Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[ARM] vfp: make fpexc bit names less verbose
Use the fpexc abbreviated names instead of long verbose names
for fpexc bits.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by Russell King and committed by Russell King 228adef1 21d1ca04
+6
-6
arch/arm/vfp/vfphw.S
+6
-6
arch/arm/vfp/vfphw.S
···
74
74
75
75
VFPFMRX r1, FPEXC @ Is the VFP enabled?
76
76
DBGSTR1 "fpexc %08x", r1
77
-
tst r1, #FPEXC_ENABLE
77
+
tst r1, #FPEXC_EN
78
78
bne look_for_VFP_exceptions @ VFP is already enabled
79
79
80
80
DBGSTR1 "enable %x", r10
81
81
ldr r3, last_VFP_context_address
82
-
orr r1, r1, #FPEXC_ENABLE @ user FPEXC has the enable bit set
82
+
orr r1, r1, #FPEXC_EN @ user FPEXC has the enable bit set
83
83
ldr r4, [r3, r11, lsl #2] @ last_VFP_context pointer
84
-
bic r5, r1, #FPEXC_EXCEPTION @ make sure exceptions are disabled
84
+
bic r5, r1, #FPEXC_EX @ make sure exceptions are disabled
85
85
cmp r4, r10
86
86
beq check_for_exception @ we are returning to the same
87
87
@ process, so the registers are
···
124
124
VFPFMXR FPSCR, r5 @ restore status
125
125
126
126
check_for_exception:
127
-
tst r1, #FPEXC_EXCEPTION
127
+
tst r1, #FPEXC_EX
128
128
bne process_exception @ might as well handle the pending
129
129
@ exception before retrying branch
130
130
@ out before setting an FPEXC that
···
136
136
137
137
138
138
look_for_VFP_exceptions:
139
-
tst r1, #FPEXC_EXCEPTION
139
+
tst r1, #FPEXC_EX
140
140
bne process_exception
141
141
VFPFMRX r5, FPSCR
142
-
tst r5, #FPSCR_IXE @ IXE doesn't set FPEXC_EXCEPTION !
142
+
tst r5, #FPSCR_IXE @ IXE doesn't set FPEXC_EX !
143
143
bne process_exception
144
144
145
145
@ Fall into hand on to next handler - appropriate coproc instr
+6
-6
arch/arm/vfp/vfpmodule.c
+6
-6
arch/arm/vfp/vfpmodule.c
···
53
53
* case the thread migrates to a different CPU. The
54
54
* restoring is done lazily.
55
55
*/
56
-
if ((fpexc & FPEXC_ENABLE) && last_VFP_context[cpu]) {
56
+
if ((fpexc & FPEXC_EN) && last_VFP_context[cpu]) {
57
57
vfp_save_state(last_VFP_context[cpu], fpexc);
58
58
last_VFP_context[cpu]->hard.cpu = cpu;
59
59
}
···
70
70
* Always disable VFP so we can lazily save/restore the
71
71
* old state.
72
72
*/
73
-
fmxr(FPEXC, fpexc & ~FPEXC_ENABLE);
73
+
fmxr(FPEXC, fpexc & ~FPEXC_EN);
74
74
return NOTIFY_DONE;
75
75
}
76
76
···
81
81
*/
82
82
memset(vfp, 0, sizeof(union vfp_state));
83
83
84
-
vfp->hard.fpexc = FPEXC_ENABLE;
84
+
vfp->hard.fpexc = FPEXC_EN;
85
85
vfp->hard.fpscr = FPSCR_ROUND_NEAREST;
86
86
87
87
/*
88
88
* Disable VFP to ensure we initialise it first.
89
89
*/
90
-
fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_ENABLE);
90
+
fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
91
91
}
92
92
93
93
/* flush and release case: Per-thread VFP cleanup. */
···
229
229
/*
230
230
* Enable access to the VFP so we can handle the bounce.
231
231
*/
232
-
fmxr(FPEXC, fpexc & ~(FPEXC_EXCEPTION|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
232
+
fmxr(FPEXC, fpexc & ~(FPEXC_EX|FPEXC_INV|FPEXC_UFC|FPEXC_IOC));
233
233
234
234
orig_fpscr = fpscr = fmrx(FPSCR);
235
235
···
248
248
/*
249
249
* Modify fpscr to indicate the number of iterations remaining
250
250
*/
251
-
if (fpexc & FPEXC_EXCEPTION) {
251
+
if (fpexc & FPEXC_EX) {
252
252
u32 len;
253
253
254
254
len = fpexc + (1 << FPEXC_LENGTH_BIT);
+2
-2
include/asm-arm/vfp.h
+2
-2
include/asm-arm/vfp.h