updated to warm r2
This commit is contained in:
parent
4cadce9738
commit
c872443f88
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@ -10,8 +10,12 @@ STRIP = $(PREFIX)/bin/arm-open2x-linux-strip
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OBJS = main.o cpu.o memory.u video.o input.o sound.o gp2x.o gui.o \
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cheats.o zip.o cpu_threaded.z arm_stub.o video_blend.o \
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warm.o sys_cacheflush.o upscale_aspect.o
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BIN = gpsp.gpe
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warm.o upscale_aspect.o
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ifeq ($(WIZ),1)
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BIN = gpsp_wiz
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else
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BIN = gpsp_gp2x
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endif
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# Platform specific definitions
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@ -31,9 +35,6 @@ ifneq ($(WIZ),1)
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LIBS += -static
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endif
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#CFLAGS += -ggdb
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#LIBS += -ggdb
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# Compilation:
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.SUFFIXES: .c
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@ -54,7 +55,7 @@ endif
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$(CC) $(ASFLAGS) $(INCLUDES) -c -o $@ $<
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all: $(OBJS)
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$(CC) $(OBJS) $(LIBS) -o $(BIN)
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$(CC) $(OBJS) $(LIBS) -o $(BIN)
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$(STRIP) $(BIN)
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clean:
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@ -1,29 +0,0 @@
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@ vim:filetype=armasm
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#include <sys/syscall.h>
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.global sys_cacheflush @ void *start_addr, void *end_addr
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sys_cacheflush:
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mov r2, #0
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#ifdef __ARM_EABI__
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/* EABI version */
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str r7, [sp, #-4]!
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mov r7, #(__ARM_NR_cacheflush & 0xff)
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orr r7, r7, #(__ARM_NR_cacheflush & 0x00ff00)
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orr r7, r7, #(__ARM_NR_cacheflush & 0xff0000)
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swi 0
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ldr r7, [sp], #4
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#else
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/* OABI */
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swi __ARM_NR_cacheflush
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#endif
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bx lr
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.global spend_cycles
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spend_cycles:
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mov r0,r0,lsr #2
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0:subs r0, r0, #1
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bne 0b
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bx lr
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@ -1,3 +0,0 @@
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void sys_cacheflush(void *start_addr, void *end_addr);
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109
gp2x/warm.c
109
gp2x/warm.c
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@ -36,18 +36,77 @@
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/utsname.h>
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#include <sys/syscall.h>
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#include <errno.h>
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#define WARM_CODE
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#include "warm.h"
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#include "sys_cacheflush.h"
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extern long init_module(void *, unsigned long, const char *); /* provided by glibc */
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static int warm_fd = -1;
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static int kernel_version;
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static void sys_cacheflush(void *start, void *end)
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{
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#ifdef __ARM_EABI__
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/* EABI version */
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int num = __ARM_NR_cacheflush;
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__asm__("mov r0, %0 ;"
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"mov r1, %1 ;"
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"mov r2, #0 ;"
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"mov r7, %2 ;"
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"swi 0" : : "r" (start), "r" (end), "r" (num)
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: "r0", "r1", "r2", "r3", "r7");
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#else
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/* OABI */
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__asm__("mov r0, %0 ;"
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"mov r1, %1 ;"
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"mov r2, #0 ;"
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"swi %2" : : "r" (start), "r" (end), "i" __ARM_NR_cacheflush
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: "r0", "r1", "r2", "r3");
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#endif
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}
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static int manual_insmod_26(const char *fname, const char *opts)
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{
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unsigned long len, read_len;
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int ret = -1;
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void *buff;
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FILE *f;
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f = fopen(fname, "rb");
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if (f == NULL)
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return -1;
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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fseek(f, 0, SEEK_SET);
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buff = malloc(len);
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if (buff == NULL)
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goto fail0;
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read_len = fread(buff, 1, len, f);
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if (read_len != len) {
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fprintf(stderr, "failed to read module\n");
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goto fail1;
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}
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ret = init_module(buff, len, opts);
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fail1:
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free(buff);
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fail0:
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fclose(f);
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return ret;
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}
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int warm_init(void)
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{
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struct utsname unm;
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char buff[128];
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char buff1[32], buff2[128];
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int ret;
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warm_fd = open("/proc/warm", O_RDWR);
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if (warm_fd >= 0)
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@ -55,23 +114,56 @@ int warm_init(void)
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memset(&unm, 0, sizeof(unm));
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uname(&unm);
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snprintf(buff, sizeof(buff), "/sbin/insmod warm_%s.ko", unm.release);
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if (strlen(unm.release) < 3 || unm.release[1] != '.') {
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fprintf(stderr, "unexpected version string: %s\n", unm.release);
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goto fail;
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}
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kernel_version = ((unm.release[0] - '0') << 4) | (unm.release[2] - '0');
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snprintf(buff1, sizeof(buff1), "warm_%s.%s", unm.release, kernel_version >= 0x26 ? "ko" : "o");
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snprintf(buff2, sizeof(buff2), "/sbin/insmod %s verbose=1", buff1);
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/* try to insmod */
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system(buff);
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ret = system(buff2);
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if (ret != 0) {
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fprintf(stderr, "system/insmod failed: %d %d\n", ret, errno);
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if (kernel_version >= 0x26) {
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ret = manual_insmod_26(buff1, "verbose=1");
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if (ret != 0)
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fprintf(stderr, "manual insmod also failed: %d\n", ret);
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}
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}
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warm_fd = open("/proc/warm", O_RDWR);
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if (warm_fd >= 0)
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return 0;
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fail:
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fprintf(stderr, "wARM: can't init, acting as sys_cacheflush wrapper\n");
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return -1;
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}
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void warm_finish(void)
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{
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if (warm_fd >= 0)
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close(warm_fd);
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system("rmmod warm");
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char cmd[64];
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if (warm_fd < 0)
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return;
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close(warm_fd);
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warm_fd = -1;
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if (kernel_version < 0x26) {
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struct utsname unm;
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memset(&unm, 0, sizeof(unm));
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uname(&unm);
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snprintf(cmd, sizeof(cmd), "/sbin/rmmod warm_%s", unm.release);
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}
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else
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strcpy(cmd, "/sbin/rmmod warm");
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system(cmd);
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}
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int warm_cache_op_range(int op, void *addr, unsigned long size)
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int ret;
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if (warm_fd < 0) {
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/* note that this won't work for warm_cache_op_all */
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sys_cacheflush(addr, (char *)addr + size);
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return -1;
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}
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@ -99,7 +192,7 @@ int warm_cache_op_range(int op, void *addr, unsigned long size)
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int warm_cache_op_all(int op)
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{
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return warm_cache_op_range(op, NULL, (size_t)-1);
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return warm_cache_op_range(op, NULL, (unsigned long)-1);
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}
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int warm_change_cb_range(int cb, int is_set, void *addr, unsigned long size)
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