diff options
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/device/1760262')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/device/1760262 | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/device/1760262 b/results/classifier/deepseek-2-tmp/output/device/1760262 deleted file mode 100644 index 5a5bd43c..00000000 --- a/results/classifier/deepseek-2-tmp/output/device/1760262 +++ /dev/null @@ -1,32 +0,0 @@ - -cmsdk-apb-uart doesn't appear to clear interrupt flags - -I have been writing a small operating system and using QEMU emulating the mps2-an385 board for some of my testing. - -During development of the uart driver I observed some odd behaviour with the TX interrupt -- writing a '1' to bit 0 of the INTCLEAR register doesn't clear the TX interrupt flag, and the interrupt fires continuously. - -It's possible that I have an error somewhere in my code, but after inspecting the QEMU source it does appear to be a QEMU bug. I applied the following patch and it solved my issue: - -From 9875839c144fa60a3772f16ae44d32685f9328aa Mon Sep 17 00:00:00 2001 -From: Patrick Oppenlander <email address hidden> -Date: Sat, 31 Mar 2018 15:10:28 +1100 -Subject: [PATCH] hw/char/cmsdk-apb-uart: fix clearing of interrupt flags - ---- - hw/char/cmsdk-apb-uart.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/hw/char/cmsdk-apb-uart.c b/hw/char/cmsdk-apb-uart.c -index 1ad1e14295..64991bd9d7 100644 ---- a/hw/char/cmsdk-apb-uart.c -+++ b/hw/char/cmsdk-apb-uart.c -@@ -274,6 +274,7 @@ static void uart_write(void *opaque, hwaddr offset, uint64_t value, - * is then reflected into the intstatus value by the update function). - */ - s->state &= ~(value & (R_INTSTATUS_TXO_MASK | R_INTSTATUS_RXO_MASK)); -+ s->intstatus &= ~(value & ~(R_INTSTATUS_TXO_MASK | R_INTSTATUS_RXO_MASK)); - cmsdk_apb_uart_update(s); - break; - case A_BAUDDIV: --- -2.16.2 \ No newline at end of file |