Compare commits
5 Commits
R_0_8_6@11
...
pci_BaS_gc
| Author | SHA1 | Date | |
|---|---|---|---|
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8e6e28f5c0 | ||
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fa6e0f0177 | ||
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2b8162a1e1 | ||
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b0617246e2 | ||
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818cb2bcd7 |
@@ -29,7 +29,7 @@
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*/
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#define MAJOR_VERSION 0
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#define MINOR_VERSION 86
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#define MINOR_VERSION 85
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#endif /* VERSION_H_ */
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@@ -33,7 +33,7 @@
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#include "interrupts.h"
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#include "wait.h"
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//#define DEBUG_PCI
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#define DEBUG_PCI
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#ifdef DEBUG_PCI
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#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
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#else
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@@ -1,97 +0,0 @@
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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 ($(UNAME),Linux)
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PREFIX=m68k-atari-mint
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HATARI=hatari
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else
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PREFIX=m68k-atari-mint
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HATARI=/usr/local/bin/hatari
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endif
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else
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PREFIX=/usr
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endif
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DEPEND=depend
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TOPDIR = ../..
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INCLUDE=-I$(TOPDIR)/../libcmini/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=jtagwait.prg
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TEST_APP=$(APP)
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CFLAGS=\
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-Os\
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-g\
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-Wl,-Map,mapfile\
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-Wall
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SRCDIR=sources
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INCDIR=include
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INCLUDE+=-I$(INCDIR)
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CSRCS=\
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$(SRCDIR)/jtagwait.c
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ASRCS=
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COBJS=$(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) $(AOBJS)
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TRGTDIRS=./m5475 ./m5475/mshort
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OBJDIRS=$(patsubst %,%/objs,$(TRGTDIRS))
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#
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# multilib flags. These must match m68k-atari-mint-gcc -print-multi-lib output
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#
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m5475/$(APP):CFLAGS += -mcpu=5475
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m5475/mshort/$(APP): CFLAGS += -mcpu=5475 -mshort
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all:$(patsubst %,%/$(APP),$(TRGTDIRS))
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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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$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
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$(1)/objs/%.o:$(SRCDIR)/%.S
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$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
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$(1)_OBJS=$(patsubst %,$(1)/objs/%,$(OBJS))
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$(1)/$(APP): $$($(1)_OBJS)
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$(CC) $$(CFLAGS) -o $$@ $(TOPDIR)/../libcmini/$(1)/startup.o $$($(1)_OBJS) -L$(TOPDIR)/../libcmini/$(1) $(LIBS)
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$(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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@@ -1,125 +0,0 @@
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/*
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* driver_vec.h
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*
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* Interface for exposure of BaS drivers to the OS
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*
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* This file is part of BaS_gcc.
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*
