CN101004682A - Method, system, and chip of implementing software transportation - Google Patents
Method, system, and chip of implementing software transportation Download PDFInfo
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Abstract
A method for realizing transplantation of software includes setting up virtual channel between peripheral control software and internal kernel software, adding peripheral control software into internal of chip, using chip to control peripheral control software and internal kernel software to carry out communication through set up virtual channel. The system and chip used for realizing said method are also disclosed.
Description
Technical field
The present invention relates to the software transplanting technology, relate in particular to a kind of method, system and chip of realizing software transplanting.
Background technology
At present, some chips that comprise the multimedia process chip, as being applied to digital signal processing (DSP) chip etc. among the MP4, general inside all has a central processing unit (CPU) to manage each function of control chip, and with the supporting software of chip two kinds of operational modes is arranged generally.Wherein, first kind of operational mode is: software is divided into two parts, and a part runs on chip internal, is called internal core software, is controlled as coprocessor by the CPU of chip internal; Another part runs on chip exterior, is called peripheral Control Software, is controlled as main control processor by the CPU of chip exterior, and peripheral then Control Software and internal core software are realized communicating by letter with the hardware corridor between the outside by chip.Second kind of operational mode is: software does not have inside and outside branch, all runs on chip internal, is controlled as main control processor by the CPU of chip internal.
As shown in Figure 1, Fig. 1 is a kind of chip schematic flow sheet of using first kind of operational mode in the prior art.Wherein, peripheral Control Software is as the interface of realizing certain function, by interface program and user interactions.The user inputs to peripheral Control Software with action required as taking, play MP3, broadcast MP4, recording, reading and writing of files etc. by interface program; Peripheral Control Software then sends to internal core software with corresponding function order and parameter by hardware corridor as the interface of realizing the camera shoot function, the interface of playing MP3, the interface etc. of playing interface, recording access and the reading and writing of files of MP4; Internal core software is realized the concrete function corresponding to peripheral Control Software said the word as the executive routine of realizing certain function.Be internal core software receive order that peripheral Control Software sends, parameter by hardware corridor after, carry out and the corresponding function call of order.As for after realizing that initialization, the function that starts compression one photograph frame of chip, compression that the camera shoot function carries out are finished, notify peripheral Control Software to take pictures to finish etc.
As shown in Figure 2, Fig. 2 is a kind of chip schematic flow sheet of using second kind of operational mode in the prior art.Wherein, software general designation in house software all runs on chip internal, and carry out mutual interface program with the user and also may operate at chip internal this moment.The user inputs in house software by interface program with action required, and in house software calls respective function and finishes respective operations.
In the practical application, the software development kit that the software developer provides generally all provides according to first kind of operational mode, the software development kit that promptly provides comprises internal core software and peripheral Control Software, and for product producer, sometimes need chip be set according to second kind of operational mode, then just peripheral Control Software also need be transplanted to the chip internal operation this moment, but internal core software and peripheral Control Software that the software developer provides communicate by hardware corridor, if just simply add peripheral Control Software to chip internal, then communicate between uncontrollable at all peripheral Control Software of chip and the internal core software.
In order to realize software transplanting, way of the prior art is, the framework of peripheral Control Software and internal core software is upset, and the two one-tenth nested against one another is as a whole, promptly framework goes out a cover software again, chip by this again the software that goes out of framework communicate control.As seen, this way of the prior art, workload is very big, is similar to regroup software, and because software has carried out framework again, therefore makes mistakes easily, and effect is relatively poor.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of method that realizes software transplanting, provides a kind of system and chip of realizing software transplanting on the other hand, so that reduce workload.
The method of realization software transplanting provided by the present invention comprises:
Between the peripheral Control Software of chip and internal core software, set up tunnel;
Add peripheral Control Software to chip internal;
The tunnel that peripheral Control Software of chip controls and internal core software pass through to be set up communicates.
Wherein, described containing outside set up tunnel between system software and the internal core software and specifically comprised:
Determine the interface of tunnel according to the interface type of hardware corridor between peripheral Control Software and the internal core software;
According to determined tunnel interface, set up tunnel.
