Monitor: Boot Commands

bootrom

is an autoboot device that allows you to boot an application program from ROM. It copies code from ROM into RAM and then jumps to the RAM address. The ROM source address RomBase, the RAM destination address LoadAddress, and the number of bytes to copy Rom- Size are read from the nonvolatile memory group BootParams.

Description: bootrom

When the application is called, two parameters are passed to the application from the non- volatile memory group BootParams. The parameters are seen by the application as shown below:

Application(Device, Number) unsigned char Device, Number;

There are no arguments for this command. The nonvolatile configuration is modified with the NVRAM commands nvdisplay and nvupdate.

Also refer to the function BootUp on page 8-37.

bootserial

is an autoboot device that allows you to boot an application program from a serial port.

Description: bootserial

It determines the format of the download and the entry execution address of the down- loaded application from the LoadAddress and DevType fields in the nonvolatile memory group BootParams. The DevType field selects one of the download formats specified below:

Table 8-2:Device Download Format

Device Type:

Download Format:

INT_MCS86

0

Intel MCS-86 Hexadecimal Format

 

 

MOT_EXORMAT 1

Motorola Exormax Format (S0-S3,S7-S9 Records)

 

 

 

HK_BINARY

2

Emerson Binary Format

 

 

 

The nonvolatile configuration is modified with the NVRAM commands nvdisplay and nvup- date.

When the application is called, three parameters are passed to the application from the nonvolatile memory boot configuration section. The parameters are seen by the applica- tion as shown below:

Application(Number, RomSize, RomBase) unsigned char Number;

unsigned long RomSize, RomBase;

These parameters allow multiple boards using the same facility to receive different configu- ration information from the monitor.

10002367-02

PmT1 and PmE1 User’s Manual

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Emerson PMT1, PME1 user manual Bootrom, Bootserial, Device Type Download Format

PMT1, PME1 specifications

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