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Simplified profile for UART boot; added warnings on UART Rx errors

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This commit is contained in:
David Harris 2022-04-21 04:54:45 +00:00
parent 25d0f6305a
commit 1e19cf9f14
2 changed files with 5 additions and 10 deletions
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12
linux/buildroot-config-src/wally/rootfs_overlay/.profile
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@ -2,8 +2,8 @@ echo "Hello this ~/.profile is meant to demonstrate running some basic commands
echo "I am $(whoami)" echo "I am $(whoami)"
echo "And I am on $(hostname)" echo "And I am on $(hostname)"
touch myFile.txt touch myFile.txt
echo "This is a line of text." > myFile.txt echo "Hello World!" > myFile.txt
echo "A second line of text." >> myFile.txt echo "And farewell!" >> myFile.txt
mkdir myDir mkdir myDir
mv myFile.txt myDir mv myFile.txt myDir
echo "Created myFile.txt and moved it to myDir. It contains:" echo "Created myFile.txt and moved it to myDir. It contains:"
@ -17,9 +17,6 @@ cd myDir
ln -s ../myScript.sh symLinkToMyScript.sh ln -s ../myScript.sh symLinkToMyScript.sh
echo "Created symLinkToMyScript.sh. Running it yields:" echo "Created symLinkToMyScript.sh. Running it yields:"
./symLinkToMyScript.sh ./symLinkToMyScript.sh
ln ../myScript.sh hardLinkToMyScript.sh
echo "Created hardLinkToMyScript.sh. Running it yields:"
./hardLinkToMyScript.sh
echo "Now let\'s remove all these example files and scripts" echo "Now let\'s remove all these example files and scripts"
cd / cd /
rm -r myDir rm -r myDir
@ -28,10 +25,5 @@ echo "Here is disk usage:"
df -h df -h
echo "And here are the current processes:" echo "And here are the current processes:"
ps ps
echo "We can create a user."
cd /
mkdir home
echo "password\npassword\n" | adduser myUser
su -c "cd ~; echo \"I am $(whoami) (a new user) and my home directory is $(pwd)\""
echo "And finally a login prompt." echo "And finally a login prompt."
login login

3
pipelined/src/uncore/uartPC16550D.sv
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@ -316,6 +316,9 @@ module uartPC16550D(
end else begin end else begin
if (rxstate == UART_DONE) begin if (rxstate == UART_DONE) begin
RXBR <= #1 {rxoverrunerr, rxparityerr, rxframingerr, rxdata}; // load recevive buffer register RXBR <= #1 {rxoverrunerr, rxparityerr, rxframingerr, rxdata}; // load recevive buffer register
if (rxoverrunerr) $warning("UART RX Overrun Error\n");
if (rxparityerr) $warning("UART RX Parity Error\n");
if (rxframingerr) $warning("UART RX Framing Error\n");
if (fifoenabled) begin if (fifoenabled) begin
rxfifo[rxfifohead] <= #1 {rxoverrunerr, rxparityerr, rxframingerr, rxdata}; rxfifo[rxfifohead] <= #1 {rxoverrunerr, rxparityerr, rxframingerr, rxdata};
rxfifohead <= #1 rxfifohead + 1; rxfifohead <= #1 rxfifohead + 1;