Wherein, described interface type according to hardware corridor determines that the interface of tunnel comprises:
If the interface type of hardware corridor is the interface of peripheral Control Software and this interface for being used to open communicating interrupt, and the interface of initialization communication channel, then the interface of determined tunnel is: the interface that is used for the initialization communication channel;
If the interface type of hardware corridor is the interface of peripheral Control Software and this interface is to be used to write order to be sent and by interrupting sending to the interface of internal core software, then the interface of the definite tunnel of institute is: the interface that is used for receiving according to this command calls internal core software the function of this order needs execution;
If the interface type of hardware corridor is that interface and this interface of peripheral Control Software is the interface that is used to receive return command, then the interface of definite tunnel be: the interface that need not to realize;
If the interface type of hardware corridor is that interface and this interface of peripheral Control Software is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data;
If the interface type of hardware corridor is the interface of internal core software and this interface is to be used to write order to be sent and by interrupting sending to the interface of peripheral Control Software, then the interface of determined tunnel is: the interface that is used for receiving according to the peripheral Control Software of this command calls the function of this order needs execution;
If the interface type of hardware corridor is that interface and this interface of internal core software is the interface that is used to receive return command, then the interface of determined tunnel is: the interface that need not to realize;
If the interface type of hardware corridor is that interface and this interface of internal core software is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data.
Preferably, peripheral Control Software being added to chip internal further comprises before: tunnel is carried out functional test;
Then describedly add peripheral Control Software to chip internal and be: after the functional test success, add peripheral Control Software to chip internal.
Wherein, described functional test comprises: add the part of peripheral Control Software to chip internal;
Carry out the passage initialization, send order and receive command response at chip internal.
Preferably, peripheral Control Software being added to chip internal further comprises afterwards: the software after adding is recompilated.
The system of realization software transplanting provided by the present invention comprises: tunnel is set up module, software adds module and chip, wherein,
Tunnel is set up module, is used for setting up tunnel between the peripheral Control Software of chip and internal core software;
Software adds module, is used for adding peripheral Control Software to chip internal;
Chip is used to store the peripheral Control Software of adding module from software, controls peripheral Control Software and internal core software and sets up the tunnel that module sets up by tunnel and communicate.
Preferably, described tunnel is set up module and is further used for: after tunnel foundation is finished, add module to software and send the interpolation instruction;
Described software adds module and is further used for: according to the interpolation instruction of setting up module from tunnel, carry out the described operation of peripheral Control Software being added to chip internal.
Wherein, described chip comprises: the storage mould is determined and control module, wherein,
Memory module, what be used to store internal core software and reception adds the peripheral Control Software of module from software;
Control module is used for the peripheral Control Software of control store module and tunnel that internal core software passes through to be set up and communicates.
The chip of realization software transplanting provided by the present invention comprises: memory module and control module, wherein,
Memory module is used to store the peripheral Control Software of internal core software and reception;
Control module, the peripheral Control Software and the internal core software that are used for the control store module communicate by the tunnel of setting up in advance.
From such scheme as can be seen, the present invention sets up tunnel by containing outside between system software and the internal core software, and adding peripheral Control Software to chip internal, the tunnel that peripheral Control Software of chip controls and internal core software pass through to be set up communicates.As seen, the present invention just passage between peripheral Control Software and the internal core software is set to tunnel by hardware corridor, promptly only transplanted the communication port between the two, framework for peripheral Control Software and internal core software itself does not carry out any change, therefore workload is little, and be not easy to make mistakes, transplantation effect is better.
Description of drawings
Fig. 1 is a kind of chip schematic flow sheet of using first kind of operational mode in the prior art.
Fig. 2 is a kind of chip schematic flow sheet of using second kind of operational mode in the prior art.
Fig. 3 is the method exemplary process diagram that realizes software transplanting in the embodiment of the invention.
Fig. 4 is a kind of chip operational scheme synoptic diagram of software transplanting after finishing.
Fig. 5 is a system architecture synoptic diagram of realizing software transplanting in the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
Basic thought of the present invention is: contain outside between system software and the internal core software and set up tunnel; And add peripheral Control Software to chip internal; The tunnel that peripheral Control Software of chip controls and internal core software pass through to be set up communicates.
During specific implementation, can be before adding whole peripheral Control Software first addition portion component software, be used for the tunnel of being set up is tested, and after testing successfully, add whole peripheral Control Software, and contain system software outside and all recompilate as required after the interpolation.
Referring to Fig. 3, Fig. 3 is the exemplary process diagram of the method for the realization software transplanting of the above-mentioned thought of application in the embodiment of the invention.As shown in Figure 3, this flow process comprises the steps:
It is the corresponding relation of determining tunnel and hardware corridor between peripheral Control Software and the internal core software in this step.
