp) xorc.b imm8,crb +mov[:g] sz rs,ea_mem xorc.w imm16,sr +mov[:g] sz ea,rd +@end smallexample +@end ifset diff --git a/gas/doc/c-sh.texi b/gas/doc/c-sh.texi new file mode 100644 index 0000000..d7b410b --- /dev/null +++ b/gas/doc/c-sh.texi @@ -0,0 +1,265 @@ +@c Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. +@c This is part of the GAS manual. +@c For copying conditions, see the file as.texinfo. +@page +@node SH-Dependent +@chapter Hitachi SH Dependent Features + +@cindex SH support +@menu +* SH Options:: Options +* SH Syntax:: Syntax +* SH Floating Point:: Floating Point +* SH Directives:: SH Machine Directives +* SH Opcodes:: Opcodes +@end menu + +@node SH Options +@section Options + +@cindex SH options (none) +@cindex options, SH (none) +@code{@value{AS}} has no additional command-line options for the Hitachi +SH family. + +@node SH Syntax +@section Syntax + +@menu +* SH-Chars:: Special Characters +* SH-Regs:: Register Names +* SH-Addressing:: Addressing Modes +@end menu + +@node SH-Chars +@subsection Special Characters + +@cindex line comment character, SH +@cindex SH line comment character +@samp{!} is the line comment character. + +@cindex line separator, SH +@cindex statement separator, SH +@cindex SH line separator +You can use @samp{;} instead of a newline to separate statements. + +@cindex symbol names, @samp{$} in +@cindex @code{$} in symbol names +Since @samp{$} has no special meaning, you may use it in symbol names. + +@node SH-Regs +@subsection Register Names + +@cindex SH registers +@cindex registers, SH +You can use the predefined symbols @samp{r0}, @samp{r1}, @samp{r2}, +@samp{r3}, @samp{r4}, @samp{r5}, @samp{r6}, @samp{r7}, @samp{r8}, +@samp{r9}, @samp{r10}, @samp{r11}, @samp{r12}, @samp{r13}, @samp{r14}, +and @samp{r15} to refer to the SH registers. + +The SH also has these control registers: + +@table @code +@item pr +procedure register (holds return address) + +@item pc +program counter + +@item mach +@itemx macl +high and low multiply accumulator registers + +@item sr +status register + +@item gbr +global base register + +@item vbr +vector base register (for interrupt vectors) +@end table + +@node SH-Addressing +@subsection Addressing Modes + +@cindex addressing modes, SH +@cindex SH addressing modes +@code{@value{AS}} understands the following addressing modes for the SH. +@code{R@var{n}} in the following refers to any of the numbered +registers, but @emph{not} the control registers. + +@table @code +@item R@var{n} +Register direct + +@item @@R@var{n} +Register indirect + +@item @@-R@var{n} +Register indirect with pre-decrement + +@item @@R@var{n}+ +Register indirect with post-increment + +@item @@(@var{disp}, R@var{n}) +Register indirect with displacement + +@item @@(R0, R@var{n}) +Register indexed + +@item @@(@var{disp}, GBR) +@code{GBR} offset + +@item @@(R0, GBR) +GBR indexed + +@item @var{addr} +@itemx @@(@var{disp}, PC) +PC relative address (for branch or for addressing memory). The +@code{@value{AS}} implementation allows you to use the simpler form +@var{addr} anywhere a PC relative address is called for; the alternate +form is supported for compatibility with other assemblers. + +@item #@var{imm} +Immediate data +@end table + +@node SH Floating Point +@section Floating Point + +@cindex floating point, SH (@sc{ieee}) +@cindex SH floating point (@sc{ieee}) +The SH family has no hardware floating point, but the @code{.float} +directive generates @sc{ieee} floating-point