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* BaS_gcc is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* BaS_gcc is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
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*
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* Created on: 24.10.2013
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* Author: Markus Fröschle
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*/
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#ifndef _DRIVER_VEC_H_
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#define _DRIVER_VEC_H_
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enum driver_type
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{
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END_OF_DRIVERS, /* marks end of driver list */
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BLOCKDEV_DRIVER,
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CHARDEV_DRIVER,
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VIDEO_DRIVER,
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XHDI_DRIVER,
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MCD_DRIVER,
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};
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struct generic_driver_interface
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{
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uint32_t (*init)(void);
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uint32_t (*read)(void *buf, size_t count);
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uint32_t (*write)(const void *buf, size_t count);
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uint32_t (*ioctl)(uint32_t request, ...);
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};
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/* Chained buffer descriptor */
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typedef volatile struct MCD_bufDesc_struct MCD_bufDesc;
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struct MCD_bufDesc_struct {
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uint32_t flags; /* flags describing the DMA */
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uint32_t csumResult; /* checksum from checksumming performed since last checksum reset */
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int8_t *srcAddr; /* the address to move data from */
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int8_t *destAddr; /* the address to move data to */
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int8_t *lastDestAddr; /* the last address written to */
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uint32_t dmaSize; /* the number of bytes to transfer independent of the transfer size */
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MCD_bufDesc *next; /* next buffer descriptor in chain */
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uint32_t info; /* private information about this descriptor; DMA does not affect it */
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};
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/* Progress Query struct */
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typedef volatile struct MCD_XferProg_struct {
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int8_t *lastSrcAddr; /* the most-recent or last, post-increment source address */
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int8_t *lastDestAddr; /* the most-recent or last, post-increment destination address */
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uint32_t dmaSize; /* the amount of data transferred for the current buffer */
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MCD_bufDesc *currBufDesc;/* pointer to the current buffer descriptor being DMAed */
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} MCD_XferProg;
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struct dma_driver_interface
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{
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int32_t version;
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int32_t magic;
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int32_t (*dma_set_initiator)(int initiator);
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uint32_t (*dma_get_initiator)(int requestor);
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void (*dma_free_initiator)(int requestor);
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int32_t (*dma_set_channel)(int requestor, void (*handler)(void));
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int (*dma_get_channel)(int requestor);
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void (*dma_free_channel)(int requestor);
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void (*dma_clear_channel)(int channel);
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int (*MCD_startDma)(int channel, int8_t *srcAddr, int16_t srcIncr, int8_t *destAddr, int16_t destIncr,
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uint32_t dmaSize, uint32_t xferSize, uint32_t initiator, int32_t priority, uint32_t flags,
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||||
uint32_t funcDesc);
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||||
int (*MCD_dmaStatus)(int channel);
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||||
int (*MCD_XferProgrQuery)(int channel, MCD_XferProg *progRep);
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||||
int (*MCD_killDma)(int channel);
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||||
