the MIPS 4Kc, 4KEc, 5Kc and 5KE cpus don't have an FPU.

this will break the MALTA kernel in gxemul, but the real hardware does not have an FPU.. From mrg@NetBSD via pkgsrc
ryoon · Sep 4, 2017 · 4fa3c09 · 4fa3c09
1 parent ff9ef31
commit 4fa3c09
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/include/mips_cpu_types.h b/src/include/mips_cpu_types.h
@@ -98,10 +98,10 @@
 	{ "RM7900",	0x34 /*?*/,  0x0 /* ? */,DCOUNT,EXC4K, MMU4K,	4, 0,	64, 4,14,5,1,14,5,1,18, 6, 1 }, /*  instrs/cycle? cachelinesize? assoc = 4ways for all  */ \
 	{ "RM9000",	0x34 /*?*/,  0x0 /* ? */,DCOUNT,EXC4K, MMU4K,	4, 0,	48, 4,14,5,1,14,5,1,18, 6, 1 }, /*  This is totally bogus  */ \
 	{ "RC32334",	MIPS_RC32300,0x00,	0,	EXC32, MMU4K,  32, 1,	16, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, \
-	{ "4Kc",	0x100+MIPS_4Kc, 1,	0,	EXC32, MMU32,  32, 1,	16, 4,14,4,2,14,4,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
-	{ "4KEc",	0x100+MIPS_4KEc_R2, 1,	0,	EXC32, MMU32,  32, 2,	16, 4,14,4,2,14,4,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
-	{ "5Kc",	0x100+MIPS_5Kc, 1,	0,	EXC64, MMU64,  64, 1,	48, 4,15,5,2,15,5,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
-	{ "5KE",	0x100+MIPS_5KE, 1,	0,	EXC64, MMU64,  64, 2,	48, 4,15,5,2,15,5,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
+	{ "4Kc",	0x100+MIPS_4Kc, 1,	NOFPU,	EXC32, MMU32,  32, 1,	16, 4,14,4,2,14,4,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
+	{ "4KEc",	0x100+MIPS_4KEc_R2, 1,	NOFPU,	EXC32, MMU32,  32, 2,	16, 4,14,4,2,14,4,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
+	{ "5Kc",	0x100+MIPS_5Kc, 1,	NOFPU,	EXC64, MMU64,  64, 1,	48, 4,15,5,2,15,5,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
+	{ "5KE",	0x100+MIPS_5KE, 1,	NOFPU,	EXC64, MMU64,  64, 2,	48, 4,15,5,2,15,5,2, 0, 0, 0 }, /*  DCOUNT?  instrs/cycle? BOGUS, TODO  */ \
 	{ "BCM4710",	0x000240,   0x00,       0,	EXC32, MMU32,  32, 1,	32, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /*  TODO: this is just bogus  */ \
 	{ "BCM4712",	0x000290,   0x07,       0,	EXC32, MMU32,  32, 1,	32, 2,13,4,1,12,4,1, 0, 0, 0 }, /*  2ways I, 2ways D  */ \
 	{ "AU1000",	0x00302,    0x01,       0,	EXC32, MMU32,  32, 1,	32, 2,14,5,2,14,5,2, 0, 0, 0 }, /*  TODO: this is just bogus  */ \