Wherein, determine that according to the interface type of hardware corridor the interface of tunnel can comprise:
When if the interface type of hardware corridor is the interface of peripheral Control Software, determine the interface of tunnel according to following principle:
If the interface of hardware corridor is for being used to open communicating interrupt, and the interface of initialization communication channel, then the interface of definite tunnel be: the interface that is used for the initialization communication channel; If the interface of hardware corridor is to be used to write order to be sent and by interrupting sending to the interface of internal core software, then the interface of determined tunnel is: the interface that is used for receiving according to this command calls internal core software the function of this order required execution afterwards; If the interface of hardware corridor is the interface that is used to receive return command, then the interface of determined tunnel is: the interface that need not to realize; If the interface of hardware corridor is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data.
When if the interface type of hardware corridor is the interface of internal core software, determine the interface of tunnel according to following principle:
If the interface of hardware corridor is to be used to write order to be sent and by interrupting sending to the interface of peripheral Control Software, then the interface of determined tunnel is: the interface that is used for receiving according to the peripheral Control Software of this command calls the function of this order required execution afterwards; If the interface of hardware corridor is the interface that is used to receive return command, then the interface of determined tunnel is: the interface that need not to realize; If the interface of hardware corridor is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data.
With 810 chips of the XCUBE in the CUBE chip series is example, can determine that the interface of tunnel and the corresponding relation between the hardware corridor interface are as follows:
When being peripheral Control Software interface for the interface type of hardware corridor, its corresponding relation as shown in Table 1:
| The hardware corridor interface name | Function | The tunnel interface name | Function |
| MMD_LIF_ Init | Open the interruption that is used for communication, the initial value of the region of memory that the initialization communication channel uses | MMD_LIF_ Init | The initial value of the region of memory that the initialization communication channel uses.Attention: tunnel does not need to open the interruption that is used for communication |
| MMD_LIF_ SendCmd | Command area at passage, write the order that needs transmission, then method notice XCUBE internal core software by interrupting | MMD_LIF_ SendCmd | Directly call XCUBE internal core software and receive the function that this order need call because send order and exectorial place, use be same execution space |
| MMD_LIF_ GetCmd | The order that reception feeds back from XCUBE internal core software | MMD_LIF_ GetCmd | This function only need keep interface, does not need to realize.Because send order and order what return use is same address space, so the function that this function should be realized can directly be realized by the transmission command component of XCUBE internal core software. |
| MMD_LIF_ WriteParam | To command parameter district write data | MMD_LIF_ WriteParam | To command parameter district write data, implementation method is identical with hardware corridor |
| MMD_LIF_ ReadParam | From order parameter region read data | MMD_LIF_ ReadParam | From order parameter region read data, implementation method is identical with hardware corridor |
Table one
When being the internal core software interface for the interface type of hardware corridor, its corresponding relation as shown in Table 2:
| The hardware corridor interface name | Function | The tunnel interface name | Function |
| KanaSend Cmd | Command area at passage, write the order that needs transmission, notify peripheral Control Software by the method for interrupting then | KanaSendC md | Directly call peripheral Control Software and receive the function that this order need call because send order and exectorial place, use be same execution space |
| KanaGetC md | The order that reception sends from the outside | KanaGetCm d | This function only need keep interface, does not need to realize.Because send order and order what return use is same address space, so the function that this function should be realized can directly be realized by the transmission command component of peripheral Control Software. |
| KanaWrite Param | To command parameter district write data | KanaWriteP aram | To command parameter district write data, implementation method is identical with hardware corridor |
| KanaRead Param | From order parameter region read data | KanaReadP aram | From order parameter region read data, implementation method is identical with hardware corridor |
Table two
Step 302 according to determined tunnel interface, is set up tunnel.
In this step,, can realize by establishment tunnel program for the tunnel interface of determining in the step 301.The specific procedure of tunnel constitutes the program that a variety of, different its tunnels of chip can be arranged and realizes also difference, as long as the interface corresponding relation of determining in the energy performing step 301.
For being used to open communicating interrupt, and the hardware corridor interface of initialization communication channel, the formation process of its tunnel program can for: the program that is used to open the communicating interrupt process in the function with this interface is removed, and the interface that will be used for the initialization communication channel accordingly is arranged on internal core software and gets final product, if perhaps do not need the initialization communication channel, then directly the program in this interface function is removed and got final product.
For the hardware corridor interface that sends order by hardware corridor, the formation process of its tunnel program can for: the specific implementation program of the function inside of this interface is removed, is directly embedded in this interface function and gets final product receiving function name that the order termination receives that this order need be called.
For the hardware corridor interface that receives order by hardware corridor, the formation process of its tunnel program can for: original specific implementation program is removed and is got final product in the function with this interface, because tunnel need not to receive external command by this interface function.
For hardware corridor interface, and from the hardware corridor interface of order parameter region read data to command parameter district write data, the formation process of its tunnel program can for: keep the function of this interface constant.
