mirror/uvm32
1
Fork 0
mirror of https://github.com/ringtailsoftware/uvm32.git synced 2026-06-06 06:53:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Cleanup syscall numbers

Browse source
This commit is contained in:
Toby Jaffey 2025-12-08 12:53:33 +00:00
parent 61fe0e8647
commit 9d6e6790e1
19 changed files with 32 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

15
host-arduino/common/uvm32_common_custom.h
View file

@ -1,10 +1,11 @@
// Definitions needed by both host and target
// CSRs for exposed host functions
#define UVM32_SYSCALL_PRINT 0x13A
#define UVM32_SYSCALL_PRINTLN 0x13B
#define UVM32_SYSCALL_PRINTD 0x13C
#define UVM32_SYSCALL_PRINTX 0x13D
#define UVM32_SYSCALL_MILLIS 0x13F
#define UVM32_SYSCALL_PRINTC 0x140
// syscalls for exposed host functions, start at 0
#define UVM32_SYSCALL_PRINTC 0x00000000
#define UVM32_SYSCALL_GETC 0x00000001
#define UVM32_SYSCALL_PRINT 0x00000002
#define UVM32_SYSCALL_PRINTLN 0x00000003
#define UVM32_SYSCALL_PRINTD 0x00000004
#define UVM32_SYSCALL_PRINTX 0x00000005
#define UVM32_SYSCALL_MILLIS 0x00000006

6
host-arduino/common/uvm32_sys.h
View file

@ -1,5 +1,5 @@
// System provided UVM32_SYSCALLs
#define UVM32_SYSCALL_HALT 0x138
#define UVM32_SYSCALL_YIELD 0x139
// System provided UVM32_SYSCALLs, start at 0x10000000
#define UVM32_SYSCALL_HALT 0x1000000
#define UVM32_SYSCALL_YIELD 0x1000001
#include "uvm32_common_custom.h"

2
host-arduino/uvm32.cpp
View file

@ -154,6 +154,7 @@ uint32_t uvm32_run(uvm32_state_t *vmst, uvm32_evt_t *evt, uint32_t instr_meter)
get_safeptr_terminated(vmst, value, 0x00, &vmst->ioevt.data.syscall.val.buf);
break;
case UVM32_SYSCALL_TYP_U32_RD:
// pass link to r1 for user function to update
vmst->ioevt.data.syscall.val.u32p = &vmst->core->regs[11];
break;
}
@ -167,6 +168,7 @@ uint32_t uvm32_run(uvm32_state_t *vmst, uvm32_evt_t *evt, uint32_t instr_meter)
}
// no mapping found
if (!syscall_valid) {
printf("BADSYS %08x halt=%08x YIELD=%08x\n", syscall, UVM32_SYSCALL_HALT, UVM32_SYSCALL_YIELD);
setStatusErr(vmst, UVM32_ERR_BAD_SYSCALL);
}
break;

5
host-arduino/uvm32.h
View file

@ -3,10 +3,7 @@
#include <stdint.h>
#include <stdbool.h>
// "well-known" system UVM32_SYSCALL functions
#define UVM32_SYSCALL_HALT 0x138
#define UVM32_SYSCALL_YIELD 0x139
#include "common/uvm32_sys.h"
#define LIST_OF_UVM32_ERRS \
X(UVM32_ERR_NONE) \