int (*MCD_continDma)(int channel);
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||||
int (*MCD_pauseDma)(int channel);
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||||
int (*MCD_resumeDma)(int channel);
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int (*MCD_csumQuery)(int channel, uint32_t *csum);
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||||
void *(*dma_malloc)(long amount);
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||||
int (*dma_free)(void *addr);
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||||
};
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||||
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||||
struct xhdi_driver_interface
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||||
{
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||||
uint32_t (*xhdivec)();
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||||
};
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||||
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union interface
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||||
{
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struct generic_driver_interface *gdi;
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struct xhdi_driver_interface *xhdi;
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||||
struct dma_driver_interface *dma;
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||||
};
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||||
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||||
struct generic_interface
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||||
{
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||||
enum driver_type type;
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||||
char name[16];
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||||
char description[64];
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||||
int version;
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||||
int revision;
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||||
union interface interface;
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||||
};
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||||
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||||
struct driver_table
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||||
{
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uint32_t bas_version;
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||||
uint32_t bas_revision;
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uint32_t (*remove_handler)(); /* calling this will disable the BaS' hook into trap #0 */
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||||
struct generic_interface *interfaces;
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||||
};
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#endif /* _DRIVER_VEC_H_ */
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@@ -1 +0,0 @@
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// ADD PREDEFINED MACROS HERE!
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||||
@@ -1 +0,0 @@
|
||||
[General]
|
||||
@@ -1,186 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE QtCreatorProject>
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<!-- Written by QtCreator 3.0.1, 2014-08-04T18:51:58. -->
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<valuelist type="QVariantList" key="Analyzer.Valgrind.RemovedSuppressionFiles"/>
|
||||
<value type="int" key="Analyzer.Valgrind.SelfModifyingCodeDetection">1</value>
|
||||
<value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
|
||||
<value type="bool" key="Analyzer.Valgrind.ShowReachable">false</value>
|
||||
<value type="bool" key="Analyzer.Valgrind.TrackOrigins">true</value>
|
||||
<value type="QString" key="Analyzer.Valgrind.ValgrindExecutable">valgrind</value>
|
||||
<valuelist type="QVariantList" key="Analyzer.Valgrind.VisibleErrorKinds">
|
||||
<value type="int">0</value>
|
||||
<value type="int">1</value>
|
||||
<value type="int">2</value>
|
||||
<value type="int">3</value>
|
||||
<value type="int">4</value>
|
||||
<value type="int">5</value>
|
||||
<value type="int">6</value>
|
||||
<value type="int">7</value>
|
||||
<value type="int">8</value>
|
||||
<value type="int">9</value>
|
||||
<value type="int">10</value>
|
||||
<value type="int">11</value>
|
||||
<value type="int">12</value>
|
||||
<value type="int">13</value>
|
||||
<value type="int">14</value>
|
||||
</valuelist>
|
||||
<value type="int" key="PE.EnvironmentAspect.Base">2</value>
|
||||
<valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
|
||||
<value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Arguments"></value>
|
||||
<value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.Executable"></value>
|
||||
<value type="bool" key="ProjectExplorer.CustomExecutableRunConfiguration.UseTerminal">false</value>
|
||||
<value type="QString" key="ProjectExplorer.CustomExecutableRunConfiguration.WorkingDirectory">%{buildDir}</value>
|
||||
<value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Custom Executable</value>
|
||||
<value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
|
||||
<value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.CustomExecutableRunConfiguration</value>
|
||||
<value type="uint" key="RunConfiguration.QmlDebugServerPort">3768</value>
|
||||
<value type="bool" key="RunConfiguration.UseCppDebugger">true</value>
|
||||
<value type="bool" key="RunConfiguration.UseCppDebuggerAuto">false</value>
