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2004-04-11 Chris Demetriou <cgd@broadcom.com>

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* utils-fpu.inc (enable_fpu, ckm_fp_cc): New macros.
        (clrset_fp_cc): Fix mask used for upper 7 condition codes.
        * utils-mdmx.inc: Include utils-fpu.inc.
        (enable_mdmx): Use enable_fpu.
This commit is contained in:
Chris Demetriou 2004-04-11 07:12:13 +00:00
parent cdc89eb2c3
commit adad0f8a2b
3 changed files with 31 additions and 7 deletions
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7
sim/testsuite/sim/mips/ChangeLog
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@ -1,3 +1,10 @@
2004-04-11 Chris Demetriou <cgd@broadcom.com>
* utils-fpu.inc (enable_fpu, ckm_fp_cc): New macros.
(clrset_fp_cc): Fix mask used for upper 7 condition codes.
* utils-mdmx.inc: Include utils-fpu.inc.
(enable_mdmx): Use enable_fpu.
2004-04-10 Chris Demetriou <cgd@broadcom.com>
* utils-fpu.inc: New file.

20
sim/testsuite/sim/mips/utils-fpu.inc
View file

@ -18,6 +18,12 @@
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
.macro enable_fpu fr
mfc0 $20, $12
or $20, $20, (1 << 29) | (\fr << 26)
mtc0 $20, $20
.endm
###
### Data movement macros
###
@ -57,9 +63,9 @@
.macro clrset_fp_cc clr, set
cfc1 $20, $31
or $20, $20, (((\clr & 0xf7) << 24) | ((\clr & 0x01) << 23))
xor $20, $20, (((\clr & 0xf7) << 24) | ((\clr & 0x01) << 23))
or $20, $20, (((\set & 0xf7) << 24) | ((\set & 0x01) << 23))
or $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23))
xor $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23))
or $20, $20, (((\set & 0xfe) << 24) | ((\set & 0x01) << 23))
ctc1 $20, $31
.endm
@ -89,3 +95,11 @@
bnez $20, _fail
nop
.endm
.macro ckm_fp_cc v, mask
get_fp_cc $20
xori $20, $20, \v
andi $20, $20, \mask
bnez $20, _fail
nop
.endm

7
sim/testsuite/sim/mips/utils-mdmx.inc
View file

@ -18,14 +18,17 @@
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
.include "utils-fpu.inc"
###
### Shared macros
###
# Enable MDMX, by setting Status.CU1, .FR, and .MX
# Enable MDMX: enable the FPU w/ FR=1, then set Status.MX
.macro enable_mdmx
enable_fpu 1
mfc0 $20, $12
or $20, $20, (1 << 29) | (1 << 26) | (1 << 24)
or $20, $20, (1 << 24)
mtc0 $20, $12
.endm