diff options
author | Scott Johnson <scott.johnson@arilinc.com> | 2021-10-06 11:03:36 -0700 |
---|---|---|
committer | Scott Johnson <scott.johnson@arilinc.com> | 2021-10-06 11:03:37 -0700 |
commit | 4618ca82bea2794dacc8d94ad93561fd94612e1b (patch) | |
tree | 6f4c5c59e0c1102be56be332a3f760f08993d88e /riscv/csrs.h | |
parent | 2e873ce98e7afc0304cffe8f6ea2d7afea8efc2a (diff) | |
download | spike-4618ca82bea2794dacc8d94ad93561fd94612e1b.zip spike-4618ca82bea2794dacc8d94ad93561fd94612e1b.tar.gz spike-4618ca82bea2794dacc8d94ad93561fd94612e1b.tar.bz2 |
Give sstatus_csr_t handles to its base_status_csr_t constituents
So I can add specialized methods to base_status_csr_t next, for use
from within sstatus_csr_t.
Diffstat (limited to 'riscv/csrs.h')
-rw-r--r-- | riscv/csrs.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/riscv/csrs.h b/riscv/csrs.h index cfd766e..3eb6bf5 100644 --- a/riscv/csrs.h +++ b/riscv/csrs.h @@ -190,6 +190,8 @@ class base_status_csr_t: public csr_t { reg_t compute_sstatus_write_mask() const noexcept; }; +typedef std::shared_ptr<base_status_csr_t> base_status_csr_t_p; + // For vsstatus, which is its own separate architectural register // (unlike sstatus) @@ -245,12 +247,15 @@ class mstatush_csr_t: public csr_t { class sstatus_csr_t: public virtualized_csr_t { public: - sstatus_csr_t(processor_t* const proc, csr_t_p orig, csr_t_p virt); + sstatus_csr_t(processor_t* const proc, base_status_csr_t_p orig, base_status_csr_t_p virt); // Set FS, VS, or XS bits to dirty void dirty(const reg_t dirties); // Return true if the specified bits are not 00 (Off) bool enabled(const reg_t which); + private: + base_status_csr_t_p orig_sstatus; + base_status_csr_t_p virt_sstatus; }; typedef std::shared_ptr<sstatus_csr_t> sstatus_csr_t_p; |