|
||||
<value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
|
||||
<value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
|
||||
<value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
|
||||
</valuemap>
|
||||
<value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
|
||||
</valuemap>
|
||||
</data>
|
||||
<data>
|
||||
<variable>ProjectExplorer.Project.TargetCount</variable>
|
||||
<value type="int">1</value>
|
||||
</data>
|
||||
<data>
|
||||
<variable>ProjectExplorer.Project.Updater.EnvironmentId</variable>
|
||||
<value type="QByteArray">{d01d0a15-4efd-4fa2-8e2c-f26845794427}</value>
|
||||
</data>
|
||||
<data>
|
||||
<variable>ProjectExplorer.Project.Updater.FileVersion</variable>
|
||||
<value type="int">15</value>
|
||||
</data>
|
||||
</qtcreator>
|
||||
@@ -1,3 +0,0 @@
|
||||
include/driver_vec.h
|
||||
sources/jtagwait.c
|
||||
Makefile
|
||||
@@ -1 +0,0 @@
|
||||
include
|
||||
@@ -1,75 +0,0 @@
|
||||
#include <stdio.h>
|
||||
#include <mint/osbind.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "driver_vec.h"
|
||||
|
||||
#define FPGA_JTAG_LOADED_FLAG ((volatile bool *) 0xFF101000)
|
||||
|
||||
#define _MBAR ((volatile uint8_t *) 0xFF000000)
|
||||
#define MCF_GPIO_PDDR_FEC1L ((volatile uint8_t *)(&_MBAR[0xA17]))
|
||||
#define MCF_GPIO_PDDR_FEC1L_PDDR_FEC1L4 (0x10)
|
||||
#define MCF_GPIO_PPDSDR_FEC1L ((volatile uint8_t *)(&_MBAR[0xA27]))
|
||||
#define FPGA_CONFIG (1 << 2)
|
||||
#define FPGA_CONF_DONE (1 << 5)
|
||||
|
||||
static inline uint32_t set_ipl(uint32_t ipl)
|
||||
{
|
||||
uint32_t ret;
|
||||
|
||||
__asm__ __volatile__(
|
||||
" move.w sr,%[ret]\r\n" /* retrieve status register */
|
||||
" andi.l #0x07,%[ipl]\n\t" /* mask out ipl bits on new value */
|
||||
" lsl.l #8,%[ipl]\n\t" /* shift them to position */
|
||||
" move.l %[ret],d0\n\t" /* retrieve original value */
|
||||
" andi.l #0x0000f8ff,d0\n\t" /* clear ipl part */
|
||||
" or.l %[ipl],d0\n\t" /* or in new value */
|
||||
" move.w d0,sr\n\t" /* put it in place */
|
||||
" andi.l #0x0700,%[ret]\r\n" /* mask out ipl bits */
|
||||
" lsr.l #8,%[ret]\r\n" /* shift them to position */
|
||||
: [ret] "=&d" (ret) /* output */
|
||||
: [ipl] "d" (ipl) /* input */
|
||||
: "d0", "cc" /* clobber */
|
||||
);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void wait_for_jtag(void)
|
||||
{
|
||||
set_ipl(7); /* disable interrupts */
|
||||
/*
|
||||
* configure FEC1L port directions to enable external JTAG configuration download to FPGA
|
||||
*/
|
||||
*MCF_GPIO_PDDR_FEC1L = 0 |
|
||||
MCF_GPIO_PDDR_FEC1L_PDDR_FEC1L4; /* bit 4 = LED => output */
|
||||
/* all other bits = input */
|
||||
/*
|
||||
* now that this GPIO ports have been switched to input, we can poll for FPGA config
|
||||
* started from the JTAG interface (CONFIGn goes high) and finish (CONF_DONE goes high)
|
||||
*/
|
||||
while (*MCF_GPIO_PPDSDR_FEC1L & FPGA_CONFIG); /* wait for JTAG reset */
|
||||
while (!(*MCF_GPIO_PPDSDR_FEC1L & FPGA_CONFIG)); /* wait for JTAG config load starting */
|
||||
while (!(*MCF_GPIO_PPDSDR_FEC1L & FPGA_CONF_DONE)); /* wait for JTAG config load finished */
|
||||
|
||||
*FPGA_JTAG_LOADED_FLAG = true; /* indicate jtag loaded FPGA config to BaS */
|
||||
|
||||
/*
|
||||
* reboot after configuration finished
|
||||
*/
|
||||
__asm__ __volatile__(
|
||||
"jmp 0xE0000000\n\t"
|
||||
);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
printf("\033E\r\nFPGA JTAG configuration support\r\n");
|
||||
printf("You may now savely load a new FPGA configuration through the JTAG interface\r\n"
|
||||
"and your Firebee will reboot once finished using that new configuration.\r\n");
|
||||
Supexec(wait_for_jtag);
|
||||
|
||||
return 0; /* just to make the compiler happy, we will never return */
|
||||
}
|
||||
|
||||
@@ -1,117 +0,0 @@
|
||||
CROSS=Y
|
||||
|
||||
CROSSBINDIR_IS_Y=m68k-atari-mint-
|
||||
CROSSBINDIR_IS_N=
|
||||
|
||||
CROSSBINDIR=$(CROSSBINDIR_IS_$(CROSS))
|
||||
|
||||
UNAME := $(shell uname)
|
||||
ifeq ($(CROSS), Y)
|
||||
ifeq ($(UNAME),Linux)
|
||||
PREFIX=m68k-atari-mint
|
||||
HATARI=hatari
|
||||
else
|
||||
PREFIX=m68k-atari-mint
|
||||
HATARI=/usr/local/bin/hatari
|
||||
endif
|
||||
else
|
||||
PREFIX=/usr
|
||||
endif
|
||||
|
||||
DEPEND=depend
|
||||
TOPDIR= ../..
|
||||
|
||||
INCLUDE=-I$(TOPDIR)/../libcmini/include -nostdlib
|
||||
LIBS=-lcmini -nostdlib -lgcc
|
||||
CC=$(PREFIX)/bin/gcc
|
||||
|
||||
CC=$(CROSSBINDIR)gcc
|
||||
STRIP=$(CROSSBINDIR)strip
|
||||
STACK=$(CROSSBINDIR)stack
|
||||
|
||||
APP=mcdcook.prg
|
||||
TEST_APP=$(APP)
|
||||
|
||||
CFLAGS=\
|
||||
-Os\
|
||||
-g\
|
||||
-Wl,-Map,mapfile\
|
||||
-Wall
|
||||
|
||||
SRCDIR=sources
|
||||
INCDIR=include
|
||||
INCLUDE+=-I$(INCDIR)
|
||||
|
||||
CSRCS=\
|
||||
$(SRCDIR)/mcdcook.c
|
||||
ASRCS=
|
||||
|
||||
COBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.c,%.o,$(CSRCS)))
|
||||
AOBJS=$(patsubst $(SRCDIR)/%.o,%.o,$(patsubst %.S,%.o,$(ASRCS)))
|
||||
OBJS=$(COBJS) $(AOBJS)
|
||||
|
||||
TRGTDIRS=. ./m68020-60 ./m5475 ./mshort ./m68020-60/mshort ./m5475/mshort
|
||||
OBJDIRS=$(patsubst %,%/objs,$(TRGTDIRS))
|
||||
|
||||
#
|
||||
# multilib flags. These must match m68k-atari-mint-gcc -print-multi-lib output
|
||||
#
|
||||
m68020-60/$(APP):CFLAGS += -m68020-60
|
||||
m5475/$(APP):CFLAGS += -mcpu=5475
|
||||
mshort/$(APP):CFLAGS += -mshort
|
||||
m68020-60/mshort/$(APP): CFLAGS += -m68020-60 -mshort
|
||||
m5475/mshort/$(APP): CFLAGS += -mcpu=5475 -mshort
|
||||
|
||||
ctest: $(TEST_APP)
|
||||
all:$(patsubst %,%/$(APP),$(TRGTDIRS))