Be example still, and with the hardware corridor interface to ordering by the hardware corridor transmission, the process during establishment tunnel program is an example, and its specific implementation process is described in detail with 810 chips of the XCUBE in the CUBE chip series.
Contain system software in addition and send order to internal core software, it is example that internal core software receives the process of carrying out respective function in this order back:
Suppose that the order that desire sends is cmd, then the subprogram of the interface function of original peripheral Control Software is:
MMD_LIF_SendCmd(MMD_U16?cmd，MMD_U16?op1，MMD_U16?op2)
{
The initialization correlation parameter;
Detect the address space of buffer zone;
MMD_USER_Clear_Flag_WaitResponse (); // this function needs real realization.
Because during the hardware corridor specific implementation, peripheral Control Software needs to wait for the response of internal core software after sending order for internal core software.Can at first remove a sign as: peripheral Control Software, when internal core software has response, send out interruption for peripheral Control Software, and in interruption corresponding flag set.At this moment, peripheral Control Software just can know that internal core software made response.
Open and interrupt sending order " cmd ";
Other control flow;
return?MMD_RET_NOERR；
}
After the cmd order is transferred to internal core software by hardware corridor, the function that internal core software moves according to this command calls actual needs again, as: (cmd, op1 op2), carry out corresponding function to MainTaskHostCmdDecode then.
When establishment tunnel program, according to the interface corresponding relation in table one and the table two, between original peripheral Control Software and internal core software, set up tunnel, promptly set up the annexation of the two, then can contain the following tunnel program of establishment in the system software outside, be implemented on the tunnel peripheral Control Software and send order for internal core software.In fact, at this moment peripheral Control Software can directly be called the power function of internal core software.
MMD_LIF_SendCmd(MMD_U16?cmd，MMD_U16?op1，MMD_U16?op2)
{
MMD_USER_Clear_Flag_WaitResponse (); // this function only when using hardware corridor, just needs real realization, need not to realize herein.
MainTaskHostCmdDecode (cmd, op1, op2); // when using the implementation method of tunnel, this function directly calls the respective function of internal core software and carries out this process of commands.
return?MMD_RET_NOERR；
}
In like manner, internal core software sends order to peripheral Control Software, peripheral Control Software receive carry out respective function in this order back process similarly, promptly directly in internal core software, send and call peripheral Control Software in the interface function of ordering and receive the function that this order need be called.
Step 303 is carried out functional test to tunnel.If test successfully, then execution in step 304; Otherwise, return execution in step 302.
In this step, can add the part of peripheral Control Software to chip internal earlier, tunnel is carried out simple functional test, can choose several orders and carry out test run, as carry out the passage initialization, send order and receive command response etc.
Step 304 is all added the peripheral Control Software of setting up behind the tunnel to chip internal.
Step 305 as needs, then recompilates the software after adding.
For different chips, its compilation process is also different, specifically decide according to the concrete form of peripheral Control Software and internal core software, and compilation process and method is same as the prior art.
So far, the method flow of realizing software transplanting finishes.
Referring to Fig. 4, Fig. 4 is a kind of chip operational scheme synoptic diagram of software transplanting after finishing.As shown in Figure 4, at this moment, peripheral Control Software and internal core software all run on chip internal, and also may operate at chip internal with the interface program of user interactions this moment.The user inputs to peripheral Control Software by interface program with action required, peripheral Control Software is called internal core software according to corresponding function order and parameter by tunnel as the interface of realizing certain function, as the executive routine of realizing certain function, realize corresponding concrete function by internal core software.
Referring to Fig. 5, Fig. 5 is based on the structural representation of the system of the realization software transplanting of method shown in Figure 1 in the embodiment of the invention.As shown in Figure 5, this system comprises: tunnel is set up module, software adds module and chip.
Wherein, tunnel is set up module, is used for containing outside between system software and the internal core software setting up tunnel.
Software adds module, is used for adding peripheral Control Software to chip internal.
Chip is used to store the peripheral Control Software of adding module from software, controls peripheral Control Software and internal core software and sets up the tunnel that module sets up by tunnel and communicate.
Further, tunnel is set up module and can be further used for: after tunnel foundation is finished, add module to software and send the interpolation instruction; Then software interpolation module is further used for: according to the interpolation instruction of setting up module from tunnel, carry out the described operation of peripheral Control Software being added to chip internal.
As shown in Figure 5, during specific implementation, chip can specifically comprise memory module and control module.
Wherein, memory module is used to store the peripheral Control Software of internal core software and reception.
Control module, the peripheral Control Software and the internal core software that are used for the control store module communicate by the tunnel of setting up in advance.
