URL
https://opencores.org/ocsvn/xulalx25soc/xulalx25soc/trunk
Subversion Repositories xulalx25soc
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- This comparison shows the changes necessary to convert path
/xulalx25soc/trunk
- from Rev 48 to Rev 49
- ↔ Reverse comparison
Rev 48 → Rev 49
/sw/devbus.h
64,18 → 64,56
virtual void close(void) = 0; |
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// Write a single value to a single address |
// a is the address of the value to be read as it exists on the |
// wishbone bus within the FPGA. |
// v is the singular value to write to this address |
virtual void writeio(const BUSW a, const BUSW v) = 0; |
|
// Read a single value to a single address |
// a is the address of the value to be read as it exists on the |
// wishbone bus within the FPGA. |
// This function returns the value read from the device wishbone |
// at address a. |
virtual BUSW readio(const BUSW a) = 0; |
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// Read a series of values from values from a block of memory |
// a is the address of the value to be read as it exists on the |
// wishbone bus within the FPGA. |
// len is the number of words to read |
// buf is a pointer to a place to store the words once read. |
// This is equivalent to: |
// for(int i=0; i<len; i++) |
// buf[i] = readio(a+i); |
// only it's faster in our implementation. |
virtual void readi(const BUSW a, const int len, BUSW *buf) = 0; |
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// Read a series of values from the same address in memory |
// Read a series of values from the same address in memory. This |
// call is identical to readi, save that the address is not incremented |
// from one read to the next. It is equivalent to: |
// for(int i=0; i<len; i++) |
// buf[i] = readio(a); |
// only it's faster in our implementation. |
// |
virtual void readz(const BUSW a, const int len, BUSW *buf) = 0; |
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// Write a series of values into a block of memory on the FPGA |
// a is the address of the value to be written as it exists on the |
// wishbone bus within the FPGA. |
// len is the number of words to write |
// buf is a pointer to a place to from whence to grab the data |
// to be written. |
// This is equivalent to: |
// for(int i=0; i<len; i++) |
// writeio(a+i, buf[i]); |
// only it's faster in our implementation. |
virtual void writei(const BUSW a, const int len, const BUSW *buf) = 0; |
// Write a series of values into the same address on the FPGA bus. This |
// call is identical to writei, save that the address is not incremented |
// from one write to the next. It is equivalent to: |
// for(int i=0; i<len; i++) |
// writeio(a, buf[i]); |
// only it's faster in our implementation. |
// |
virtual void writez(const BUSW a, const int len, const BUSW *buf) = 0; |
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// Query whether or not an interrupt has taken place |