mirror/uvm32
1
Fork 0
mirror of https://github.com/ringtailsoftware/uvm32.git synced 2026-06-05 22:43:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

12
host-parallel/host-parallel.c
View file

@ -13,12 +13,12 @@
#define SCHEDULE_RANDOM() scheduler_index = rand()%NUM_VM
// Precompiled binary program to print integers
// This code expects to print via CSR 0x13C (IOREQ_PRINTD in common/uvm32_common_custom.h)
// This code expects to print via syscall 0x13C (IOREQ_PRINTD in common/uvm32_common_custom.h)
uint8_t rom[] = {
0x23, 0x26, 0x11, 0x00, 0xef, 0x00, 0x00, 0x01, 0x73, 0x50, 0x80, 0x13,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x93, 0x07, 0x00, 0x00,
0x13, 0x07, 0xa0, 0x00, 0x73, 0x90, 0xc7, 0x13, 0x93, 0x87, 0x17, 0x00,
0xe3, 0x9c, 0xe7, 0xfe, 0x67, 0x80, 0x00, 0x00
0x23, 0x26, 0x11, 0x00, 0xef, 0x00, 0x00, 0x01, 0x93, 0x08, 0x80, 0x13,
0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x05, 0x00, 0x00,
0x93, 0x07, 0xa0, 0x00, 0x93, 0x08, 0xc0, 0x13, 0x73, 0x00, 0x00, 0x00,
0x13, 0x05, 0x15, 0x00, 0xe3, 0x1a, 0xf5, 0xfe, 0x67, 0x80, 0x00, 0x00
};
// Create an identifier for our host handler
@ -28,7 +28,7 @@ typedef enum {
// Map VM ioreq IOREQ_PRINTD to F_PRINTD, tell VM to expect write of a U32
const uvm32_mapping_t env[] = {
{ .csr = IOREQ_PRINTD, .typ = IOREQ_TYP_U32_WR, .code = F_PRINTD },
{ .syscall = IOREQ_PRINTD, .typ = IOREQ_TYP_U32_WR, .code = F_PRINTD },
};
int main(int argc, char *argv[]) {