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Add a basic IPC setup with Channel Object.

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Pass a process a channel endpoint on startup that it will use to
get it's initial capabilities.
This commit is contained in:
Drew Galbraith 2023-06-07 08:24:10 -07:00
parent b79ec07636
commit 81b925eea0
15 changed files with 341 additions and 20 deletions
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22
zion/include/zcall.h
View file

@ -32,13 +32,21 @@
#define Z_INIT_BOOT_VMMO 0x31
// IPC Calls
#define Z_CHANNEL_CREATE 0x40
#define Z_CHANNEL_SEND 0x41
#define Z_CHANNEL_RECV 0x42
#define Z_CHANNEL_SENDRECV 0x43
// Debugging Calls.
#define Z_DEBUG_PRINT 0x10000000
void ZProcessExit(uint64_t code);
[[nodiscard]] uint64_t ZProcessSpawn(uint64_t proc_cap, uint64_t* new_proc_cap,
uint64_t* new_vmas_cap);
[[nodiscard]] uint64_t ZProcessSpawn(uint64_t proc_cap, uint64_t bootstrap_cap,
uint64_t* new_proc_cap,
uint64_t* new_vmas_cap,
uint64_t* new_bootstrap_cap);
// UNUSED for now, I think we can get away with just starting a thread.
[[nodiscard]] uint64_t ZProcessStart(uint64_t proc_cap, uint64_t thread_cap,
@ -56,4 +64,14 @@ void ZThreadExit();
uint64_t vmmo_cap, uint64_t* vaddr);
[[nodiscard]] uint64_t ZMemoryObjectCreate(uint64_t size, uint64_t* vmmo_cap);
[[nodiscard]] uint64_t ZChannelCreate(uint64_t* channel1, uint64_t* channel2);
[[nodiscard]] uint64_t ZChannelSend(uint64_t chan_cap, uint64_t type,
uint64_t num_bytes, const uint8_t* bytes,
uint64_t num_caps, const uint64_t* caps);
[[nodiscard]] uint64_t ZChannelRecv(uint64_t chan_cap, uint64_t num_bytes,
uint8_t* bytes, uint64_t num_caps,
uint64_t* caps, uint64_t* type,
uint64_t* actual_bytes,
uint64_t* actual_caps);
[[nodiscard]] uint64_t ZDebug(const char* message);

1
zion/include/zerrors.h
View file

@ -5,3 +5,4 @@
#define ZE_INVALID 0x2
#define ZE_DENIED 0x4
#define ZE_UNIMPLEMENTED 0x8
#define ZE_BUFF_SIZE 0x10