FreeCalypso > hg > freecalypso-sw
annotate target-utils/libcommon/serflush.S @ 112:4179acab05f7
nuc-fw/bsp: niq32.c and sim.h replaced with new versions
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 20 Oct 2013 08:43:41 +0000 |
parents | 1a3bbab2ea26 |
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1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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1 #include "ns16550.h" |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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changeset
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2 |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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3 .text |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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4 .code 32 |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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5 .global serial_flush |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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6 serial_flush: |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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7 ldr r1, =uart_base |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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8 ldr r2, [r1] |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
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9 1: ldrb r3, [r2, #NS16550_LSR] |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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changeset
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10 tst r3, #NS16550_LSR_TEMP |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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11 beq 1b |
1a3bbab2ea26
loadagent: jump command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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12 bx lr |