add missing files not taken with github import
This commit is contained in:
Markus Fröschle
101
tos/bascook/Makefile
Executable file
101
tos/bascook/Makefile
Executable file
@@ -0,0 +1,101 @@
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CROSS=Y
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CROSSBINDIR_IS_Y=m68k-atari-mint-
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CROSSBINDIR_IS_N=
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CROSSBINDIR=$(CROSSBINDIR_IS_$(CROSS))
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UNAME := $(shell uname)
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ifeq ($(CROSS), Y)
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ifeq ($(UNAME),Linux)
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PREFIX=m68k-atari-mint
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HATARI=hatari
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else
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PREFIX=m68k-atari-mint
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HATARI=/usr/local/bin/hatari
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endif
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else
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PREFIX=/usr
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endif
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DEPEND=depend
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TOPDIR= ../..
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BAS_INCLUDE=-I$(TOPDIR)/../BaS_gcc/include
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LIBCMINI=$(TOPDIR)/../libcmini/libcmini
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INCLUDE=-I$(LIBCMINI)/include $(BAS_INCLUDE) -nostdlib
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LIBS=-lcmini -nostdlib -lgcc
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CC=$(PREFIX)/bin/gcc
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CC=$(CROSSBINDIR)gcc
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STRIP=$(CROSSBINDIR)strip
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STACK=$(CROSSBINDIR)stack
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APP=bascook.prg
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TEST_APP=$(APP)
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CFLAGS=\
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-Os\
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-g\
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-Wl,-Map,mapfile\
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-Wall
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SRCDIR=sources
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CSRCS=\
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$(SRCDIR)/bascook.c
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ASRCS=
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COBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.c,%.o,$(CSRCS)))
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AOBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.S,%.o,$(ASRCS)))
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OBJS=$(COBJS) $(AOBJS)
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TRGTDIRS=.
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OBJDIRS=$(patsubst %,%/objs,$(TRGTDIRS))
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#
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# multilib flags. These must match m68k-atari-mint-gcc -print-multi-lib output
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#
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$(APP):CFLAGS += -mcpu=5475
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all: $(TEST_APP)
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#
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# generate pattern rules for multilib object files.
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#
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define CC_TEMPLATE
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$(1)/objs/%.o:$(SRCDIR)/%.c
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@echo CC $$<
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@$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
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$(1)/objs/%.o:$(SRCDIR)/%.S
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@echo CC $$<
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@$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
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$(1)_OBJS=$(patsubst %,$(1)/objs/%,$(OBJS))
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$(1)/$(APP): $$($(1)_OBJS)
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@echo CC $$<
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@$(CC) $$(CFLAGS) -o $$@ $(LIBCMINI)/m5475/startup.o $$($(1)_OBJS) -L$(LIBCMINI)/m5475 $(LIBS)
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@$(STRIP) $$@
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endef
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$(foreach DIR,$(TRGTDIRS),$(eval $(call CC_TEMPLATE,$(DIR))))
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$(DEPEND): $(ASRCS) $(CSRCS)
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@-rm -f $(DEPEND)
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@for d in $(TRGTDIRS);\
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do $(CC) $(CFLAGS) $(INCLUDE) -M $(ASRCS) $(CSRCS) | sed -e "s#^\(.*\).o:#$$d/objs/\1.o:#" >> $(DEPEND); \
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done
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clean:
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@rm -f $(patsubst %,%/objs/*.o,$(TRGTDIRS)) $(patsubst %,%/$(APP),$(TRGTDIRS))
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@rm -f $(DEPEND) mapfile
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.PHONY: printvars
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printvars:
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@$(foreach V,$(.VARIABLES), $(if $(filter-out environment% default automatic, $(origin $V)),$(warning $V=$($V))))
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ifneq (clean,$(MAKECMDGOALS))
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-include $(DEPEND)
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endif
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175
tos/bascook/sources/bascook.c
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175
tos/bascook/sources/bascook.c
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@@ -0,0 +1,175 @@
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#include <stdio.h>
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#include <mint/osbind.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "driver_vec.h"
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struct driver_table *get_bas_drivers(void)
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{
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struct driver_table *ret = NULL;
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__asm__ __volatile__(
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" bra.s do_trap \n\t"
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" .dc.l 0x5f424153 \n\t" // '_BAS'
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"do_trap: trap #0 \n\t"
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" move.l d0,%[ret] \n\t"
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: [ret] "=m" (ret) /* output */
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: /* no inputs */
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: /* clobbered */
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);
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return ret;
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}
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/*
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* temporarily replace the trap 0 handler with this so we can avoid
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* getting caught by BaS versions that don't understand the driver interface
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* exposure call.
