From 9cac79d30bd2c66a3f91cd5803aadb9dc36bc24b Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Mon, 25 Oct 1999 15:28:44 +0000 Subject: [PATCH] Apply patch supplied for case 102229 to implement new insns psrclr and psrset. --- gas/config/tc-mcore.c | 84 +++++++++++++++++++++++++++++++++++++------ opcodes/ChangeLog | 8 +++++ opcodes/mcore-dis.c | 58 ++++++++++++++++++++++++++++++ opcodes/mcore-opc.h | 4 ++- 4 files changed, 143 insertions(+), 11 deletions(-) diff --git a/gas/config/tc-mcore.c b/gas/config/tc-mcore.c index 4f4e8e95670..549b43d326a 100644 --- a/gas/config/tc-mcore.c +++ b/gas/config/tc-mcore.c @@ -42,14 +42,15 @@ static void mcore_float_cons PARAMS ((int)); static void mcore_stringer PARAMS ((int)); static void mcore_fill PARAMS ((int)); static int log2 PARAMS ((unsigned int)); -static char * parse_reg PARAMS ((char *, unsigned *)); -static char * parse_creg PARAMS ((char *, unsigned *)); -static char * parse_exp PARAMS ((char *, expressionS *)); +static char * parse_reg PARAMS ((char *, unsigned *)); +static char * parse_creg PARAMS ((char *, unsigned *)); +static char * parse_exp PARAMS ((char *, expressionS *)); +static char * parse_rt PARAMS ((char *, char **, int, expressionS *)); +static char * parse_imm PARAMS ((char *, unsigned *, unsigned, unsigned)); +static char * parse_mem PARAMS ((char *, unsigned *, unsigned *, unsigned)); +static char * parse_psrmod PARAMS ((char *, unsigned *)); static void make_name PARAMS ((char *, char *, int)); static int enter_literal PARAMS ((expressionS *, int)); -static char * parse_rt PARAMS ((char *, char **, int, expressionS *)); -static char * parse_imm PARAMS ((char *, unsigned *, unsigned, unsigned)); -static char * parse_mem PARAMS ((char *, unsigned *, unsigned *, unsigned)); static void dump_literals PARAMS ((int)); static void check_literals PARAMS ((int, int)); static void mcore_s_text PARAMS ((int)); @@ -60,7 +61,6 @@ static void mcore_s_bss PARAMS ((int)); static void mcore_s_comm PARAMS ((int)); #endif - /* Several places in this file insert raw instructions into the object. They should use MCORE_INST_XXX macros to get the opcodes and then use these two macros to crack the MCORE_INST value into @@ -336,16 +336,17 @@ mcore_fill (unused) } poolspan += size * repeat; + + check_literals (1, 0); } s_fill (unused); - check_literals (2, 0); + check_literals (1, 0); } /* Handle the section changing pseudo-ops. These call through to the normal implementations, but they dump the literal pool first. */ - static void mcore_s_text (ignore) int ignore; @@ -588,6 +589,46 @@ parse_creg (s, reg) return s; } +static char * +parse_psrmod (s, reg) + char * s; + unsigned * reg; +{ + int i; + char buf[10]; + static struct psrmods + { + char * name; + unsigned int value; + } + psrmods[] = + { + { "ie", 1 }, + { "fe", 2 }, + { "ee", 4 }, + { "af", 8 } /* really 0 and non-combinable */ + }; + + for (i = 0; i < 2; i++) + buf[i] = isascii (s[i]) ? tolower (s[i]) : 0; + + for (i = sizeof (psrmods) / sizeof (psrmods[0]); i--;) + { + if (! strncmp (psrmods[i].name, buf, 2)) + { + * reg = psrmods[i].value; + + return s + 2; + } + } + + as_bad (_("bad/missing psr specifier")); + + * reg = 0; + + return s; +} + static char * parse_exp (s, e) char * s; @@ -713,7 +754,7 @@ check_literals (kind, offset) if (poolspan > SPANCLOSE && kind > 0) dump_literals (0); - else