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riscv: g_current_regs is only used to determine if we are in irq #13561

Merged
merged 1 commit into from
Sep 20, 2024
Merged

riscv: g_current_regs is only used to determine if we are in irq #13561

merged 1 commit into from
Sep 20, 2024
+45 −304

Commits on Sep 20, 2024

  1. riscv: g_current_regs is only used to determine if we are in irq, 

           with other functionalities removed.

reason:
  by doing this we can reduce context switch time,
  When we exit from an interrupt handler, we directly use tcb->xcp.regs

before
   text    data     bss     dec     hex filename
 138805     337   24256  163398   27e46 nuttx

after
   text    data     bss     dec     hex filename
 138499     337   24240  163076   27d04 nuttx

 szie change -322
Signed-off-by: hujun5 <[email protected]>
    @hujun260
    hujun260 committed Sep 20, 2024
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