Remove DJGPP (and therefore WATT32) #ifdef's.

[openssl.git] / crypto / x86cpuid.pl

diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index 86772329bc7bd5a2492e59fdddb25e7901b0f6c2..dca37e7cd265878d04a77d6dea0235add06e4c74 100644 (file)
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -168,7 +168,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &ret    ();
 &function_end_B("OPENSSL_rdtsc");
 
-# This works in Ring 0 only [read DJGPP+MS-DOS+privileged DPMI host],
+# This works in Ring 0 only [read MS-DOS+privileged DPMI host],
 # but it's safe to call it on any [supported] 32-bit platform...
 # Just check for [non-]zero return value...
 &function_begin_B("OPENSSL_instrument_halt","EXTRN\t_OPENSSL_ia32cap_P:DWORD");
@@ -202,41 +202,6 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &ret    ();
 &function_end_B("OPENSSL_instrument_halt");
 
-# Essentially there is only one use for this function. Under DJGPP:
-#
-#      #include <go32.h>
-#      ...
-#      i=OPENSSL_far_spin(_dos_ds,0x46c);
-#      ...
-# to obtain the number of spins till closest timer interrupt.
-
-&function_begin_B("OPENSSL_far_spin");
-       &pushf  ();
-       &pop    ("eax");
-       &bt     ("eax",9);
-       &jnc    (&label("nospin"));     # interrupts are disabled
-
-       &mov    ("eax",&DWP(4,"esp"));
-       &mov    ("ecx",&DWP(8,"esp"));
-       &data_word (0x90d88e1e);        # push %ds, mov %eax,%ds
-       &xor    ("eax","eax");
-       &mov    ("edx",&DWP(0,"ecx"));
-       &jmp    (&label("spin"));
-
-       &align  (16);
-&set_label("spin");
-       &inc    ("eax");
-       &cmp    ("edx",&DWP(0,"ecx"));
-       &je     (&label("spin"));
-
-       &data_word (0x1f909090);        # pop   %ds
-       &ret    ();
-
-&set_label("nospin");
-       &xor    ("eax","eax");
-       &xor    ("edx","edx");
-       &ret    ();
-&function_end_B("OPENSSL_far_spin");
 
 &function_begin_B("OPENSSL_wipe_cpu","EXTRN\t_OPENSSL_ia32cap_P:DWORD");
        &xor    ("eax","eax");