From: notaz Date: Sun, 6 Aug 2017 20:02:28 +0000 (+0300) Subject: remove dead code X-Git-Tag: v1.92~53 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=commitdiff_plain;h=34e424aa2709dfc457d751f55cdbf5b881ae3ef4 remove dead code --- diff --git a/Makefile b/Makefile index 30b246f..ff8e032 100644 --- a/Makefile +++ b/Makefile @@ -42,7 +42,6 @@ asm_memory ?= 1 asm_render ?= 1 asm_ym2612 ?= 1 asm_misc ?= 1 -asm_cdpico ?= 1 asm_cdmemory ?= 1 asm_mix ?= 1 else # if not arm @@ -54,7 +53,6 @@ endif ifneq "$(use_cyclone)" "1" # due to CPU stop flag access -asm_cdpico = 0 asm_cdmemory = 0 endif diff --git a/Makefile.libretro b/Makefile.libretro index 96e4fe9..5d5f472 100644 --- a/Makefile.libretro +++ b/Makefile.libretro @@ -25,7 +25,6 @@ asm_memory = 0 asm_render = 0 asm_ym2612 = 0 asm_misc = 0 -asm_cdpico = 0 asm_cdmemory = 0 asm_mix = 0 @@ -138,7 +137,6 @@ asm_memory = 1 asm_render = 1 asm_ym2612 = 1 asm_misc = 1 -asm_cdpico = 1 asm_cdmemory = 1 asm_mix = 1 endif diff --git a/jni/Android.mk b/jni/Android.mk index 1b8b956..91b31fd 100644 --- a/jni/Android.mk +++ b/jni/Android.mk @@ -24,7 +24,6 @@ asm_memory = 0 asm_render = 0 asm_ym2612 = 0 asm_misc = 0 -asm_cdpico = 0 asm_cdmemory = 0 asm_mix = 0 @@ -43,7 +42,6 @@ ifeq ($(TARGET_ARCH),arm) asm_render = 1 asm_ym2612 = 1 asm_misc = 1 - asm_cdpico = 1 asm_cdmemory = 1 asm_mix = 1 else diff --git a/pico/cd/mcd_arm.s b/pico/cd/mcd_arm.s deleted file mode 100644 index 9159e28..0000000 --- a/pico/cd/mcd_arm.s +++ /dev/null @@ -1,185 +0,0 @@ -@* -@* CPU scheduling code -@* (C) notaz, 2007-2008 -@* -@* This work is licensed under the terms of MAME license. -@* See COPYING file in the top-level directory. -@* - -@ SekRunPS runs PicoCpuCM68k and PicoCpuCS68k interleaved in steps of PS_STEP_M68K -@ cycles. This is done without calling CycloneRun and jumping directly to -@ Cyclone code to avoid pushing/popping all the registers every time. - - -.equiv PS_STEP_M68K, ((488<<16)/20) @ ~24 - -@ .extern is ignored by gas, we add these here just to see what we depend on. -.extern CycloneJumpTab -.extern CycloneDoInterrupt -.extern PicoCpuCM68k -.extern PicoCpuCS68k -.extern SekCycleAim -.extern SekCycleCnt -.extern SekCycleAimS68k -.extern SekCycleCntS68k - - -.text -.align 4 - - -.global SekRunPS @ cyc_m68k, cyc_s68k - -SekRunPS: - stmfd sp!, {r4-r8,r10,r11,lr} - sub sp, sp, #2*4 @ sp[0] = main_cycle_cnt, sp[4] = run_cycle_cnt - - @ override CycloneEnd for both contexts - ldr r7, =PicoCpuCM68k - ldr lr, =PicoCpuCS68k - ldr r2, =CycloneEnd_M68k - ldr r3, =CycloneEnd_S68k - str r2, [r7,#0x98] - str r3, [lr,#0x98] - - @ update aims - ldr r8, =SekCycleAim - ldr r10,=SekCycleAimS68k - ldr r2, [r8] - ldr r3, [r10] - add r2, r2, r0 - add r3, r3, r1 - str r2, [r8] - str r3, [r10] - - ldr r6, =CycloneJumpTab - ldr r1, =SekCycleCnt - ldr r0, =((488<<16)-PS_STEP_M68K) - str r6, [r7,#0x54] - str r6, [lr,#0x54] @ make copies to avoid literal pools - - @ schedule m68k for the first time.. - ldr r1, [r1] - str r0, [sp] @ main target 'left cycle' counter - sub r1, r2, r1 - subs r5, r1, r0, asr #16 - ble schedule_s68k @ m68k has not enough cycles - - str r5, [sp,#4] @ run_cycle_cnt - b CycloneRunLocal - - - -CycloneEnd_M68k: - ldr r3, =SekCycleCnt - ldr r0, [sp,#4] @ run_cycle_cnt - ldr r1, [r3] - str r4, [r7,#0x40] ;@ Save Current PC + Memory Base - strb r10,[r7,#0x46] ;@ Save Flags (NZCV) - sub r0, r0, r5 @ subtract leftover cycles (which should be negative) - add r0, r0, r1 - str r0, [r3] - -schedule_s68k: - ldr r8, =SekCycleCntS68k - ldr r10,=SekCycleAimS68k - ldr r3, [sp] - ldr r8, [r8] - ldr r10,[r10] - - sub r0, r10, r8 - mov r2, r3 - add r3, r3, r2, asr #1 - add r3, r3, r2, asr #3 @ cycn_s68k = (cycn + cycn/2 + cycn/8) - - subs r5, r0, r3, asr #16 - ble schedule_m68k @ s68k has not enough cycles - - ldr r7, =PicoCpuCS68k - str r5, [sp,#4] @ run_cycle_cnt - b CycloneRunLocal - - - -CycloneEnd_S68k: - ldr r3, =SekCycleCntS68k - ldr r0, [sp,#4] @ run_cycle_cnt - ldr r1, [r3] - str r4, [r7,#0x40] ;@ Save Current PC + Memory Base - strb r10,[r7,#0x46] ;@ Save Flags (NZCV) - sub r0, r0, r5 @ subtract leftover cycles (should be negative) - add r0, r0, r1 - str r0, [r3] - -schedule_m68k: - ldr r1, =PS_STEP_M68K - ldr r3, [sp] @ main_cycle_cnt - ldr r8, =SekCycleCnt - ldr r10,=SekCycleAim - subs r3, r3, r1 - bmi SekRunPS_end - - ldr r8, [r8] - ldr r10,[r10] - str r3, [sp] @ update main_cycle_cnt - sub r0, r10, r8 - - subs r5, r0, r3, asr #16 - ble schedule_s68k @ m68k has not enough cycles - - ldr r7, =PicoCpuCM68k - str r5, [sp,#4] @ run_cycle_cnt - b CycloneRunLocal - - - -SekRunPS_end: - ldr r7, =PicoCpuCM68k - ldr lr, =PicoCpuCS68k - mov r0, #0 - str r0, [r7,#0x98] @ remove CycloneEnd handler - str r0, [lr,#0x98] - @ return - add sp, sp, #2*4 - ldmfd sp!, {r4-r8,r10,r11,pc} - - - -CycloneRunLocal: - ;@ r0-3 = Temporary registers - ldr r4,[r7,#0x40] ;@ r4 = Current PC + Memory Base - ;@ r5 = Cycles - ;@ r6 = Opcode Jump table - ;@ r7 = Pointer to Cpu Context - ;@ r8 = Current Opcode - ldrb r10,[r7,#0x46];@ r10 = Flags (NZCV) - ldr r1,[r7,#0x44] ;@ get SR high and IRQ level - orr r10,r10,r10,lsl #28 ;@ r10 = Flags 0xf0000000, cpsr format - -;@ CheckInterrupt: - movs r0,r1,lsr #24 ;@ Get IRQ level - beq NoIntsLocal - cmp r0,#6 ;@ irq>6 ? - andle r1,r1,#7 ;@ Get interrupt mask - cmple r0,r1 ;@ irq<=6: Is irq<=mask ? - bgt CycloneDoInterrupt -NoIntsLocal: - -;@ Check if our processor is in special state -;@ and jump to opcode handler if not - ldr r0,[r7,#0x58] ;@ state_flags - ldrh r8,[r4],#2 ;@ Fetch first opcode - tst r0,#0x03 ;@ special state? - andeq r10,r10,#0xf0000000 - ldreq pc,[r6,r8,asl #2] ;@ Jump to opcode handler - -CycloneSpecial2: - tst r0,#2 ;@ tracing? - bne CycloneDoTrace -;@ stopped or halted - sub r4,r4,#2 - ldr r1,[r7,#0x98] - mov r5,#0 - bx r1 - -@ vim:filetype=armasm diff --git a/platform/common/common.mak b/platform/common/common.mak index fb59ecf..0cf8a7e 100644 --- a/platform/common/common.mak +++ b/platform/common/common.mak @@ -8,7 +8,6 @@ asm_memory = 0 asm_render = 0 asm_ym2612 = 0 asm_misc = 0 -asm_cdpico = 0 asm_cdmemory = 0 asm_mix = 0 endif @@ -61,10 +60,6 @@ DEFINES += _ASM_MISC_C SRCS_COMMON += $(R)pico/misc_arm.s SRCS_COMMON += $(R)pico/cd/misc_arm.s endif -ifeq "$(asm_cdpico)" "1" -DEFINES += _ASM_CD_PICO_C -SRCS_COMMON += $(R)pico/cd/mcd_arm.s -endif ifeq "$(asm_cdmemory)" "1" DEFINES += _ASM_CD_MEMORY_C SRCS_COMMON += $(R)pico/cd/memory_arm.s diff --git a/platform/gizmondo/Makefile b/platform/gizmondo/Makefile index d7aab76..7df468d 100644 --- a/platform/gizmondo/Makefile +++ b/platform/gizmondo/Makefile @@ -7,7 +7,6 @@ asm_memory = 1 asm_render = 1 asm_ym2612 = 1 asm_misc = 1 -asm_cdpico = 1 asm_cdmemory = 1 amalgamate = 0 #profile = 1