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* If we get here, we have a BaS version that doesn't support the trap 0 interface
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*/
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static void __attribute__((interrupt)) trap0_catcher(void)
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{
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__asm__ __volatile__(
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" clr.l d0 \n\t" // return 0 to indicate not supported
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:
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:
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:
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);
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}
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static uint32_t cookieptr(void)
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{
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return * (uint32_t *) 0x5a0L;
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}
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void setcookie(uint32_t cookie, uint32_t value)
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{
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uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
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int num_slots;
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int max_slots;
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num_slots = max_slots = 0;
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do
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{
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if (cookiejar[0] == cookie)
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{
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cookiejar[1] = value;
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return;
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}
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cookiejar = &(cookiejar[2]);
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num_slots++;
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} while (cookiejar[-2]);
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/*
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* Here we are at the end of the list and did not find our cookie.
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* Let's check if there is any space left and append our value to the
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* list if so. If not, we are lost (extending the cookie jar does only
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* work from TSRs)
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*/
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if (cookiejar[-1])
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{
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max_slots = cookiejar[-1];
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}
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if (max_slots > num_slots)
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{
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/* relief, there is space left, extend the list */
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cookiejar[0] = cookiejar[-2];
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cookiejar[1] = cookiejar[-1];
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/* add the new element */
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cookiejar[-2] = cookie;
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cookiejar[-1] = value;
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}
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else
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printf("cannot set cookie, cookie jar is full!\r\n");
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}
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#define COOKIE_DMAC 0x444d4143L /* FireTOS DMA API cookie ("DMAC") */
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#define COOKIE_BAS_ 0x4241535fL /* BAS_ cookie (points to driver table struct */
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static char *dt_to_str(enum driver_type dt)
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{
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switch (dt)
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{
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case BLOCKDEV_DRIVER: return "generic block device driver";
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case CHARDEV_DRIVER: return "generic character device driver";
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case VIDEO_DRIVER: return "video/framebuffer driver";
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case XHDI_DRIVER: return "XHDI compatible hard disk driver";
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case MCD_DRIVER: return "multichannel DMA driver";
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case PCI_DRIVER: return "PCI interface driver";
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case MMU_DRIVER: return "MMU lock/unlock pages driver";
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case PCI_NATIVE_DRIVER: return "PCI interface native driver";
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default: return "unknown driver type";
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}
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}
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static void set_driver_cookies(void)
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{
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struct driver_table *dt;
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void *old_vector;
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char **sysbase = (char **) 0x4f2;
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uint32_t sig;
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sig = * (long *)((*sysbase) + 0x2c);
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/*
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* first check if we are on EmuTOS, FireTOS want's to do everything itself
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*/
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if (sig == 0x45544f53)
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{
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old_vector = Setexc(0x20, trap0_catcher); /* set our own temporarily */
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dt = get_bas_drivers(); /* trap #0 */
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(void) Setexc(0x20, old_vector); /* restore original vector */
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if (dt)
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{
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struct generic_interface *ifc = &dt->interfaces[0];
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printf("BaS driver table found at %p, BaS version is %d.%d\r\n", dt,
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dt->bas_version, dt->bas_revision);
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while (ifc->type != END_OF_DRIVERS)
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{
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printf("driver \"%s (%s)\" found,\r\n"
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"interface type is %d (%s),\r\n"
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"version %d.%d\r\n\r\n",
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ifc->name, ifc->description, ifc->type, dt_to_str(ifc->type),
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ifc->version, ifc->revision);
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if (ifc->type == MCD_DRIVER)
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{
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setcookie(COOKIE_DMAC, (uint32_t) ifc->interface.dma);
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printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
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}
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ifc++;
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}
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/*
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* set cookie to be able to find the driver table later on
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*/
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setcookie(COOKIE_BAS_, (uint32_t) dt);
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printf("BAS_ cookie set to %p\r\n", dt);
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}
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else
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{
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printf("driver table not found.\r\n");
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}
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}
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else
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{
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printf("not running on EmuTOS,\r\n(signature 0x%04x instead of 0x%04x\r\n",
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(uint32_t) sig, 0x45544f53);
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}
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}
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int main(int argc, char *argv[])
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{
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(void) Cconws("retrieve BaS driver interface\r\n");
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Supexec(set_driver_cookies);
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while (Cconis()) Cconin(); /* eat keys */
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return 0;
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}
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