From: Michael Snyder Date: Wed, 23 Jul 2003 21:25:41 +0000 (+0000) Subject: 2003-06-27 Michael Snyder X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b939d772c1052b510a03d579a6250d23e5b39212;p=binutils-gdb.git 2003-06-27 Michael Snyder * gencode.c (op tab): Some fix-ups of refs and defs. (ocbi, ocbp): Cache not simulated, but may cause memory fault. (gensym_caselist): Add default case to switch statement. (expand_ppi_code): Add default case to switch statement. --- diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog index 2b6624d8973..8a5e9e3f0c8 100644 --- a/sim/sh/ChangeLog +++ b/sim/sh/ChangeLog @@ -4,6 +4,10 @@ 2003-06-27 Michael Snyder + * gencode.c (op tab): Some fix-ups of refs and defs. + (ocbi, ocbp): Cache not simulated, but may cause memory fault. + (gensym_caselist): Add default case to switch statement. + (expand_ppi_code): Add default case to switch statement. * gencode.c (op tab): Implement movca.l. * gencode.c (op movsxy_tab): Fix an error in the bit pattern. * gencode.c (gensim_caselist): The movy instructions use diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c index ea6d323eab0..e7b6b4dc548 100644 --- a/sim/sh/gencode.c +++ b/sim/sh/gencode.c @@ -195,7 +195,7 @@ op tab[] = "SET_SR_T (0);", }, - { "", "", "div1 ,", "0011nnnnmmmm0100", + { "", "nm", "div1 ,", "0011nnnnmmmm0100", /* ? MVS */ "div1 (R, m, n/*, T*/);", }, @@ -346,7 +346,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s ,@", "1111nnnnmmmm1010", + { "", "n", "fmov.s ,@", "1111nnnnmmmm1010", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -359,7 +359,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s @,", "1111nnnnmmmm1000", + { "", "m", "fmov.s @,", "1111nnnnmmmm1000", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -372,7 +372,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s @+,", "1111nnnnmmmm1001", + { "", "m", "fmov.s @+,", "1111nnnnmmmm1001", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -387,7 +387,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s ,@-", "1111nnnnmmmm1011", + { "n", "n", "fmov.s ,@-", "1111nnnnmmmm1011", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -402,7 +402,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s @(R0,),", "1111nnnnmmmm0110", + { "", "0m", "fmov.s @(R0,),", "1111nnnnmmmm0110", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -415,7 +415,7 @@ op tab[] = "}", }, /* sh2e */ - { "", "", "fmov.s ,@(R0,)", "1111nnnnmmmm0111", + { "", "0n", "fmov.s ,@(R0,)", "1111nnnnmmmm0111", /* sh4 */ "if (FPSCR_SZ) {", " MA (2);", @@ -519,25 +519,25 @@ op tab[] = "/* FIXME: user mode */", }, #endif - { "", "n", "ldc.l @+,", "0100nnnnmmmm0111", + { "n", "n", "ldc.l @+,", "0100nnnnmmmm0111", "MA (1);", "CREG (m) = RLAT (R[n]);", "R[n] += 4;", "/* FIXME: user mode */", }, - { "", "n", "ldc.l @+,SR", "0100nnnn00000111", + { "n", "n", "ldc.l @+,SR", "0100nnnn00000111", "MA (1);", "SET_SR (RLAT (R[n]));", "R[n] += 4;", "/* FIXME: user mode */", }, - { "", "n", "ldc.l @+,MOD", "0100nnnn01010111", + { "n", "n", "ldc.l @+,MOD", "0100nnnn01010111", "MA (1);", "SET_MOD (RLAT (R[n]));", "R[n] += 