In the above-mentioned system shown in Figure 5, the specific implementation process of each functional module can be consistent with the description in the method shown in Figure 3.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method that realizes software transplanting is characterized in that, this method comprises:
Between the peripheral Control Software of chip and internal core software, set up tunnel;
Add peripheral Control Software to chip internal;
The tunnel that peripheral Control Software of chip controls and internal core software pass through to be set up communicates.
2, the method for claim 1 is characterized in that, described containing outside set up tunnel between system software and the internal core software and specifically comprised:
Determine the interface of tunnel according to the interface type of hardware corridor between peripheral Control Software and the internal core software;
According to determined tunnel interface, set up tunnel.
3, method as claimed in claim 2 is characterized in that, described interface type according to hardware corridor determines that the interface of tunnel comprises:
If the interface type of hardware corridor is the interface of peripheral Control Software and this interface for being used to open communicating interrupt, and the interface of initialization communication channel, then the interface of determined tunnel is: the interface that is used for the initialization communication channel;
If the interface type of hardware corridor is the interface of peripheral Control Software and this interface is to be used to write order to be sent and by interrupting sending to the interface of internal core software, then the interface of the definite tunnel of institute is: the interface that is used for receiving according to this command calls internal core software the function of this order needs execution;
If the interface type of hardware corridor is that interface and this interface of peripheral Control Software is the interface that is used to receive return command, then the interface of definite tunnel be: the interface that need not to realize;
If the interface type of hardware corridor is that interface and this interface of peripheral Control Software is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data;
If the interface type of hardware corridor is the interface of internal core software and this interface is to be used to write order to be sent and by interrupting sending to the interface of peripheral Control Software, then the interface of determined tunnel is: the interface that is used for receiving according to the peripheral Control Software of this command calls the function of this order needs execution;
If the interface type of hardware corridor is that interface and this interface of internal core software is the interface that is used to receive return command, then the interface of determined tunnel is: the interface that need not to realize;
If the interface type of hardware corridor is that interface and this interface of internal core software is the interface that is used for to command parameter district Writing/Reading data, then the interface of determined tunnel is: be used for the interface to command parameter district Writing/Reading data.
4, as each described method in the claim 1 to 3, it is characterized in that, add peripheral Control Software to chip internal and further comprise before: tunnel is carried out functional test;
Then describedly add peripheral Control Software to chip internal and be: after the functional test success, add peripheral Control Software to chip internal.
5, method as claimed in claim 4 is characterized in that, described functional test comprises:
Add the part of peripheral Control Software to chip internal;
Carry out the passage initialization, send order and receive command response at chip internal.
6, method as claimed in claim 5 is characterized in that, adds peripheral Control Software to chip internal and further comprises afterwards: the software after adding is recompilated.
7, a kind of system that realizes software transplanting is characterized in that, this system comprises: tunnel is set up module, software adds module and chip, wherein,
Tunnel is set up module, is used for setting up tunnel between the peripheral Control Software of chip and internal core software;
Software adds module, is used for adding peripheral Control Software to chip internal;
Chip is used to receive the peripheral Control Software of adding module from software, controls peripheral Control Software and internal core software and sets up the tunnel that module sets up by tunnel and communicate.
8, system as claimed in claim 7 is characterized in that, described tunnel is set up module and is further used for: after tunnel foundation is finished, add module to software and send the interpolation instruction;
Described software adds module and is further used for: according to the interpolation instruction of setting up module from tunnel, carry out the described operation of peripheral Control Software being added to chip internal.
9, as claim 7 or 8 described systems, it is characterized in that described chip comprises: memory module and control module, wherein,
Memory module, what be used to store internal core software and reception adds the peripheral Control Software of module from software;
Control module is used for the peripheral Control Software of control store module and tunnel that internal core software passes through to be set up and communicates.
10, a kind of chip of realizing software transplanting is characterized in that, this chip comprises: memory module and control module, wherein,
Memory module is used to store the peripheral Control Software of internal core software and reception;
Control module, the peripheral Control Software and the internal core software that are used for the control store module communicate by the tunnel of setting up in advance.
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| CN 200710002696 CN101004682A (en) | 2007-01-26 | 2007-01-26 | Method, system, and chip of implementing software transportation |
| CNB2007101406313A CN100464297C (en) | 2007-01-26 | 2007-08-09 | Method, system and chip for implementing software transportation |
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| CN108459988A (en) * | 2017-02-17 | 2018-08-28 | 英特尔公司 | Duration direct distance input and output |
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| CN108459988A (en) * | 2017-02-17 | 2018-08-28 | 英特尔公司 | Duration direct distance input and output |
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