diff options
Diffstat (limited to 'arch/h8300/lib')
-rw-r--r-- | arch/h8300/lib/Makefile | 9 | ||||
-rw-r--r-- | arch/h8300/lib/abs.S | 21 | ||||
-rw-r--r-- | arch/h8300/lib/ashldi3.c | 25 | ||||
-rw-r--r-- | arch/h8300/lib/ashrdi3.c | 25 | ||||
-rw-r--r-- | arch/h8300/lib/delay.c | 41 | ||||
-rw-r--r-- | arch/h8300/lib/libgcc.h | 78 | ||||
-rw-r--r-- | arch/h8300/lib/lshrdi3.c | 24 | ||||
-rw-r--r-- | arch/h8300/lib/memcpy.S | 86 | ||||
-rw-r--r-- | arch/h8300/lib/memset.S | 70 | ||||
-rw-r--r-- | arch/h8300/lib/moddivsi3.S | 73 | ||||
-rw-r--r-- | arch/h8300/lib/modsi3.S | 73 | ||||
-rw-r--r-- | arch/h8300/lib/muldi3.c | 45 | ||||
-rw-r--r-- | arch/h8300/lib/mulsi3.S | 39 | ||||
-rw-r--r-- | arch/h8300/lib/ucmpdi2.c | 18 | ||||
-rw-r--r-- | arch/h8300/lib/udivsi3.S | 77 |
15 files changed, 0 insertions, 704 deletions
diff --git a/arch/h8300/lib/Makefile b/arch/h8300/lib/Makefile deleted file mode 100644 index 5911c1fa856d..000000000000 --- a/arch/h8300/lib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for H8/300-specific library files.. -# - -lib-y = memcpy.o memset.o abs.o \ - mulsi3.o udivsi3.o muldi3.o moddivsi3.o \ - ashldi3.o lshrdi3.o ashrdi3.o ucmpdi2.o \ - delay.o diff --git a/arch/h8300/lib/abs.S b/arch/h8300/lib/abs.S deleted file mode 100644 index 6e1a4ed3af53..000000000000 --- a/arch/h8300/lib/abs.S +++ /dev/null @@ -1,21 +0,0 @@ -;;; SPDX-License-Identifier: GPL-2.0 -;;; abs.S - -#include <asm/linkage.h> - -#if defined(CONFIG_CPU_H8300H) - .h8300h -#endif -#if defined(CONFIG_CPU_H8S) - .h8300s -#endif - .text -.global _abs - -;;; int abs(int n) -_abs: - mov.l er0,er0 - bpl 1f - neg.l er0 -1: - rts diff --git a/arch/h8300/lib/ashldi3.c b/arch/h8300/lib/ashldi3.c deleted file mode 100644 index 430720c0c5d8..000000000000 --- a/arch/h8300/lib/ashldi3.c +++ /dev/null @@ -1,25 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "libgcc.h" - -DWtype -__ashldi3(DWtype u, word_type b) -{ - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (b == 0) - return u; - - if (bm <= 0) { - w.s.low = 0; - w.s.high = (UWtype) uu.s.low << -bm; - } else { - const UWtype carries = (UWtype) uu.s.low >> bm; - - w.s.low = (UWtype) uu.s.low << b; - w.s.high = ((UWtype) uu.s.high << b) | carries; - } - - return w.ll; -} diff --git a/arch/h8300/lib/ashrdi3.c b/arch/h8300/lib/ashrdi3.c deleted file mode 100644 index 2c6cd424eb3e..000000000000 --- a/arch/h8300/lib/ashrdi3.c +++ /dev/null @@ -1,25 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "libgcc.h" - -DWtype __ashrdi3(DWtype u, word_type b) -{ - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (b == 0) - return u; - - if (bm <= 0) { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (Wtype) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } else { - const UWtype carries = (UWtype) uu.s.high << bm; - - w.s.high = uu.s.high >> b; - w.s.low = ((UWtype) uu.s.low >> b) | carries; - } - - return w.ll; -} diff --git a/arch/h8300/lib/delay.c b/arch/h8300/lib/delay.c deleted file mode 100644 index f4277529a9b9..000000000000 --- a/arch/h8300/lib/delay.c +++ /dev/null @@ -1,41 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * delay