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https://github.com/openhwgroup/cvw
synced 2025-02-11 06:05:49 +00:00
added in the CSR name for stimecmp(h)
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@ -145,8 +145,8 @@ cause_s_time_interrupt:
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bgtu t3, t2, nowrap_s // check new time exceeds current time (no wraparound)
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addi t6, t6, 1 // if wrap, increment most significant word
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nowrap_s:
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csrw 0x14D, t3 // store into STIMECMP
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csrw 0x15D, t6 // store into STIMECMPH
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csrw stimecmp, t3 // store into STIMECMP
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csrw stimecmph, t6 // store into STIMECMPH
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time_loop_s:
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addi a3, a3, -1
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bnez a3, time_loop_s // go through this loop for [a3 value] iterations before returning without performing interrupt
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@ -558,8 +558,8 @@ time_interrupt_\MODE\():
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li t2, 0xFFFFFFFF
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sw t2, 0(t0) // reset interrupt by setting mtimecmp to max
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//sw t2, 4(t0) // reset interrupt by setting mtimecmpH to max
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csrw 0x14D, t2 // reset stime interrupts by doing the same to stimecmp and stimecmpH.
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csrw 0x15D, t2
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csrw stimecmp, t2 // reset stime interrupts by doing the same to stimecmp and stimecmpH.
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csrw stimecmph, t2
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li t0, 0x20
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@ -145,7 +145,7 @@ cause_s_time_interrupt:
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lw t2, 0(t5) // low word of MTIME
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lw t6, 4(t5) // high word of MTIME
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add t3, t2, t3 // add desired offset to the current time
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csrw 0x14D, t3 // store into most significant word of STIMECMP
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csrw stimecmp, t3 // store into most significant word of STIMECMP
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time_loop_s:
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addi a3, a3, -1
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bnez a3, time_loop_s // go through this loop for [a3 value] iterations before returning without performing interrupt
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@ -548,7 +548,7 @@ time_interrupt_\MODE\():
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la t0, 0x02004000 // MTIMECMP register in CLINT
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li t2, 0xFFFFFFFF
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sd t2, 0(t0) // reset interrupt by setting mtimecmp to max
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csrw 0x14D, t2 // reset stime interrupts by doing the same.
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csrw stimecmp, t2 // reset stime interrupts by doing the same.
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li t0, 0x20
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csrc \MODE\()ip, t0
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