wash/rosetta
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lib: msg: implement generic messave init and receive

Browse Source
This commit is contained in:
max 🍓
2026-02-23 21:56:16 +00:00
parent 02d4f43151
commit d32988c56c
3 changed files with 48 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/libmsg/CMakeLists.txt
View File

@@ -18,4 +18,4 @@ sysroot_add_library(
HEADER_DIR /usr/include HEADER_DIR /usr/include
LIB_DIR /usr/lib) LIB_DIR /usr/lib)
target_link_libraries(libmsg libmango) target_link_libraries(libmsg libmango ulibc)

16
lib/libmsg/include/rosetta/msg.h
View File

@@ -3,6 +3,7 @@
#define ROSETTA_MSG_MAGIC 0x9AB07D10U #define ROSETTA_MSG_MAGIC 0x9AB07D10U
#include <mango/msg.h>
#include <stdint.h> #include <stdint.h>
struct rosetta_msg { struct rosetta_msg {
@@ -12,4 +13,19 @@ struct rosetta_msg {
uint16_t msg_reserved; uint16_t msg_reserved;
}; };
struct rosetta_msg_string {
char *s_buf;
size_t s_len;
size_t s_max;
};
extern void rosetta_msg_init(
struct rosetta_msg *msg,
uint32_t protocol_id,
uint16_t msg_id);
extern kern_status_t rosetta_msg_recv(
kern_handle_t channel,
msgid_t *out_id,
struct rosetta_msg *out_msg);
#endif #endif

32
lib/libmsg/msg.c
View File

@@ -1,3 +1,33 @@
void msg_tmp(void) #include <rosetta/msg.h>
#include <string.h>
void rosetta_msg_init(
struct rosetta_msg *msg,
uint32_t protocol_id,
uint16_t msg_id)
{ {
memset(msg, 0x0, sizeof *msg);
msg->msg_magic = ROSETTA_MSG_MAGIC;
msg->msg_protocol = protocol_id;
msg->msg_id = msg_id;
}
kern_status_t rosetta_msg_recv(
kern_handle_t channel,
msgid_t *out_id,
struct rosetta_msg *out_msg)
{
struct iovec iov = IOVEC(out_msg, sizeof *out_msg);
struct msg kmsg = MSG(&iov, 1, NULL, 0);
kern_status_t status = msg_recv(channel, 0, out_id, &kmsg);
if (status != KERN_OK) {
return status;
}
if (out_msg->msg_magic != ROSETTA_MSG_MAGIC) {
return KERN_INVALID_ARGUMENT;
}
return KERN_OK;
} }