From 1f4260648f02db1b4fe8c60fe36f936125042880 Mon Sep 17 00:00:00 2001 From: Jon Santmyer Date: Sun, 13 Sep 2026 12:11:20 -0400 Subject: add usermode io access obj --- arch/x86_64/hal/process.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'arch/x86_64/hal/process.c') diff --git a/arch/x86_64/hal/process.c b/arch/x86_64/hal/process.c index 6cc9372..c766a28 100644 --- a/arch/x86_64/hal/process.c +++ b/arch/x86_64/hal/process.c @@ -3,11 +3,13 @@ #include "hal/obj.h" #include "hal/process.h" #include "hal/smp.h" +#include "lib/string.h" #include "init.h" #include "smp.h" #include "paging.h" #include "jove.h" +PAGEALIGN uint8_t s_init_iopb[0x2000]; PAGEALIGN char s_init_pcb_bytes[0x1000] = { 0 }; static pcb_t *s_init_pcb = (pcb_t*)&s_init_pcb_bytes; @@ -35,22 +37,29 @@ pcb_pid(pcb_t *pcb) jove_owned_obj_t* pcb_rootdir(pcb_t *pcb) { - return obj_take(pcb->rootdir); + return pcb->rootdir; } void processing_setup(void (*process_main)) { + memset(s_init_iopb, 0xFF, 0x2000); uintptr_t ksp = ((uintptr_t)&s_init_pcb_bytes) + 0xFF8; s_init_pcb->pid = 1; s_init_pcb->ksp = (void*)ksp; s_init_pcb->pml4 = paging_get_pml4(); - s_init_pcb->rootdir = _rootdir_obj; + s_init_pcb->rootdir = obj_take(_rootdir_obj); + + jove_owned_obj_t *iopb_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_IOPB_I); + obj_settype(iopb_obj, JOVE_OBJ_IOPB); + obj_setvalue(iopb_obj, (uintptr_t)s_init_iopb); processor_t *proc = processor_current(); proc->tss.rsp[0] = (uintptr_t)s_init_pcb->ksp; + memcpy(proc->iopb, s_init_iopb, 0x2000); + { jove_owned_obj_t *process_obj = objdir_getlocal(_rootdir_obj, ROOTDIR_PCB_I); obj_settype(process_obj, JOVE_OBJ_PROCESS); -- cgit v1.2.3