Add kernel mode hooks and reminders for other architectures
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3484 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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@ -108,6 +108,17 @@ void up_initial_state(_TCB *tcb)
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xcp->regs[REG_PC] = (uint32_t)tcb->start;
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xcp->regs[REG_PC] = (uint32_t)tcb->start;
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/* Set supervisor- or user-mode, depending on how NuttX is configured and
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* what kind of thread is being started. Disable FIQs in any event
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*
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* If the kernel build is not selected, then all threads run in
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* supervisor-mode.
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*/
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#ifdef CONFIG_NUTTX_KERNEL
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# error "Missing logic for the CONFIG_NUTTX_KERNEL build"
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#endif
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/* Enable or disable interrupts, based on user configuration */
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/* Enable or disable interrupts, based on user configuration */
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# ifdef CONFIG_SUPPRESS_INTERRUPTS
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# ifdef CONFIG_SUPPRESS_INTERRUPTS
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@ -99,8 +99,28 @@ void up_initial_state(_TCB *tcb)
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/* Initialize the initial exception register context structure */
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/* Initialize the initial exception register context structure */
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memset(xcp, 0, sizeof(struct xcptcontext));
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memset(xcp, 0, sizeof(struct xcptcontext));
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/* Set the initial stack pointer to the "base" of the allocated stack */
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xcp->regs[REG_SP] = (uint32_t)tcb->adj_stack_ptr;
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xcp->regs[REG_SP] = (uint32_t)tcb->adj_stack_ptr;
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/* Save the task entry point */
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xcp->regs[REG_PC] = (uint32_t)tcb->start;
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xcp->regs[REG_PC] = (uint32_t)tcb->start;
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/* Set supervisor- or user-mode, depending on how NuttX is configured and
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* what kind of thread is being started. Disable FIQs in any event
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*
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* If the kernel build is not selected, then all threads run in
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* supervisor-mode.
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*/
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#ifdef CONFIG_NUTTX_KERNEL
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# error "Missing logic for the CONFIG_NUTTX_KERNEL build"
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#endif
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/* Enable or disable interrupts, based on user configuration */
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#ifdef CONFIG_SUPPRESS_INTERRUPTS
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#ifdef CONFIG_SUPPRESS_INTERRUPTS
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xcp->regs[REG_SR] = up_getsr() | 0x000000f0;
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xcp->regs[REG_SR] = up_getsr() | 0x000000f0;
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#else
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#else
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@ -104,6 +104,17 @@ void up_initial_state(_TCB *tcb)
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xcp->regs[REG_CS] = up_getcs();
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xcp->regs[REG_CS] = up_getcs();
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xcp->regs[REG_SS] = up_getss();
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xcp->regs[REG_SS] = up_getss();
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/* Set supervisor- or user-mode, depending on how NuttX is configured and
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* what kind of thread is being started. Disable FIQs in any event
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*
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* If the kernel build is not selected, then all threads run in
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* supervisor-mode.
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*/
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#ifdef CONFIG_NUTTX_KERNEL
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# error "Missing logic for the CONFIG_NUTTX_KERNEL build"
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#endif
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/* Enable or disable interrupts, based on user configuration. If the IF
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/* Enable or disable interrupts, based on user configuration. If the IF
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* bit is set, maskable interrupts will be enabled.
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* bit is set, maskable interrupts will be enabled.
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*/
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*/
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