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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/peripherals/696094')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/peripherals/696094 | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/peripherals/696094 b/results/classifier/deepseek-2-tmp/output/peripherals/696094 deleted file mode 100644 index 1c101eb8d..000000000 --- a/results/classifier/deepseek-2-tmp/output/peripherals/696094 +++ /dev/null @@ -1,39 +0,0 @@ - -TI Stellaris lm3s811evb (ARM Cortex-M3) : Systick interrupt not working - -I've tried to create a small project that uses the CMSIS as base library. -The problem is that the SysTick_interrupt_handler() doesn't get executed when the systick event is detected in QEMU. Furthermore, it seems asif QEMU gets stuck in an endless loop. QEMU doesn't respond to Ctrl-C on the command line and the GDB session also stalls. 'kill -9' is the only way to stop QEMU. - -It seems asif the initialisation of the NVIC works fine. I've traced the function calls in QEMU as follows: -stellaris.c: stellaris_init() - Perform generic armv7 init: armv7m_init() - armv7m.c: armv7m_init() - Create and init the nvic: - nvic = qdev_create(NULL, "armv7m_nvic"); - env->nvic = nvic; - qdev_init_nofail(nvic); - - Configure the programmable interrupt controller: - Call: arm_pic_init_cpu() - qemu_allocate_irqs(arm_pic_cpu_handler) - - Initialise 64 interrupt structures. - -The following call sequence is observed when the systick event occur: -armv7m_nvic.c: systick_timer_tick(): set pending interrupt -armv7m_nvic.c: armv7m_nvic_set_pending() for irq:15 - arm_gic.c: gic_set_pending_private(): GIC_SET_PENDING(15,) - arm_gic.c: gic_update() - Raise IRQ with qemu_set_irq() - irq.c: eqmu_set_irq() - Call the irq->handler - -- I assume the irq handler is 'arm_pic_cpu_handler()', - since that was passed as the parameter when - qemu_allocate_irqs() was called in ... - arm_pic.c: arm_pic_cpu_handler() - After evaluation, call cpu_interrupt() - exec.c: cpu_interrupt() is called. - -The tools that were used during the testing of this project: - GCC: Codesourcery ARM eabi 2010q3 - QEMU: Checked out on 31/12/2010 - Last commit: 0fcec41eec0432c77645b4a407d3a3e030c4abc4 -The project files are attached, for reproducing of the errors. - Note: The CMSIS wants to perform byte accesses to the NVIC. For the Cortex-M3, unaligned 8 bit and 16 bit accesses are allowed. The current QEMU implementation doesn't yet cater for it. As a work around, updated versions of -arm_gic.c armv7m_nvic.h armv7m_nvic.c is also included. - -Launch project with: go_gdb.sh -Attach debugger with: arm-none-eabi-gdbtui --command=gdbCommands_tui -(s = step, n = next, c = continue, Ctrl-C = stop, print <variable> to look at variable contents) \ No newline at end of file |