|
||||
#
|
||||
# generate pattern rules for multilib object files.
|
||||
#
|
||||
define CC_TEMPLATE
|
||||
$(1)/objs/%.o:$(SRCDIR)/%.c
|
||||
$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
|
||||
|
||||
$(1)/objs/%.o:$(SRCDIR)/%.S
|
||||
$(CC) $$(CFLAGS) $(INCLUDE) -c $$< -o $$@
|
||||
|
||||
$(1)_OBJS=$(patsubst %,$(1)/objs/%,$(OBJS))
|
||||
$(1)/$(APP): $$($(1)_OBJS)
|
||||
$(CC) $$(CFLAGS) -o $$@ $(TOPDIR)/../libcmini/$(1)/startup.o $$($(1)_OBJS) -L$(TOPDIR)/../libcmini/$(1) $(LIBS)
|
||||
$(STRIP) $$@
|
||||
endef
|
||||
$(foreach DIR,$(TRGTDIRS),$(eval $(call CC_TEMPLATE,$(DIR))))
|
||||
|
||||
$(DEPEND): $(ASRCS) $(CSRCS)
|
||||
-rm -f $(DEPEND)
|
||||
for d in $(TRGTDIRS);\
|
||||
do $(CC) $(CFLAGS) $(INCLUDE) -M $(ASRCS) $(CSRCS) | sed -e "s#^\(.*\).o:#$$d/objs/\1.o:#" >> $(DEPEND); \
|
||||
done
|
||||
|
||||
|
||||
clean:
|
||||
@rm -f $(patsubst %,%/objs/*.o,$(TRGTDIRS)) $(patsubst %,%/$(APP),$(TRGTDIRS))
|
||||
@rm -f $(DEPEND) mapfile
|
||||
|
||||
.PHONY: printvars
|
||||
printvars:
|
||||
@$(foreach V,$(.VARIABLES), $(if $(filter-out environment% default automatic, $(origin $V)),$(warning $V=$($V))))
|
||||
|
||||
ifneq (clean,$(MAKECMDGOALS))
|
||||
-include $(DEPEND)
|
||||
endif
|
||||
|
||||
test: $(TEST_APP)
|
||||
$(HATARI) --grab -w --tos $(TOPDIR)/../emutos/etos512k.img \
|
||||
--machine falcon -s 14 --cpuclock 32 --cpulevel 3 --vdi true --vdi-planes 4 \
|
||||
--vdi-width 640 --vdi-height 480 -d . $(APP)
|
||||
|
||||
ftest: $(TEST_APP)
|
||||
$(HATARI) --grab -w --tos /usr/share/hatari/TOS404.IMG \
|
||||
--machine falcon --cpuclock 32 --cpulevel 3 \
|
||||
-d . $(APP)
|
||||
|
||||
sttest: $(TEST_APP)
|
||||
$(HATARI) --grab -w --tos "/usr/share/hatari/tos106de.img" \
|
||||
--machine st --cpuclock 32 --cpulevel 3 --vdi true --vdi-planes 4 \
|
||||
--vdi-width 640 --vdi-height 480 \
|
||||
-d . $(APP)
|
||||
@@ -1,125 +0,0 @@
|
||||
/*
|
||||
* driver_vec.h
|
||||
*
|
||||
* Interface for exposure of BaS drivers to the OS
|
||||
*
|
||||
* This file is part of BaS_gcc.
