Module Name: src
Committed By: skrll
Date: Sat Oct 6 15:54:55 UTC 2018
Modified Files:
src/sys/arch/arm/arm: cpufunc_asm_armv7.S
Log Message:
Add the ARM ARM cache operation name in some comments
To generate a diff of this commit:
cvs rdiff -u -r1.27 -r1.28 src/sys/arch/arm/arm/cpufunc_asm_armv7.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/arm/cpufunc_asm_armv7.S
diff -u src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.27 src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.28
--- src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.27 Thu Aug 24 14:19:36 2017
+++ src/sys/arch/arm/arm/cpufunc_asm_armv7.S Sat Oct 6 15:54:55 2018
@@ -347,7 +347,7 @@ ENTRY_NP(armv7_icache_inv_all)
mov r2, ip @ r2 now contains set way decr
/* r3 = ways/sets, r2 = way decr, r1 = set decr, r0 and ip are free */
-1: mcr p15, 0, r3, c7, c6, 2 @ invalidate line
+1: mcr p15, 0, r3, c7, c6, 2 @ DCISW (data cache invalidate by set/way)
movs r0, r3 @ get current way/set
beq 2f @ at 0 means we are done.
lsls r0, r0, #10 @ clear way bits leaving only set bits
@@ -391,7 +391,7 @@ ENTRY_NP(armv7_dcache_l1inv_all)
sub r2, r2, r0 @ subtract from way decr
/* r3 = ways/sets/level, r2 = way decr, r1 = set decr, r0 and ip are free */
-1: mcr p15, 0, r3, c7, c6, 2 @ invalidate line
+1: mcr p15, 0, r3, c7, c6, 2 @ DCISW (data cache invalidate by set/way)
cmp r3, #15 @ are we done with this level (way/set == 0)
bls .Ldone_l1inv @ yes, we've finished
ubfx r0, r3, #4, #18 @ extract set bits
@@ -445,7 +445,7 @@ ENTRY_NP(armv7_dcache_inv_all)
sub r2, r2, r0 @ subtract from way decr
/* r3 = ways/sets/level, r2 = way decr, r1 = set decr, r0 and ip are free */
-1: mcr p15, 0, r3, c7, c6, 2 @ invalidate line
+1: mcr p15, 0, r3, c7, c6, 2 @ DCISW (data cache invalidate by set/way)
cmp r3, #15 @ are we done with this level (way/set == 0)
bls .Lnext_level_inv @ yes, go to next level
ubfx r0, r3, #4, #18 @ extract set bits
@@ -506,7 +506,7 @@ ENTRY_NP(armv7_dcache_wbinv_all)
sub r2, r2, r0 @ subtract from way decr
/* r3 = ways/sets/level, r2 = way decr, r1 = set decr, r0 and ip are free */
-1: mcr p15, 0, r3, c7, c14, 2 @ writeback and invalidate line
+1: mcr p15, 0, r3, c7, c14, 2 @ DCCISW (data cache clean and invalidate by set/way)
cmp r3, #15 @ are we done with this level (way/set == 0)
bls .Lnext_level_wbinv @ yes, go to next level
ubfx r0, r3, #4, #18 @ extract set bits
