Github_Repos/cvw
1
0
Fork 1
mirror of https://github.com/openhwgroup/cvw synced 2025-02-11 06:05:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Committing changes made to UART test

Browse Source
This commit is contained in:
slmnemo 2022-07-26 09:14:40 -07:00
parent bfced6bfe8
commit 5218865a7f
2 changed files with 68 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tests/wally-riscv-arch-test/riscv-test-suite/rv32i_m/privilege/src/WALLY-TEST-LIB-32.h
View File

@ -1061,6 +1061,7 @@ uart_lsr_intr_loop:
lb t3, 0(t2)
andi t3, t3, 0x7
bne t3, t4, uart_lsr_intr_loop
uart_save_iir_status:
sw t3, 0(t1)
addi t1, t1, 4
addi a6, a6, 4

77
tests/wally-riscv-arch-test/riscv-test-suite/rv32i_m/privilege/src/WALLY-uart-01.S
View File

@ -119,16 +119,16 @@ test_cases:
# =========== Transmit-related interrupts ===========
.4byte UART_IER, 0x07, write08_test # enable data available, buffer empty, and line status interrupts
.4byte UART_IIR, 0x02, read08_test # buffer should be empty, causing interrupt
.4byte UART_THR, 0x00, write08_test # write zeroes to transmitter
.4byte 0x0, 0x0401, uart_data_wait # IIR should have data ready interrupt
.4byte UART_THR, 0x01, write08_test # write 1 to transmitter buffer
.4byte UART_IIR, 0x04, read08_test # data interrupt should still be high
.4byte 0x0, 0x06, uart_lsr_intr_wait # wait for transmission to complete, IIR should throw error due to overrun error.
.4byte UART_LSR, 0x63, read08_test # read overrun error from LSR
.4byte UART_IIR, 0x04, read08_test # check that LSR interrupt was cleared
.4byte UART_RBR, 0x01, read08_test # read previous value from UART
.4byte UART_IER, 0x07, write08_test # enable data available, buffer empty, and line status interrupts
.4byte UART_IIR, 0x02, read08_test # buffer should be empty, causing interrupt
.4byte UART_THR, 0x00, write08_test # write zeroes to transmitter
.4byte 0x0, 0x0401, uart_data_wait # IIR should have data ready interrupt
.4byte UART_THR, 0x01, write08_test # write 1 to transmitter buffer
.4byte UART_IIR, 0x04, read08_test # data interrupt should still be high
.4byte 0x0, 0x06, uart_lsr_intr_wait # wait for transmission to complete, IIR should throw error due to overrun error.
.4byte UART_LSR, 0x63, read08_test # read overrun error from LSR
.4byte UART_IIR, 0x04, read08_test # check that LSR interrupt was cleared
.4byte UART_RBR, 0x01, read08_test # read previous value from UART
# =========== MODEM interrupts ===========
@ -183,5 +183,62 @@ test_cases:
.4byte UART_FCR, 0xC1, read08_test # Check that FCR clears bits 1 and 2 when written to 1
.4byte UART_LSR, 0x60, read08_test # No data ready, FIFO cleared by writing to FCR
# =========== FIFO receiver/overrun ===========
.4byte UART_FCR, 0x01, write08_test # Set FIFO trigger threshold to 1 and enable FIFO mode
.4byte UART_IIR, 0xC1, read08_test # FIFO has not reached trigger level
.4byte UART_THR, 0x00, write08_test # Write 0 to transmit register
.4byte 0x0, 0xC401, uart_data_wait # Interrupt due to trigger threshold reached
.4byte UART_FCR, 0x41, write08_test # Set FIFO trigger threshold to 4
.4byte UART_IIR, 0xC1, read08_test # FIFO has not reached trigger threshold
.4byte UART_THR, 0x01, write08_test # Write 1 to transmit register