|
||||
*
|
||||
* BaS_gcc is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* BaS_gcc is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* Created on: 24.10.2013
|
||||
* Author: Markus Fröschle
|
||||
*/
|
||||
|
||||
#ifndef _DRIVER_VEC_H_
|
||||
#define _DRIVER_VEC_H_
|
||||
|
||||
|
||||
enum driver_type
|
||||
{
|
||||
END_OF_DRIVERS, /* marks end of driver list */
|
||||
BLOCKDEV_DRIVER,
|
||||
CHARDEV_DRIVER,
|
||||
VIDEO_DRIVER,
|
||||
XHDI_DRIVER,
|
||||
MCD_DRIVER,
|
||||
};
|
||||
|
||||
struct generic_driver_interface
|
||||
{
|
||||
uint32_t (*init)(void);
|
||||
uint32_t (*read)(void *buf, size_t count);
|
||||
uint32_t (*write)(const void *buf, size_t count);
|
||||
uint32_t (*ioctl)(uint32_t request, ...);
|
||||
};
|
||||
|
||||
|
||||
/* Chained buffer descriptor */
|
||||
typedef volatile struct MCD_bufDesc_struct MCD_bufDesc;
|
||||
struct MCD_bufDesc_struct {
|
||||
uint32_t flags; /* flags describing the DMA */
|
||||
uint32_t csumResult; /* checksum from checksumming performed since last checksum reset */
|
||||
int8_t *srcAddr; /* the address to move data from */
|
||||
int8_t *destAddr; /* the address to move data to */
|
||||
int8_t *lastDestAddr; /* the last address written to */
|
||||
uint32_t dmaSize; /* the number of bytes to transfer independent of the transfer size */
|
||||
MCD_bufDesc *next; /* next buffer descriptor in chain */
|
||||
uint32_t info; /* private information about this descriptor; DMA does not affect it */
|
||||
};
|
||||
|
||||
/* Progress Query struct */
|
||||
typedef volatile struct MCD_XferProg_struct {
|
||||
int8_t *lastSrcAddr; /* the most-recent or last, post-increment source address */
|
||||
int8_t *lastDestAddr; /* the most-recent or last, post-increment destination address */
|
||||
uint32_t dmaSize; /* the amount of data transferred for the current buffer */
|
||||
MCD_bufDesc *currBufDesc;/* pointer to the current buffer descriptor being DMAed */
|
||||
} MCD_XferProg;
|
||||
|
||||
struct dma_driver_interface
|
||||
{
|
||||
int32_t version;
|
||||
int32_t magic;
|
||||
int32_t (*dma_set_initiator)(int initiator);
|
||||
uint32_t (*dma_get_initiator)(int requestor);
|
||||
void (*dma_free_initiator)(int requestor);
|
||||
int32_t (*dma_set_channel)(int requestor, void (*handler)(void));
|
||||
int (*dma_get_channel)(int requestor);
|
||||
void (*dma_free_channel)(int requestor);
|
||||
void (*dma_clear_channel)(int channel);
|
||||
int (*MCD_startDma)(int channel, int8_t *srcAddr, int16_t srcIncr, int8_t *destAddr, int16_t destIncr,
|
||||
uint32_t dmaSize, uint32_t xferSize, uint32_t initiator, int32_t priority, uint32_t flags,
|
||||
uint32_t funcDesc);
|
||||
int (*MCD_dmaStatus)(int channel);
|
||||
int (*MCD_XferProgrQuery)(int channel, MCD_XferProg *progRep);
|
||||
int (*MCD_killDma)(int channel);
|
||||
int (*MCD_continDma)(int channel);
|
||||
int (*MCD_pauseDma)(int channel);
|
||||
int (*MCD_resumeDma)(int channel);
|
||||
int (*MCD_csumQuery)(int channel, uint32_t *csum);
|
||||
void *(*dma_malloc)(long amount);
|
||||
int (*dma_free)(void *addr);
|
||||
};
|
||||
|
||||
struct xhdi_driver_interface
|
||||
{
|
||||
uint32_t (*xhdivec)();
|
||||
};
|
||||
|
||||
union interface
|
||||
{
|
||||
struct generic_driver_interface *gdi;
|
||||
struct xhdi_driver_interface *xhdi;
|
||||
struct dma_driver_interface *dma;
|
||||
};
|
||||
|
||||
struct generic_interface
|
||||
{
|
||||
enum driver_type type;
|
||||
char name[16];
|
||||
char description[64];
|
||||
int version;
|
||||
int revision;
|
||||
union interface interface;
|
||||
};
|
||||
|
||||
struct driver_table
|
||||
{
|