4;", }, #if 0 - { "", "n", "ldc.l @+,DBR", "0100nnnn11110110", + { "n", "n", "ldc.l @+,DBR", "0100nnnn11110110", "MA (1);", "DBR = RLAT (R[n]);", "R[n] += 4;", @@ -556,7 +556,7 @@ op tab[] = { "", "n", "lds ,", "0100nnnnssss1010", "SREG (m) = R[n];", }, - { "", "n", "lds.l @+,", "0100nnnnssss0110", + { "n", "n", "lds.l @+,", "0100nnnnssss0110", "MA (1);", "SREG (m) = RLAT(R[n]);", "R[n] += 4;", @@ -566,7 +566,7 @@ op tab[] = "SET_FPSCR(R[n]);", }, /* sh2e / sh-dsp (lds.l @+,DSR) */ - { "", "n", "lds.l @+,FPSCR", "0100nnnn01100110", + { "n", "n", "lds.l @+,FPSCR", "0100nnnn01100110", "MA (1);", "SET_FPSCR (RLAT(R[n]));", "R[n] += 4;", @@ -576,12 +576,12 @@ op tab[] = "/* FIXME: XXX*/ abort();", }, - { "", "nm", "mac.l @+,@+", "0000nnnnmmmm1111", + { "nm", "nm", "mac.l @+,@+", "0000nnnnmmmm1111", "trap (255, R0, PC, memory, maskl, maskw, endianw);", "/* FIXME: mac.l support */", }, - { "", "nm", "mac.w @+,@+", "0100nnnnmmmm1111", + { "nm", "nm", "mac.w @+,@+", "0100nnnnmmmm1111", "macw(R0,memory,n,m,endianw);", }, @@ -607,7 +607,7 @@ op tab[] = "R[n] = RSBAT (R0 + R[m]);", "L (n);", }, - { "n", "m", "mov.b @+,", "0110nnnnmmmm0100", + { "nm", "m", "mov.b @+,", "0110nnnnmmmm0100", "MA (1);", "R[n] = RSBAT (R[m]);", "R[m] += 1;", @@ -629,7 +629,7 @@ op tab[] = "MA (1);", "WBAT (R[n] + R0, R[m]);", }, - { "", "nm", "mov.b ,@-", "0010nnnnmmmm0100", + { "n", "nm", "mov.b ,@-", "0010nnnnmmmm0100", "MA (1);", "R[n] -= 1;", "WBAT (R[n], R[m]);", @@ -683,7 +683,7 @@ op tab[] = "MA (1);", "WLAT (R0 + R[n], R[m]);", }, - { "", "nm", "mov.l ,@-", "0010nnnnmmmm0110", + { "n", "nm", "mov.l ,@-", "0010nnnnmmmm0110", "MA (1) ;", "R[n] -= 4;", "WLAT (R[n], R[m]);", @@ -799,14 +799,14 @@ op tab[] = "R[n] = ~R[m];", }, - { "0", "", "ocbi @", "0000nnnn10010011", - "/* FIXME: Not implemented */", - "RAISE_EXCEPTION (SIGILL);", + { "", "n", "ocbi @", "0000nnnn10010011", + "RSBAT (R[n]); /* Take exceptions like byte load. */", + "/* FIXME: Cache not implemented */", }, - { "0", "", "ocbp @", "0000nnnn10100011", - "/* FIXME: Not implemented */", - "RAISE_EXCEPTION (SIGILL);", + { "", "n", "ocbp @", "0000nnnn10100011", + "RSBAT (R[n]); /* Take exceptions like byte load. */", + "/* FIXME: Cache not implemented */", }, { "", "n", "ocbwb @", "0000nnnn10110011", @@ -881,7 +881,7 @@ op tab[] = { "", "n", "setrc ", "0100nnnn00010100", "SET_RC (R[n]);", }, - { "", "n", "setrc #", "10000010i8*1....", + { "", "", "setrc #", "10000010i8*1....", /* It would be more realistic to let loop_start point to some static memory that contains an illegal opcode and then give a bus error when the loop is eventually encountered, but it seems not only simpler, @@ -2138,6 +2138,10 @@ gensim_caselist (p) { switch (*s) { + fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n", + *s); + exit (1); + break; case '0': case '1': s += 2; @@ -2331,6 +2335,11 @@ expand_ppi_code (val, i, s) { switch (s[0]) { + default: + fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n", + s[0]); + exit (2); + break; /* The last eight bits are disregarded for the switch table. */ case 'm': case 'x':