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Rework host/target interface to use ecall and proper syscalls instead of CSRs

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This commit is contained in:
Toby Jaffey 2025-12-08 02:44:38 +00:00
parent a305fce466
commit 751f068486
26 changed files with 360 additions and 364 deletions
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8
host-arduino/uvm32.h
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@ -13,7 +13,7 @@
X(UVM32_ERR_NOTREADY) \
X(UVM32_ERR_MEM_RD) \
X(UVM32_ERR_MEM_WR) \
X(UVM32_ERR_BAD_CSR) \
X(UVM32_ERR_BAD_SYSCALL) \
X(UVM32_ERR_HUNG) \
X(UVM32_ERR_INTERNAL_CORE) \
X(UVM32_ERR_INTERNAL_STATE) \
@ -40,9 +40,9 @@ typedef enum {
typedef uint32_t uvm32_user_ioreq_code_t;
// user supplied mapping from csr to typed ioreq
// user supplied mapping from syscall to typed ioreq
typedef struct {
uint32_t csr;
uint32_t syscall;
uvm32_user_ioreq_code_t code;
uvm32_ioreq_typ_t typ;
} uvm32_mapping_t;
@ -75,11 +75,9 @@ typedef struct {
} data;
} uvm32_evt_t;
void uvm32_HandleOtherCSRWrite(void *userdata, uint16_t csrno, uint32_t value);
#define MINIRV32_DECORATE static
#define MINI_RV32_RAM_SIZE UVM32_MEMORY_SIZE
#define MINIRV32_POSTEXEC(pc, ir, retval) {if (retval > 0) return 3;}
#define MINIRV32_OTHERCSR_WRITE(csrno, value) uvm32_HandleOtherCSRWrite(userdata, csrno, value);
#ifndef MINIRV32_IMPLEMENTATION
#define MINIRV32_STEPPROTO
#endif