diff options
| author | bigmagic <[email protected]> | 2021-05-21 17:03:30 +0800 |
|---|---|---|
| committer | bigmagic <[email protected]> | 2021-05-21 17:10:07 +0800 |
| commit | b7c7c7f4dec7ec3708ff056b3d12c9750c835f38 (patch) | |
| tree | b06cf2b027a180b9d393a1ac69a08ec4b47b4d40 /libcpu/risc-v/virt64/stackframe.h | |
| parent | 0dc972bee60ed64032071fa482ee99f4e4c4ef57 (diff) | |
Support for running with M-Mode
Diffstat (limited to 'libcpu/risc-v/virt64/stackframe.h')
| -rw-r--r-- | libcpu/risc-v/virt64/stackframe.h | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/libcpu/risc-v/virt64/stackframe.h b/libcpu/risc-v/virt64/stackframe.h index e5a5271a7a..835f03ee3a 100644 --- a/libcpu/risc-v/virt64/stackframe.h +++ b/libcpu/risc-v/virt64/stackframe.h @@ -19,10 +19,10 @@ STORE x1, 1 * REGBYTES(sp) - csrr x1, sstatus + csrr x1, SRC_XSTATUS STORE x1, 2 * REGBYTES(sp) - csrr x1, sepc + csrr x1, SRC_XEPC STORE x1, 0 * REGBYTES(sp) STORE x3, 3 * REGBYTES(sp) @@ -54,17 +54,17 @@ STORE x29, 29 * REGBYTES(sp) STORE x30, 30 * REGBYTES(sp) STORE x31, 31 * REGBYTES(sp) - csrr t0, sscratch + csrr t0, SRC_XSCRATCH STORE t0, 32 * REGBYTES(sp) .endm .macro RESTORE_ALL_ONLY /* resw ra to sepc */ LOAD x1, 0 * REGBYTES(sp) - csrw sepc, x1 + csrw SRC_XEPC, x1 LOAD x1, 2 * REGBYTES(sp) - csrw sstatus, x1 + csrw SRC_XSTATUS, x1 LOAD x1, 1 * REGBYTES(sp) @@ -104,10 +104,10 @@ .macro RESTORE_ALL /* resw ra to sepc */ LOAD x1, 0 * REGBYTES(sp) - csrw sepc, x1 + csrw SRC_XEPC, x1 LOAD x1, 2 * REGBYTES(sp) - csrw sstatus, x1 + csrw SRC_XSTATUS, x1 LOAD x1, 1 * REGBYTES(sp) @@ -152,12 +152,4 @@ .option pop .endm -.macro OPEN_INTERRUPT - csrsi sstatus, 2 -.endm - -.macro CLOSE_INTERRUPT - csrci sstatus, 2 -.endm - #endif
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