no1wudi closed pull request #15563: arch/risc-v: Implement up_this_task using
Thread Pointer (TP)
URL: https://github.com/apache/nuttx/pull/15563
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pussuw commented on code in PR #15563:
URL: https://github.com/apache/nuttx/pull/15563#discussion_r1916605359
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arch/risc-v/src/common/riscv_macros.S:
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@@ -58,7 +58,9 @@
#ifdef RISCV_SAVE_GP
REGSTORE x3, REG_X3(\in)/* gp */
#endif
+#ifdef CONFIG_SCHED_THREAD_LOCAL
pussuw commented on code in PR #15563:
URL: https://github.com/apache/nuttx/pull/15563#discussion_r1916606055
##
arch/risc-v/include/irq.h:
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@@ -749,6 +749,34 @@ int up_this_cpu(void);
* Inline Functions
*
pussuw commented on code in PR #15563:
URL: https://github.com/apache/nuttx/pull/15563#discussion_r1916604161
##
arch/risc-v/src/common/riscv_initialstate.c:
##
@@ -153,6 +153,8 @@ void up_initial_state(struct tcb_s *tcb)
#ifdef CONFIG_SCHED_THREAD_LOCAL
xcp->regs[REG_TP]
pussuw commented on code in PR #15563:
URL: https://github.com/apache/nuttx/pull/15563#discussion_r1916597216
##
arch/risc-v/include/irq.h:
##
@@ -749,6 +749,34 @@ int up_this_cpu(void);
* Inline Functions
*
nuttxpr commented on PR #15563:
URL: https://github.com/apache/nuttx/pull/15563#issuecomment-2592227778
[**\[Experimental Bot, please feedback
here\]**](https://github.com/search?q=repo%3Aapache%2Fnuttx+13552&type=issues)
Yes, this PR appears to meet the NuttX requirements, al
no1wudi opened a new pull request, #15563:
URL: https://github.com/apache/nuttx/pull/15563
## Summary
- Added up_this_task() and up_update_task() macros to use TP register for
fast task pointer access
- Modified CPU startup and initial state code to initialize TP with task
pointer
