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Commit 049520dc authored by James Hogan's avatar James Hogan
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metag/usercopy: Reformat rapf loop inline asm 

Reformat rapf loop inline assembly to make it more readable and easier
to modify in future.
Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
Cc: linux-metag@vger.kernel.org
parent b884a190
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Showing with 85 additions and 129 deletions
arch/metag/lib/usercopy.c
View file @ 049520dc
......@@ -246,65 +246,49 @@
#define __asm_copy_user_64bit_rapf_loop( \
to, from, ret, n, id, FIXUP) \
asm volatile ( \
".balign 8\n" \
"MOV RAPF, %1\n" \
"MSETL [A0StP++], D0Ar6, D0FrT, D0.5, D0.6, D0.7\n" \
"MOV D0Ar6, #0\n" \
"LSR D1Ar5, %3, #6\n" \
"SUB TXRPT, D1Ar5, #2\n" \
"MOV RAPF, %1\n" \
".balign 8\n" \
" MOV RAPF, %1\n" \
" MSETL [A0StP++], D0Ar6, D0FrT, D0.5, D0.6, D0.7\n" \
" MOV D0Ar6, #0\n" \
" LSR D1Ar5, %3, #6\n" \
" SUB TXRPT, D1Ar5, #2\n" \
" MOV RAPF, %1\n" \
"$Lloop"id":\n" \
"ADD RAPF, %1, #64\n" \
"21:\n" \
"MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"22:\n" \
"MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"23:\n" \
"SUB %3, %3, #32\n" \
"24:\n" \
"MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"25:\n" \
"MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"26:\n" \
"SUB %3, %3, #32\n" \
"DCACHE [%1+#-64], D0Ar6\n" \
"BR $Lloop"id"\n" \
" ADD RAPF, %1, #64\n" \
"21: MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"22: MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"23: SUB %3, %3, #32\n" \
"24: MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"25: MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"26: SUB %3, %3, #32\n" \
" DCACHE [%1+#-64], D0Ar6\n" \
" BR $Lloop"id"\n" \
\
"MOV RAPF, %1\n" \
"27:\n" \
"MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"28:\n" \
"MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"29:\n" \
"SUB %3, %3, #32\n" \
"30:\n" \
"MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"31:\n" \
"MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"32:\n" \
"SUB %0, %0, #8\n" \
"33:\n" \
"SETL [%0++], D0.7, D1.7\n" \
"SUB %3, %3, #32\n" \
"1:" \
"DCACHE [%1+#-64], D0Ar6\n" \
"GETL D0Ar6, D1Ar5, [A0StP+#-40]\n" \
"GETL D0FrT, D1RtP, [A0StP+#-32]\n" \
"GETL D0.5, D1.5, [A0StP+#-24]\n" \
"GETL D0.6, D1.6, [A0StP+#-16]\n" \
"GETL D0.7, D1.7, [A0StP+#-8]\n" \
"SUB A0StP, A0StP, #40\n" \
" MOV RAPF, %1\n" \
"27: MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"28: MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"29: SUB %3, %3, #32\n" \
"30: MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"31: MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"32: SUB %0, %0, #8\n" \
"33: SETL [%0++], D0.7, D1.7\n" \
" SUB %3, %3, #32\n" \
"1: DCACHE [%1+#-64], D0Ar6\n" \
" GETL D0Ar6, D1Ar5, [A0StP+#-40]\n" \
" GETL D0FrT, D1RtP, [A0StP+#-32]\n" \
" GETL D0.5, D1.5, [A0StP+#-24]\n" \
" GETL D0.6, D1.6, [A0StP+#-16]\n" \
" GETL D0.7, D1.7, [A0StP+#-8]\n" \
" SUB A0StP, A0StP, #40\n" \
" .section .fixup,\"ax\"\n" \
"4:\n" \
" ADD %0, %0, #8\n" \
"3:\n" \
" MOV D0Ar2, TXSTATUS\n" \
"4: ADD %0, %0, #8\n" \
"3: MOV D0Ar2, TXSTATUS\n" \
" MOV D1Ar1, TXSTATUS\n" \
" AND D1Ar1, D1Ar1, #0xFFFFF8FF\n" \
" MOV TXSTATUS, D1Ar1\n" \
FIXUP \
" MOVT D0Ar2,#HI(1b)\n" \
" JUMP D0Ar2,#LO(1b)\n" \
" MOVT D0Ar2, #HI(1b)\n" \
" JUMP D0Ar2, #LO(1b)\n" \
" .previous\n" \
" .section __ex_table,\"a\"\n" \
" .long 21b,3b\n" \
......@@ -397,89 +381,61 @@
#define __asm_copy_user_32bit_rapf_loop( \
to, from, ret, n, id, FIXUP) \
asm volatile ( \
".balign 8\n" \
"MOV RAPF, %1\n" \
"MSETL [A0StP++], D0Ar6, D0FrT, D0.5, D0.6, D0.7\n" \
"MOV D0Ar6, #0\n" \
"LSR D1Ar5, %3, #6\n" \
"SUB TXRPT, D1Ar5, #2\n" \
"MOV RAPF, %1\n" \