if (poolspan > SPANEXIT && kind > 1) + else if (/* poolspan > SPANEXIT &&*/ kind > 1) dump_literals (0); else if (poolspan >= (SPANPANIC - poolsize * 2)) dump_literals (1); @@ -1594,6 +1635,29 @@ md_assemble (str) output = frag_more (2); break; + case OPSR: + op_end = parse_psrmod (op_end + 1, & reg); + + /* Look for further selectors. */ + while (* op_end == ',') + { + unsigned value; + + op_end = parse_psrmod (op_end + 1, & value); + + if (value & reg) + as_bad (_("duplicated psr bit specifier")); + + reg |= value; + } + + if (reg > 8) + as_bad (_("`af' must appear alone")); + + inst |= (reg & 0x7); + output = frag_more (2); + break; + default: as_bad (_("unimplemented opcode \"%s\""), name); } diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index c4f4045caf9..9160f9e04a9 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,11 @@ +1999-10-25 Nick Clifton + + * mcore-opc.h (enum mcore_opclass): Add class OPSR. + (mcore_table): Add psrclr and psrset instructions. + + * mcore-dis.c (array imsk): Add mask for OPSR class. + (print_insn_mcore): Add decode for OPSR class insns. + 1999-10-18 Michael Meissner * alpha-opc.c (alpha_operands): Fill in missing initializer. diff --git a/opcodes/mcore-dis.c b/opcodes/mcore-dis.c index 793de68c73f..2c9f041d773 100644 --- a/opcodes/mcore-dis.c +++ b/opcodes/mcore-dis.c @@ -57,6 +57,52 @@ static const unsigned short imsk[] = /* OMc */ 0xFF00, /* SIa */ 0xFE00, +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include +#define STATIC_TABLE +#define DEFINE_TABLE + +#include "mcore-opc.h" +#include "dis-asm.h" + +/* Mask for each mcore_opclass: */ +static const unsigned short imsk[] = +{ + /* O0 */ 0xFFFF, + /* OT */ 0xFFFC, + /* O1 */ 0xFFF0, + /* OC */ 0xFFE0, + /* O2 */ 0xFF00, + /* X1 */ 0xFFF0, + /* OI */ 0xFE00, + /* OB */ 0xFE00, + + /* OMa */ 0xFFF0, + /* SI */ 0xFE00, + /* I7 */ 0xF800, + /* LS */ 0xF000, + /* BR */ 0xF800, + /* BL */ 0xFF00, + /* LR */ 0xF000, + /* LJ */ 0xFF00, + + /* RM */ 0xFFF0, + /* RQ */ 0xFFF0, + /* JSR */ 0xFFF0, + /* JMP */ 0xFFF0, + /* OBRa*/ 0xFFF0, + /* OBRb*/ 0xFF80, + /* OBRc*/ 0xFF00, + /* OBR2*/ 0xFE00, + + /* O1R1*/ 0xFFF0, + /* OMb */ 0xFF80, + /* OMc */ 0xFF00, + /* SIa */ 0xFE00, + + /* OPSR */ 0xFFF8, /* psrset/psrclr */ + /* JC */ 0, /* JC,JU,JL don't appear in object */ /* JU */ 0, /* JL */ 0, @@ -237,6 +283,18 @@ print_insn_mcore (memaddr, info) } break; + case OPSR: + { + static char * fields[] = + { + "af", "ie", "fe", "fe,ie", + "ee", "ee,ie", "ee,fe", "ee,fe,ie" + }; + + fprintf (stream, "\t%s", fields[inst & 0x7]); + } + break; + default: /* if the disassembler lags the instruction set */ fprintf (stream, "\tundecoded operands, inst is 0x%04x", inst); diff --git a/opcodes/mcore-opc.h b/opcodes/mcore-opc.h index 606ba846efd..208b8812317 100644 --- a/opcodes/mcore-opc.h +++ b/opcodes/mcore-opc.h @@ -23,7 +23,7 @@ typedef enum O0, OT, O1, OC, O2, X1, OI, OB, OMa, SI, I7, LS, BR, BL, LR, LJ, RM, RQ, JSR, JMP, OBRa, OBRb, OBRc, OBR2, - O1R1, OMb, OMc, SIa, + O1R1, OMb, OMc, SIa, OPSR, JC, JU, JL, RSI, DO21, OB2 } mcore_opclass; @@ -99,6 +99,8 @@ mcore_opcode_info mcore_table[] = { "tst", O2, 0, 0x0E00 }, { "cmpne", O2, 0, 0x0F00 }, { "mfcr", OC, 0, 0x1000 }, + { "psrclr", OPSR, 0, 0x11F0 }, + { "psrset", OPSR, 0, 0x11F8 }, { "mov", O2, 0, 0x1200 }, { "bgenr", O2, 0, 0x1300 }, { "rsub", O2, 0, 0x1400 }, -- 2.30.2