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target/nios2: Add NUM_GP_REGS and NUM_CP_REGS 

Split NUM_CORE_REGS into components that can be used elsewhere.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
[rth: Split out of a larger patch for shadow register sets.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-16-richard.henderson@linaro.org>
This commit is contained in:
Amir Gonnen 2022-04-21 08:16:46 -07:00 committed by Richard Henderson
parent 48b7eac207
commit 5ea3e9975b
1 changed files with 4 additions and 2 deletions
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6
target/nios2/cpu.h
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@ -56,9 +56,11 @@ struct Nios2CPUClass {
#define EXCEPTION_ADDRESS 0x00000004
#define FAST_TLB_MISS_ADDRESS 0x00000008
#define NUM_GP_REGS 32
#define NUM_CR_REGS 32
/* GP regs + CR regs + PC */
#define NUM_CORE_REGS (32 + 32 + 1)
#define NUM_CORE_REGS (NUM_GP_REGS + NUM_CR_REGS + 1)
/* General purpose register aliases */
#define R_ZERO 0
@ -79,7 +81,7 @@ struct Nios2CPUClass {
#define R_RA 31
/* Control register aliases */
#define CR_BASE 32
#define CR_BASE NUM_GP_REGS
#define CR_STATUS (CR_BASE + 0)
#define CR_STATUS_PIE (1 << 0)
#define CR_STATUS_U (1 << 1)