"$Lloop"id":\n" \
"ADD RAPF, %1, #64\n" \
"21:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"22:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"23:\n" \
"SUB %3, %3, #16\n" \
"24:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"25:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"26:\n" \
"SUB %3, %3, #16\n" \
"27:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"28:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"29:\n" \
"SUB %3, %3, #16\n" \
"30:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"31:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"32:\n" \
"SUB %3, %3, #16\n" \
"DCACHE [%1+#-64], D0Ar6\n" \
"BR $Lloop"id"\n" \
".balign 8\n" \
" MOV RAPF, %1\n" \
" MSETL [A0StP++], D0Ar6, D0FrT, D0.5, D0.6, D0.7\n" \
" MOV D0Ar6, #0\n" \
" LSR D1Ar5, %3, #6\n" \
" SUB TXRPT, D1Ar5, #2\n" \
" MOV RAPF, %1\n" \
"$Lloop"id":\n" \
" ADD RAPF, %1, #64\n" \
"21: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"22: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"23: SUB %3, %3, #16\n" \
"24: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"25: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"26: SUB %3, %3, #16\n" \
"27: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"28: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"29: SUB %3, %3, #16\n" \
"30: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"31: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"32: SUB %3, %3, #16\n" \
" DCACHE [%1+#-64], D0Ar6\n" \
" BR $Lloop"id"\n" \
\
"MOV RAPF, %1\n" \
"33:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"34:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"35:\n" \
"SUB %3, %3, #16\n" \
"36:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"37:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"38:\n" \
"SUB %3, %3, #16\n" \
"39:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"40:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"41:\n" \
"SUB %3, %3, #16\n" \
"42:\n" \
"MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"43:\n" \
"MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"44:\n" \
"SUB %0, %0, #4\n" \
"45:\n" \
"SETD [%0++], D0.7\n" \
"SUB %3, %3, #16\n" \
"1:" \
"DCACHE [%1+#-64], D0Ar6\n" \
"GETL D0Ar6, D1Ar5, [A0StP+#-40]\n" \
"GETL D0FrT, D1RtP, [A0StP+#-32]\n" \
"GETL D0.5, D1.5, [A0StP+#-24]\n" \
"GETL D0.6, D1.6, [A0StP+#-16]\n" \
"GETL D0.7, D1.7, [A0StP+#-8]\n" \
"SUB A0StP, A0StP, #40\n" \
" MOV RAPF, %1\n" \
"33: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"34: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"35: SUB %3, %3, #16\n" \
"36: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"37: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"38: SUB %3, %3, #16\n" \
"39: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"40: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"41: SUB %3, %3, #16\n" \
"42: MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \
"43: MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \
"44: SUB %0, %0, #4\n" \
"45: SETD [%0++], D0.7\n" \
" SUB %3, %3, #16\n" \
"1: DCACHE [%1+#-64], D0Ar6\n" \
" GETL D0Ar6, D1Ar5, [A0StP+#-40]\n" \
" GETL D0FrT, D1RtP, [A0StP+#-32]\n" \
" GETL D0.5, D1.5, [A0StP+#-24]\n" \
" GETL D0.6, D1.6, [A0StP+#-16]\n" \
" GETL D0.7, D1.7, [A0StP+#-8]\n" \
" SUB A0StP, A0StP, #40\n" \
" .section .fixup,\"ax\"\n" \
"4:\n" \
" ADD %0, %0, #4\n" \
"3:\n" \
" MOV D0Ar2, TXSTATUS\n" \
"4: ADD %0, %0, #4\n" \
"3: MOV D0Ar2, TXSTATUS\n" \
" MOV D1Ar1, TXSTATUS\n" \
" AND D1Ar1, D1Ar1, #0xFFFFF8FF\n" \
" MOV TXSTATUS, D1Ar1\n" \
FIXUP \
" MOVT D0Ar2,#HI(1b)\n" \
" JUMP D0Ar2,#LO(1b)\n" \
" MOVT D0Ar2, #HI(1b)\n" \
" JUMP D0Ar2, #LO(1b)\n" \
" .previous\n" \
" .section __ex_table,\"a\"\n" \
" .long 21b,3b\n" \
......
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