.4byte UART_THR, 0x02, write08_test # Write 2 to transmit register
.4byte 0x0, 0xC101, uart_data_wait # FIFO has not reached trigger threshold
.4byte UART_THR, 0x03, write08_test # Write 3 to transmit register
.4byte 0x0, 0xC401, uart_data_wait # Interrupt due to trigger threshold reached
.4byte UART_FCR, 0x81, write08_test # Set FIFO trigger threshold to 8
.4byte UART_IIR, 0xC1, read08_test # FIFO has not reached trigger threshold
.4byte UART_THR, 0x04, write08_test # Write 4 to transmit register
.4byte UART_THR, 0x05, write08_test # Write 5 to transmit register
.4byte UART_THR, 0x06, write08_test # Write 6 to transmit register
.4byte 0x0, 0xC101, uart_data_wait # FIFO has not reached trigger threshold
.4byte UART_THR, 0x07, write08_test # Write 7 to transmit register
.4byte 0x0, 0xC401, uart_data_wait # Interrupt due to trigger threshold reached
.4byte UART_FCR, 0xC1, write08_test # Set FIFO trigger threshold to 14
.4byte UART_IIR, 0xC1, read08_test # FIFO has not reached trigger threshold
.4byte UART_THR, 0x08, write08_test # Write 8 to transmit register
.4byte UART_THR, 0x09, write08_test # Write 9 to transmit register
.4byte UART_THR, 0x0A, write08_test # Write 10 to transmit register
.4byte UART_THR, 0x0B, write08_test # Write 11 to transmit register
.4byte UART_THR, 0x0C, write08_test # Write 12 to transmit register
.4byte 0x0, 0xC101, uart_data_wait # FIFO has not reached trigger threshold
.4byte UART_THR, 0x0D, write08_test # Write 13 to transmit register
.4byte 0x0, 0xC401, uart_data_wait # Interrupt due to trigger threshold reached
.4byte UART_THR, 0x0E, write08_test # Write 14 to transmit register
.4byte UART_THR, 0x0F, write08_test # Write 15 to transmit register
.4byte 0x0, 0xC401, uart_data_wait
.4byte UART_LSR, 0x61, read08_test # FIFO contains data, no overrun error
.4byte UART_THR, 0x10, write08_test # Write 16 to transmit register, filling RX shift register
.4byte UART_THR, 0x11, write08_test # Write 17 to transmit register, destroying contents held in shift register
.4byte 0x0, 0x06, uart_lsr_intr_wait # Wait for LSR interrupt ID
.4byte UART_LSR, 0x63, read08_test # Read overrun error from LSR
.4byte UART_RBR, 0x00, read08_test # Read 0 from FIFO
.4byte UART_RBR, 0x01, read08_test # Read 1 from FIFO
.4byte UART_THR, 0x12, write08_test # Write 18 to transmit register, showing space in FIFO
.4byte 0x0, 0x0401, uart_data_wait
.4byte UART_RBR, 0x02, read08_test # Read 2 from FIFO
.4byte UART_RBR, 0x03, read08_test # Read 3 from FIFO
.4byte UART_RBR, 0x04, read08_test # Read 4 from FIFO
.4byte UART_RBR, 0x05, read08_test # Read 5 from FIFO
.4byte UART_RBR, 0x06, read08_test # Read 6 from FIFO
.4byte UART_RBR, 0x07, read08_test # Read 7 from FIFO
.4byte UART_RBR, 0x08, read08_test # Read 8 from FIFO
.4byte UART_RBR, 0x09, read08_test # Read 9 from FIFO
.4byte UART_RBR, 0x0A, read08_test # Read 10 from FIFO
.4byte UART_RBR, 0x0B, read08_test # Read 11 from FIFO
.4byte UART_RBR, 0x0C, read08_test # Read 12 from FIFO
.4byte UART_RBR, 0x0D, read08_test # Read 13 from FIFO
.4byte UART_RBR, 0x0E, read08_test # Read 14 from FIFO
.4byte UART_RBR, 0x0F, read08_test # Read 15 from FIFO
.4byte 0x0, 0x0, terminate_test