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Improve vm86 error handling in Xvesa.

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This commit is contained in:
Juliusz Chroboczek 2006-11-06 02:29:49 +01:00
parent 6b2c65fdd1
commit aa0261a98e
1 changed files with 16 additions and 15 deletions
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31
hw/kdrive/vesa/vm86.c
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@ -235,13 +235,9 @@ Vm86DoInterrupt(Vm86InfoPtr vi, int num)
OsBlockSignals ();
code = vm86_loop(vi);
OsReleaseSignals ();
if(code < 0) {
ErrorF("vm86 failed (errno %d)\n", errno);
if(code != 0)
return -1;
} else if(code != 0) {
ErrorF("vm86 returned 0x%04X\n", code);
return -1;
} else
else
return 0;
}
@ -269,14 +265,10 @@ Vm86DoPOST(Vm86InfoPtr vi)
OsBlockSignals ();
code = vm86_loop(vi);
OsReleaseSignals ();
if(code < 0) {
ErrorF("vm86 failed (errno %d)\n", errno);
if(code != 0)
return -1;
} else if(code != 0) {
ErrorF("vm86 returned 0x%04X\n", code);
return -1;
} else
return 0;
else
return 0;
}
#define DEBUG_VBE 0
@ -573,8 +565,17 @@ vm86_loop(Vm86InfoPtr vi)
Vm86Debug(vi);
return -1;
default:
ErrorF("Unexpected result code 0x%X from vm86\n", code);
Vm86Debug(vi);
if(code < 0) {
if(errno == ENOSYS) {
ErrorF("No vm86 support. Are you running on AMD64?\n");
} else {
ErrorF("vm86 failed (errno = %d).\n", errno);
Vm86Debug(vi);
}
} else {
ErrorF("Unexpected result code 0x%X from vm86\n", code);
Vm86Debug(vi);
}
return -1;
}
}