113 lines
2.7 KiB
Diff
113 lines
2.7 KiB
Diff
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Patch machine detection code: always use "ppc", restore SIGILL
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handler, detect transmeta. [#52713]
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--- ./lib/rpmrc.c.orig 2005-01-17 18:46:23.000000000 +0000
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+++ ./lib/rpmrc.c 2005-12-16 18:30:29.000000000 +0000
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@@ -2,9 +2,6 @@
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#include "system.h"
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#include <stdarg.h>
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-#if defined(__linux__) && defined(__powerpc__)
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-#include <setjmp.h>
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-#endif
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#include <ctype.h> /* XXX for /etc/rpm/platform contents */
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@@ -953,20 +950,38 @@ static inline int RPMClass(void)
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{
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int cpu;
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unsigned int tfms, junk, cap, capamd;
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+ struct sigaction oldsa;
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+ sigaction(SIGILL, NULL, &oldsa);
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signal(SIGILL, model3);
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- if (sigsetjmp(jenv, 1))
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+ if (sigsetjmp(jenv, 1)) {
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+ sigaction(SIGILL, &oldsa, NULL);
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return 3;
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+ }
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- if (cpuid_eax(0x000000000)==0)
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+ if (cpuid_eax(0x000000000)==0) {
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+ sigaction(SIGILL, &oldsa, NULL);
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return 4;
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+ }
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cpuid(0x00000001, &tfms, &junk, &junk, &cap);
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cpuid(0x80000001, &junk, &junk, &junk, &capamd);
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cpu = (tfms>>8)&15;
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+ /* Check if we have a Transmeta i686-compatible CPU
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+ that reports as being i586 */
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+ if(cpu == 5
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+ && cpuid_ecx(0)=='68xM'
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+ && cpuid_edx(0)=='Teni'
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+ && (cpuid_edx(1) & ((1<<8)|(1<<15))) == ((1<<8)|(1<<15))) {
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+ sigaction(SIGILL, &oldsa, NULL);
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+ return 6; /* has CX8 and CMOV */
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+ }
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+
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+ sigaction(SIGILL, &oldsa, NULL);
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+
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if (cpu < 6)
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return cpu;
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@@ -1076,15 +1091,6 @@ static int is_pentium4()
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#endif
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-#if defined(__linux__) && defined(__powerpc__)
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-static jmp_buf mfspr_jmpbuf;
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-
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-static void mfspr_ill(int notused)
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-{
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- longjmp(mfspr_jmpbuf, -1);
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-}
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-#endif
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-
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/**
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*/
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static void defaultMachine(/*@out@*/ const char ** arch,
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@@ -1219,6 +1225,11 @@ static void defaultMachine(/*@out@*/ con
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/* big endian */
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strcpy(un.machine, "mips");
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# endif
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+ /* in linux, lets rename parisc to hppa */
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+#if defined(__linux__)
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+ if (!strcmp(un.machine,"parisc"))
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+ strcpy(un.machine,"hppa");
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+#endif
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# if defined(__hpux) && defined(_SC_CPU_VERSION)
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{
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@@ -1326,27 +1337,6 @@ static void defaultMachine(/*@out@*/ con
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}
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# endif
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-# if defined(__linux__) && defined(__powerpc__)
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- {
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- unsigned pvr = 0;
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- __sighandler_t oldh = signal(SIGILL, mfspr_ill);
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- if (setjmp(mfspr_jmpbuf) == 0) {
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- __asm__ __volatile__ ("mfspr %0, 287" : "=r" (pvr));
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- }
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- signal(SIGILL, oldh);
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-
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- if ( pvr ) {
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- pvr >>= 16;
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- if ( pvr >= 0x40)
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- strcpy(un.machine, "ppcpseries");
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- else if ( (pvr == 0x36) || (pvr == 0x37) )
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- strcpy(un.machine, "ppciseries");
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- else
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- strcpy(un.machine, "ppc");
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- }
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- }
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-# endif
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-
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/* the uname() result goes through the arch_canon table */
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canon = lookupInCanonTable(un.machine,
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tables[RPM_MACHTABLE_INSTARCH].canons,
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