Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* fls.S: SPARC default fls definition.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * SPARC default fls definition, which follows the same algorithm as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * in generic fls(). This function will be boot time patched on T4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * and onward.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <asm/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	.text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	.register	%g2, #scratch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	.register	%g3, #scratch
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) ENTRY(fls)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	brz,pn	%o0, 6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	 mov	0, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	sethi	%hi(0xffff0000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	mov	%o0, %g2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	andcc	%o0, %g3, %g0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	be,pt	%icc, 8f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	 mov	32, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	sethi	%hi(0xff000000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	andcc	%g2, %g3, %g0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	bne,pt	%icc, 3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	 sethi	%hi(0xf0000000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	sll	%o0, 8, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	add	%o1, -8, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	sra	%o0, 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	mov	%o0, %g2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	sethi	%hi(0xf0000000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	andcc	%g2, %g3, %g0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	bne,pt	%icc, 4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	 sethi	%hi(0xc0000000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	sll	%o0, 4, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	add	%o1, -4, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	sra	%o0, 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	mov	%o0, %g2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	andcc	%g2, %g3, %g0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	be,a,pt	%icc, 7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	 sll	%o0, 2, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	xnor	%g0, %o0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	srl	%o0, 31, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	sub	%o1, %o0, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	jmp	%o7 + 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	 sra	%o1, 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	add	%o1, -2, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	ba,pt	%xcc, 5b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	 sra	%o0, 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	sll	%o0, 16, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	sethi	%hi(0xff000000), %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	sra	%o0, 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	mov	%o0, %g2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	andcc	%g2, %g3, %g0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	bne,pt	%icc, 2b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	 mov	16, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	ba,pt	%xcc, 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	 sll	%o0, 8, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ENDPROC(fls)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) EXPORT_SYMBOL(fls)