FreeCalypso > hg > freecalypso-sw

annotate target-utils/include/halt.h @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents 40f607bb0a2c
children
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da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 * In some error cases in our loadagent code we have no better course
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 * of action available than to halt in a tight loop. We define _exit()
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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4 * to do the latter. We have defined some codes for the argument value
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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5 * that goes into R0; if you manage to hook up JTAG and get it to work,
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 * you might be able to see what went wrong.
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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7 */
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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8
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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9 #define HALTCODE_MAINEXITED 0x40
da98dc08f575 loadagent: beginning to lay the foundation
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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10 #define HALTCODE_INVALIDUART 0x41
992
a7b0b426f9ca target-utils: boot ROM UART autodetection revamped
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 11
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11 #define HALTCODE_BOOTROMVER 0x42