numbers for compatibility +with other development tools. + +@node SH Directives +@section SH Machine Directives + +@cindex SH machine directives (none) +@cindex machine directives, SH (none) +@cindex @code{word} directive, SH +@cindex @code{int} directive, SH +@code{@value{AS}} has no machine-dependent directives for the SH. + +@node SH Opcodes +@section Opcodes + +@cindex SH opcode summary +@cindex opcode summary, SH +@cindex mnemonics, SH +@cindex instruction summary, SH +For detailed information on the SH machine instruction set, see +@cite{SH-Microcomputer User's Manual} (Hitachi Micro Systems, Inc.). + +@code{@value{AS}} implements all the standard SH opcodes. No additional +pseudo-instructions are needed on this family. Note, however, that +because @code{@value{AS}} supports a simpler form of PC-relative +addressing, you may simply write (for example) + +@example +mov.l bar,r0 +@end example + +@noindent +where other assemblers might require an explicit displacement to +@code{bar} from the program counter: + +@example +mov.l @@(@var{disp}, PC) +@end example + +@ifset SMALL +@c this table, due to the multi-col faking and hardcoded order, looks silly +@c except in smallbook. See comments below "@set SMALL" near top of this file. + +Here is a summary of SH opcodes: + +@page +@smallexample +@i{Legend:} +Rn @r{a numbered register} +Rm @r{another numbered register} +#imm @r{immediate data} +disp @r{displacement} +disp8 @r{8-bit displacement} +disp12 @r{12-bit displacement} + +add #imm,Rn lds.l @@Rn+,PR +add Rm,Rn mac.w @@Rm+,@@Rn+ +addc Rm,Rn mov #imm,Rn +addv Rm,Rn mov Rm,Rn +and #imm,R0 mov.b Rm,@@(R0,Rn) +and Rm,Rn mov.b Rm,@@-Rn +and.b #imm,@@(R0,GBR) mov.b Rm,@@Rn +bf disp8 mov.b @@(disp,Rm),R0 +bra disp12 mov.b @@(disp,GBR),R0 +bsr disp12 mov.b @@(R0,Rm),Rn +bt disp8 mov.b @@Rm+,Rn +clrmac mov.b @@Rm,Rn +clrt mov.b R0,@@(disp,Rm) +cmp/eq #imm,R0 mov.b R0,@@(disp,GBR) +cmp/eq Rm,Rn mov.l Rm,@@(disp,Rn) +cmp/ge Rm,Rn mov.l Rm,@@(R0,Rn) +cmp/gt Rm,Rn mov.l Rm,@@-Rn +cmp/hi Rm,Rn mov.l Rm,@@Rn +cmp/hs Rm,Rn mov.l @@(disp,Rn),Rm +cmp/pl Rn mov.l @@(disp,GBR),R0 +cmp/pz Rn mov.l @@(disp,PC),Rn +cmp/str Rm,Rn mov.l @@(R0,Rm),Rn +div0s Rm,Rn mov.l @@Rm+,Rn +div0u mov.l @@Rm,Rn +div1 Rm,Rn mov.l R0,@@(disp,GBR) +exts.b Rm,Rn mov.w Rm,@@(R0,Rn) +exts.w Rm,Rn mov.w Rm,@@-Rn +extu.b Rm,Rn mov.w Rm,@@Rn +extu.w Rm,Rn mov.w @@(disp,Rm),R0 +jmp @@Rn mov.w @@(disp,GBR),R0 +jsr @@Rn mov.w @@(disp,PC),Rn +ldc Rn,GBR mov.w @@(R0,Rm),Rn +ldc Rn,SR mov.w @@Rm+,Rn +ldc Rn,VBR mov.w @@Rm,Rn +ldc.l @@Rn+,GBR mov.w R0,@@(disp,Rm) +ldc.l @@Rn+,SR mov.w R0,@@(disp,GBR) +ldc.l @@Rn+,VBR mova @@(disp,PC),R0 +lds Rn,MACH movt Rn +lds Rn,MACL muls Rm,Rn +lds Rn,PR mulu Rm,Rn +lds.l @@Rn+,MACH neg Rm,Rn +lds.l @@Rn+,MACL negc Rm,Rn +@page +nop stc VBR,Rn +not Rm,Rn stc.l GBR,@@-Rn +or #imm,R0 stc.l SR,@@-Rn +or Rm,Rn stc.l VBR,@@-Rn +or.b #imm,@@(R0,GBR) sts MACH,Rn +rotcl Rn sts MACL,Rn +rotcr Rn sts PR,Rn +rotl Rn sts.l MACH,@@-Rn +rotr Rn sts.l MACL,@@-Rn +rte sts.l PR,@@-Rn +rts sub Rm,Rn +sett subc Rm,Rn +shal Rn subv Rm,Rn +shar Rn swap.b Rm,Rn +shll Rn swap.w Rm,Rn +shll16 Rn tas.b @@Rn +shll2 Rn trapa #imm +shll8 Rn tst #imm,R0 +shlr Rn tst Rm,Rn +shlr16 Rn tst.b #imm,@@(R0,GBR) +shlr2 Rn xor #imm,R0 +shlr8 Rn xor Rm,Rn +sleep xor.b #imm,@@(R0,GBR) +stc GBR,Rn xtrct Rm,Rn +stc SR,Rn +@end smallexample +@end ifset + +@ifset Hitachi-all +@ifclear GENERIC +@raisesections +@end ifclear +@end ifset + -- cgit v1.1