||||
uint32_t bas_version;
|
||||
uint32_t bas_revision;
|
||||
uint32_t (*remove_handler)(); /* calling this will disable the BaS' hook into trap #0 */
|
||||
struct generic_interface *interfaces;
|
||||
};
|
||||
|
||||
|
||||
#endif /* _DRIVER_VEC_H_ */
|
||||
@@ -1,121 +0,0 @@
|
||||
#include <stdio.h>
|
||||
#include <mint/osbind.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "driver_vec.h"
|
||||
|
||||
struct driver_table *get_bas_drivers(void)
|
||||
{
|
||||
struct driver_table *ret = NULL;
|
||||
|
||||
__asm__ __volatile(
|
||||
" trap #0\n\t"
|
||||
" move.l d0,%[ret]\n\t"
|
||||
: [ret] "=m" (ret) /* output */
|
||||
: /* no inputs */
|
||||
: /* clobbered */
|
||||
);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static uint32_t cookieptr(void)
|
||||
{
|
||||
return * (uint32_t *) 0x5a0L;
|
||||
}
|
||||
|
||||
void setcookie(uint32_t cookie, uint32_t value)
|
||||
{
|
||||
uint32_t *cookiejar = (uint32_t *) Supexec(cookieptr);
|
||||
int num_slots;
|
||||
int max_slots;
|
||||
|
||||
num_slots = max_slots = 0;
|
||||
do
|
||||
{
|
||||
if (cookiejar[0] == cookie)
|
||||
{
|
||||
cookiejar[1] = value;
|
||||
return;
|
||||
}
|
||||
cookiejar = &(cookiejar[2]);
|
||||
num_slots++;
|
||||
} while (cookiejar[-2]);
|
||||
|
||||
/*
|
||||
* Here we are at the end of the list and did not find our cookie.
|
||||
* Let's check if there is any space left and append our value to the
|
||||
* list if so. If not, we are lost (extending the cookie jar does only
|
||||
* work from TSRs)
|
||||
*/
|
||||
if (cookiejar[-1])
|
||||
max_slots = cookiejar[-1];
|
||||
|
||||
if (max_slots > num_slots)
|
||||
{
|
||||
/* relief, there is space left, extend the list */
|
||||
cookiejar[0] = cookiejar[-2];
|
||||
cookiejar[1] = cookiejar[-1];
|
||||
/* add the new element */
|
||||
cookiejar[-2] = cookie;
|
||||
cookiejar[-1] = value;
|
||||
}
|
||||
else
|
||||
printf("cannot set cookie, cookie jar is full!\r\n");
|
||||
}
|
||||
|
||||
# define COOKIE_DMAC 0x444D4143L /* FireTOS DMA API */
|
||||
|
||||
static char *dt_to_str(enum driver_type dt)
|
||||
{
|
||||
switch (dt)
|
||||
{
|
||||
case BLOCKDEV_DRIVER: return "generic block device driver";
|
||||
case CHARDEV_DRIVER: return "generic character device driver";
|
||||
case VIDEO_DRIVER: return "video/framebuffer driver";
|
||||
case XHDI_DRIVER: return "XHDI compatible hard disk driver";
|
||||
case MCD_DRIVER: return "multichannel DMA driver";
|
||||
default: return "unknown driver type";
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct driver_table *dt;
|
||||
void *ssp;
|
||||
|
||||
(void) Cconws("retrieve BaS driver interface\r\n");
|
||||
|
||||
ssp = (void *) Super(0L);
|
||||
dt = get_bas_drivers();
|
||||
if (dt)
|
||||
{
|
||||
struct generic_interface *ifc = &dt->interfaces[0];
|
||||
|
||||
printf("BaS driver table found at %p, BaS version is %d.%d\r\n", dt,
|
||||
dt->bas_version, dt->bas_revision);
|
||||
|
||||
while (ifc->type != END_OF_DRIVERS)
|
||||
{
|
||||
printf("driver \"%s (%s)\" found,\r\n"
|
||||
"interface type is %d (%s),\r\n"
|
||||
"version %d.%d\r\n\r\n",
|
||||
ifc->name, ifc->description, ifc->type, dt_to_str(ifc->type),
|
||||
ifc->version, ifc->revision);
|
||||
if (ifc->type == MCD_DRIVER)
|
||||
{
|
||||
setcookie(COOKIE_DMAC, ifc->interface.dma);
|
||||
printf("\r\nDMAC cookie set to %p\r\n", ifc->interface.dma);
|
||||
}
|
||||
ifc++;
|
||||
}
|
||||
}
|
||||
Super(ssp);
|
||||
|
||||
while (Cconis()) Cconin(); /* eat keys */
|
||||
printf("press any key to continue\n\r");
|
||||
// while (! Cconis());
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user