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Implemented SP, DP, and SI events

Browse source 
Inject a thread pause into infinite loops to allow the idle thread to
yield for event processing
Removed all preemption usage from the scheduler
This commit is contained in:
Mr-Wiseguy 2022-11-18 16:12:39 -05:00
parent b94fe6f5fb
commit 39b67c8468
20 changed files with 449 additions and 113 deletions
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23
recomp.h
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@ -3,6 +3,7 @@
#include <stdint.h>
#include <math.h>
#include <assert.h>
#if 0 // treat GPRs as 32-bit, should be better codegen
typedef uint32_t gpr;
@ -22,9 +23,6 @@ typedef uint64_t gpr;
#define SUB32(a, b) \
((gpr)(int32_t)((a) - (b)))
#define MEM_D(offset, reg) \
(*(int64_t*)(rdram + ((((reg) + (offset))) & 0x3FFFFFF)))
#define MEM_W(offset, reg) \
(*(int32_t*)(rdram + ((((reg) + (offset))) & 0x3FFFFFF)))
@ -40,6 +38,22 @@ typedef uint64_t gpr;
#define MEM_BU(offset, reg) \
(*(uint8_t*)(rdram + ((((reg) + (offset)) ^ 3) & 0x3FFFFFF)))
#define SD(val, offset, reg) { \
*(uint32_t*)(rdram + ((((reg) + (offset) + 4)) & 0x3FFFFFF)) = (uint32_t)((val) >> 32); \
*(uint32_t*)(rdram + ((((reg) + (offset) + 0)) & 0x3FFFFFF)) = (uint32_t)((val) >> 0); \
}
static inline uint64_t load_doubleword(uint8_t* rdram, gpr reg, gpr offset) {
uint64_t ret = 0;
uint64_t lo = (uint64_t)(uint32_t)MEM_W(reg, offset + 4);
uint64_t hi = (uint64_t)(uint32_t)MEM_W(reg, offset + 0);
ret = (lo << 0) | (hi << 32);
return ret;
}
#define LD(offset, reg) \
load_doubleword(rdram, offset, reg)
// TODO proper lwl/lwr/swl/swr
#define MEM_WL(offset, reg) \
(*(int32_t*)(rdram + ((((reg) + (offset))) & 0x3FFFFFF)))
@ -86,6 +100,9 @@ typedef uint64_t gpr;
#define TRUNC_W_D(val) \
((int32_t)(val))
#define NAN_CHECK(val) \
assert(val == val)
typedef union {
double d;
struct {