loops - * - * Copyright (C) 2015 Yoshinori Sato - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <asm/param.h> -#include <asm/processor.h> -#include <asm/timex.h> - -void __delay(unsigned long cycles) -{ - __asm__ volatile ("1: dec.l #1,%0\n\t" - "bne 1b":"=r"(cycles):"0"(cycles)); -} -EXPORT_SYMBOL(__delay); - -void __const_udelay(unsigned long xloops) -{ - u64 loops; - - loops = (u64)xloops * loops_per_jiffy * HZ; - - __delay(loops >> 32); -} -EXPORT_SYMBOL(__const_udelay); - -void __udelay(unsigned long usecs) -{ - __const_udelay(usecs * 0x10C7UL); /* 2**32 / 1000000 (rounded up) */ -} -EXPORT_SYMBOL(__udelay); - -void __ndelay(unsigned long nsecs) -{ - __const_udelay(nsecs * 0x5UL); /* 2**32 / 1000000000 (rounded up) */ -} -EXPORT_SYMBOL(__ndelay); diff --git a/arch/h8300/lib/libgcc.h b/arch/h8300/lib/libgcc.h deleted file mode 100644 index b8bcf7035ff5..000000000000 --- a/arch/h8300/lib/libgcc.h +++ /dev/null @@ -1,78 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __H8300_LIBGCC_H__ -#define __H8300_LIBGCC_H__ - -#ifdef __ASSEMBLY__ -#define A0 r0 -#define A0L r0l -#define A0H r0h - -#define A1 r1 -#define A1L r1l -#define A1H r1h - -#define A2 r2 -#define A2L r2l -#define A2H r2h - -#define A3 r3 -#define A3L r3l -#define A3H r3h - -#define S0 r4 -#define S0L r4l -#define S0H r4h - -#define S1 r5 -#define S1L r5l -#define S1H r5h - -#define S2 r6 -#define S2L r6l -#define S2H r6h - -#define PUSHP push.l -#define POPP pop.l - -#define A0P er0 -#define A1P er1 -#define A2P er2 -#define A3P er3 -#define S0P er4 -#define S1P er5 -#define S2P er6 - -#define A0E e0 -#define A1E e1 -#define A2E e2 -#define A3E e3 -#else -#define Wtype SItype -#define UWtype USItype -#define HWtype SItype -#define UHWtype USItype -#define DWtype DItype -#define UDWtype UDItype -#define UWtype USItype -#define Wtype SItype -#define UWtype USItype -#define W_TYPE_SIZE (4 * BITS_PER_UNIT) -#define BITS_PER_UNIT (8) - -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); -struct DWstruct { - Wtype high, low; -}; -typedef union { - struct DWstruct s; - DWtype ll; -} DWunion; - -typedef int word_type __attribute__ ((mode (__word__))); - -#endif - -#endif diff --git a/arch/h8300/lib/lshrdi3.c b/arch/h8300/lib/lshrdi3.c deleted file mode 100644 index 8dbc861ca589..000000000000 --- a/arch/h8300/lib/lshrdi3.c +++ /dev/null @@ -1,24 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "libgcc.h" - -DWtype __lshrdi3(DWtype u, word_type b) -{ - const DWunion uu = {.ll = u}; - const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; - DWunion w; - - if (b == 0) - return u; - - if (bm <= 0) { - w.s.high = 0; - w.s.low = (UWtype) uu.s.high >> -bm; - } else { - const UWtype carries = (UWtype) uu.s.high << bm; - - w.s.high = (UWtype) uu.s.high >> b; - w.s.low = ((UWtype) uu.s.low >> b) | carries; - } - - return w.ll; -} diff --git a/arch/h8300/lib/memcpy.S b/arch/h8300/lib/memcpy.S deleted file mode 100644 index f1cd67d5e3ea..000000000000 --- a/arch/h8300/lib/memcpy.S +++ /dev/null @@ -1,86 +0,0 @@ -;;; SPDX-License-Identifier: GPL-2.0 -;;; memcpy.S - -#include <asm/linkage.h> - -#if defined(CONFIG_CPU_H8300H) - .h8300h -#endif -#if defined(CONFIG_CPU_H8S) - .h8300s -#endif - .text -.global memcpy - -;;; void *memcpy(void *to, void *from, size_t n) -memcpy: - mov.l er2,er2 - bne 1f - rts -1: - ;; address check - bld #0,r0l - bxor #0,r1l - bcs 4f - mov.l er4,@-sp - mov.l er0,@-sp - btst #0,r0l - beq 1f - ;; (aligned even) odd address - mov.b @er1,r3l - mov.b r3l,@er0 - adds #1,er1 - adds #1,er0 - dec.l #1,er2 - beq 3f -1: - ;; n < sizeof(unsigned long) check - sub.l er4,er4 - adds #4,er4 ; loop count check value - cmp.l er4,er2 - blo 2f - ;; unsigned long copy -1: - mov.l @er1,er3 - mov.l er3,@er0 - adds #4,er0 - adds #4,er1 - subs #4,er2 - cmp.l er4,er2 - bcc 1b - ;; rest -2: - mov.l er2,er2 - beq 3f -1: - mov.b @er1,r3l - mov.b r3l,@er0 - adds #1,er1 - adds #1,er0 - dec.l #1,er2 - bne 1b -3: - mov.l @sp+,er0 - mov.l @sp+,er4 - rts - - ;; odd <- even / even <- odd -4: - mov.l er4,er3 - mov.l er2,er4 - mov.l er5,er2 - mov.l er1,er5 - mov.l er6,er1 - mov.l er0,er6 -1: - eepmov.w - mov.w r4,r4 - bne 1b - dec.w #1,e4 - bpl 1b - mov.l er1,er6 - mov.l er2,er5 - mov.l er3,er4 - rts - - .end diff --git a/arch/h8300/lib/memset.S b/arch/h8300/lib/memset.S deleted file mode 100644 index 2d1abc37fd08..000000000000 --- a/arch/h8300/lib/memset.S +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* memset.S */ - -#include <asm/linkage.h> - -#if defined(CONFIG_CPU_H8300H) - .h8300h -#endif -#if defined(CONFIG_CPU_H8S) - .h8300s -#endif - .text - -.global memset -.global clear_user - -;;void *memset(*ptr, int c, size_t count) -;; ptr = er0 -;; c = er1(r1l) -;; count = er2 -memset: - btst #0,r0l - beq 2f - - ;; odd address -1: - mov.b r1l,@er0 - adds #1,er0 - dec.l #1,er2 - beq 6f - - ;; even address -2: - mov.l er2,er3 - cmp.l #4,er2 - blo 4f - ;; count>=4 -> count/4 -#if defined(CONFIG_CPU_H8300H) - shlr.l er2 - shlr.l er2 -#endif -#if defined(CONFIG_CPU_H8S) - shlr.l #2,er2 -#endif - ;; byte -> long - mov.b r1l,r1h - mov.w r1,e1 -3: - mov.l er1,@er0 - adds #4,er0 - dec.l #1,er2 - bne 3b -4: - ;; count % 4 - and.b #3,r3l - beq 6f -5: - mov.b r1l,@er0 - adds #1,er0 - dec.b r3l - bne 5b -6: - rts - -clear_user: - mov.l er1, er2 - sub.l er1, er1 - bra memset - - .end diff --git a/arch/h8300/lib/moddivsi3.S b/arch/h8300/lib/moddivsi3.S deleted file mode 100644 index 9e33ab0456c7..000000000000 --- a/arch/h8300/lib/moddivsi3.S +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include "libgcc.h" - -; numerator in A0/A1 -; denominator in A2/A3 - .global __modsi3 -__modsi3: - PUSHP S2P - bsr modnorm - bsr __divsi3 - mov.l er3,er0 - bra exitdiv - - .global __umodsi3 -__umodsi3: - bsr __udivsi3:16 - mov.l er3,er0 - rts - - .global __divsi3 -__divsi3: - PUSHP S2P - bsr divnorm - bsr __udivsi3:16 - - ; examine what the sign should be -exitdiv: - btst #3,S2L - beq reti - - ; should be -ve - neg.l A0P - -reti: - POPP S2P - rts - -divnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge postive - - neg.l A0P ; negate arg - -postive: - mov.l A1P,A1P ; is the denominator -ve - bge postive2 - - neg.l A1P ; negate arg - xor.b #0x08,S2L ; toggle the result sign - -postive2: - rts - -;; Basically the same, except that the sign of the divisor determines -;; the sign. -modnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge mpostive - - neg.l A0P ; negate arg - -mpostive: - mov.l A1P,A1P ; is the denominator -ve - bge mpostive2 - - neg.l A1P ; negate arg - -mpostive2: - rts - - .end diff --git a/arch/h8300/lib/modsi3.S b/arch/h8300/lib/modsi3.S deleted file mode 100644 index bdc8a002921d..000000000000 --- a/arch/h8300/lib/modsi3.S +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include "libgcc.h" - -; numerator in A0/A1 -; denominator in A2/A3 - .global __modsi3 -__modsi3: - PUSHP S2P - bsr modnorm - bsr __divsi3 - mov.l er3,er0 - bra exitdiv - - .global __umodsi3 -__umodsi3: - bsr __udivsi3 - mov.l er3,er0 - rts - - .global __divsi3 -__divsi3: - PUSHP S2P - jsr divnorm - bsr __udivsi3 - - ; examine what the sign should be -exitdiv: - btst #3,S2L - beq reti - - ; should be -ve - neg.l A0P - -reti: - POPP S2P - rts - -divnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge postive - - neg.l A0P ; negate arg - -postive: - mov.l A1P,A1P ; is the denominator -ve - bge postive2 - - neg.l A1P ; negate arg - xor.b #0x08,S2L ; toggle the result sign - -postive2: - rts - -;; Basically the same, except that the sign of the divisor determines -;; the sign. -modnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge mpostive - - neg.l A0P ; negate arg - -mpostive: - mov.l A1P,A1P ; is the denominator -ve - bge mpostive2 - - neg.l A1P ; negate arg - -mpostive2: - rts - - .end diff --git a/arch/h8300/lib/muldi3.c b/arch/h8300/lib/muldi3.c deleted file mode 100644 index 9cb11b134e54..000000000000 --- a/arch/h8300/lib/muldi3.c +++ /dev/null @@ -1,45 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "libgcc.h" - -#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) -#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) - -#define umul_ppmm(w1, w0, u, v) \ - do { \ - UWtype __x0, __x1, __x2, __x3; \ - UHWtype __ul, __vl, __uh, __vh; \ - __ul = __ll_lowpart(u); \ - __uh = __ll_highpart(u); \ - __vl = __ll_lowpart(v); \ - __vh = __ll_highpart(v); \ - __x0 = (UWtype) __ul * __vl; \ - __x1 = (UWtype) __ul * __vh; \ - __x2 = (UWtype) __uh * __vl; \ - __x3 = (UWtype) __uh * __vh; \ - __x1 += __ll_highpart(__x0); \ - __x1 += __x2; \ - if (__x1 < __x2) \ - __x3 += __ll_B; \ - (w1) = __x3 + __ll_highpart(__x1); \ - (w0) = __ll_lowpart(__x1) * __ll_B + __ll_lowpart(__x0); \ - } while (0) - -#define __umulsidi3(u, v) ( \ - { \ - DWunion __w; \ - umul_ppmm(__w.s.high, __w.s.low, u, v); \ - __w.ll; } \ - ) - -DWtype __muldi3(DWtype u, DWtype v) -{ - const DWunion uu = {.ll = u}; - const DWunion vv = {.ll = v}; - DWunion w = {.ll = __umulsidi3(uu.s.low, vv.s.low)}; - - w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high - + (UWtype) uu.s.high * (UWtype) vv.s.low); - - return w.ll; -} diff --git a/arch/h8300/lib/mulsi3.S b/arch/h8300/lib/mulsi3.S deleted file mode 100644 index 5a062fd298d1..000000000000 --- a/arch/h8300/lib/mulsi3.S +++ /dev/null @@ -1,39 +0,0 @@ -; SPDX-License-Identifier: GPL-2.0 -; -; mulsi3 for H8/300H - based on Renesas SH implementation -; -; by Toshiyasu Morita -; -; Old code: -; -; 16b * 16b = 372 states (worst case) -; 32b * 32b = 724 states (worst case) -; -; New code: -; -; 16b * 16b = 48 states -; 16b * 32b = 72 states -; 32b * 32b = 92 states -; - - .global __mulsi3 -__mulsi3: - mov.w r1,r2 ; ( 2 states) b * d - mulxu r0,er2 ; (22 states) - - mov.w e0,r3 ; ( 2 states) a * d - beq L_skip1 ; ( 4 states) - mulxu r1,er3 ; (22 states) - add.w r3,e2 ; ( 2 states) - -L_skip1: - mov.w e1,r3 ; ( 2 states) c * b - beq L_skip2 ; ( 4 states) - mulxu r0,er3 ; (22 states) - add.w r3,e2 ; ( 2 states) - -L_skip2: - mov.l er2,er0 ; ( 2 states) - rts ; (10 states) - - .end diff --git a/arch/h8300/lib/ucmpdi2.c b/arch/h8300/lib/ucmpdi2.c deleted file mode 100644 index 9f646885f3d7..000000000000 --- a/arch/h8300/lib/ucmpdi2.c +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "libgcc.h" - -word_type __ucmpdi2(DWtype a, DWtype b) -{ - const DWunion au = {.ll = a}; - const DWunion bu = {.ll = b}; - - if ((UWtype) au.s.high < (UWtype) bu.s.high) - return 0; - else if ((UWtype) au.s.high > (UWtype) bu.s.high) - return 2; - if ((UWtype) au.s.low < (UWtype) bu.s.low) - return 0; - else if ((UWtype) au.s.low > (UWtype) bu.s.low) - return 2; - return 1; -} diff --git a/arch/h8300/lib/udivsi3.S b/arch/h8300/lib/udivsi3.S deleted file mode 100644 index b810aba8e100..000000000000 --- a/arch/h8300/lib/udivsi3.S +++ /dev/null @@ -1,77 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include "libgcc.h" - - ;; This function also computes the remainder and stores it in er3. - .global __udivsi3 -__udivsi3: - mov.w A1E,A1E ; denominator top word 0? - bne DenHighNonZero - - ; do it the easy way, see page 107 in manual - mov.w A0E,A2 - extu.l A2P - divxu.w A1,A2P - mov.w A2E,A0E - divxu.w A1,A0P - mov.w A0E,A3 - mov.w A2,A0E - extu.l A3P - rts - - ; er0 = er0 / er1 - ; er3 = er0 % er1 - ; trashes er1 er2 - ; expects er1 >= 2^16 -DenHighNonZero: - mov.l er0,er3 - mov.l er1,er2 -#ifdef CONFIG_CPU_H8300H -divmod_L21: - shlr.l er0 - shlr.l er2 ; make divisor < 2^16 - mov.w e2,e2 - bne divmod_L21 -#else - shlr.l #2,er2 ; make divisor < 2^16 - mov.w e2,e2 - beq divmod_L22A -divmod_L21: - shlr.l #2,er0 -divmod_L22: - shlr.l #2,er2 ; make divisor < 2^16 - mov.w e2,e2 - bne divmod_L21 -divmod_L22A: - rotxl.w r2 - bcs divmod_L23 - shlr.l er0 - bra divmod_L24 -divmod_L23: - rotxr.w r2 - shlr.l #2,er0 -divmod_L24: -#endif - ;; At this point, - ;; er0 contains shifted dividend - ;; er1 contains divisor - ;; er2 contains shifted divisor - ;; er3 contains dividend, later remainder - divxu.w r2,er0 ; r0 now contains the approximate quotient (AQ) - extu.l er0 - beq divmod_L25 - subs #1,er0 ; er0 = AQ - 1 - mov.w e1,r2 - mulxu.w r0,er2 ; er2 = upper (AQ - 1) * divisor - sub.w r2,e3 ; dividend - 65536 * er2 - mov.w r1,r2 - mulxu.w r0,er2 ; compute er3 = remainder (tentative) - sub.l er2,er3 ; er3 = dividend - (AQ - 1) * divisor -divmod_L25: - cmp.l er1,er3 ; is divisor < remainder? - blo divmod_L26 - adds #1,er0 - sub.l er1,er3 ; correct the remainder -divmod_L26: - rts - - .end |