refactor KO_MEMORY_MAPPING invoke

1 files changed, 0 insertions, 148 deletions

diff --git a/arch/x86_64/syscall-invoke-mapping.c b/arch/x86_64/syscall-invoke-mapping.c
deleted file mode 100644
index 5b79239..0000000
--- a/arch/x86_64/syscall-invoke-mapping.c
+++ /dev/null
@@ -1,148 +0,0 @@
-#include "syscall/handles.h"
-#include "arch/x86_64/syscall.h"
-#include "arch/x86_64/page.h"
-#include <stddef.h>
-#include "error.h"
-#include "lock.h"
-#include "string.h"
-#include "memory.h"
-#include "print.h"
-
-static int
-s_handle_invoke_mapping_release(
-        objdir_t *root_dir, 
-        objdir_entry_t *target_entry, 
-        uint8_t *payload,
-        size_t payload_at
-        )
-{
-#ifdef DBG_SYSCALL
-    klogf("release mapping %p\n", target_entry);
-#endif
-    target_entry->data = 0;
-    target_entry->type = KO_NONE;
-    return 0;
-}
-
-static int
-s_handle_invoke_mapping_get(
-        objdir_t *root_dir, 
-        objdir_entry_t *target_entry, 
-        uint8_t *payload, 
-        size_t payload_at
-        )
-{
-    pmli_t pmli;
-    SYSCALL_PAYLOAD_TAKEL(payload, payload_at, pmli, pmli_t);
-
-    if(pmli > 511) return KE_OOB;
-
-    uint8_t level = target_entry->data & 3;
-    pmle_t *target_pml = (pmle_t*)vmem_phys_tovirt(target_entry->data & ~3ULL);
-    if(level == 3 && pmli > 255) return KE_OOB;
-    if(level < 0) return KE_BADOBJ;
-
-    size_t dest_pathw;
-    objdir_entry_t *dest_entry;
-    SYSCALL_PAYLOAD_TAKEOBJ(payload, payload_at, dest_pathw, dest_entry);
-
-    if(dest_entry->type != KO_NONE) return KE_FULL;
-
-    pmle_t pmle = target_pml[pmli];
-    if(!pmle.p) return KE_DNE;
-
-    *dest_entry = (objdir_entry_t) {
-        .type = KO_MEMORY_MAPPING,
-        .data = (((uintptr_t)target_pml[pmli].paddr) << 12ULL) | (level - 1)
-    };
-#ifdef DBG_SYSCALL
-    klogf("Get pml%i %p[%i] -> %p\n", level, target_pml, pmli, dest_entry->data & ~3ULL);
-#endif
-    return 0;
-}
-
-static int
-s_handle_invoke_mapping_map(
-        objdir_t *root_dir, 
-        objdir_entry_t *target_entry, 
-        uint8_t *payload, 
-        size_t payload_at
-        )
-{
-    uint8_t level = target_entry->data & 3;
-    pmle_t *target_pml = (pmle_t*)vmem_phys_tovirt(target_entry->data & ~3ULL);
-
-    pmli_t pmli;
-    SYSCALL_PAYLOAD_TAKEL(payload, payload_at, pmli, pmli_t);
-
-    if(pmli > 511) return KE_OOB;
-    if(level == 3 && pmli > 255) return KE_OOB;
-    if(level < 0) return KE_BADOBJ;
-
-    size_t untyped_pathw;
-    objdir_entry_t *untyped_entry;
-    SYSCALL_PAYLOAD_TAKEOBJ(payload, payload_at, untyped_pathw, untyped_entry);
-    
-    if(untyped_entry->type != KO_MEMORY_UNTYPED) return KE_BADOBJ;
-    mtx_acquire(&untyped_entry->lock);
-
-    if((untyped_entry->data & 0xFFF) != 0) {
-        mtx_release(&untyped_entry->lock);
-        return KE_ALIGN;
-    }
-
-    uintptr_t untyped_phys = untyped_entry->data;
-    size_t *untyped = ko_entry_data(untyped_entry);
-    size_t untyped_size = *untyped;
-    if(untyped_size != 0x1000) {
-        mtx_release(&untyped_entry->lock);
-        return KE_BADSIZE;
-    }
-
-    pmle_t pmle = target_pml[pmli];
-    if(pmle.p) {
-        mtx_release(&untyped_entry->lock);
-        return KE_OCCUPIED;
-    }
-    
-    target_pml[pmli].value = untyped_phys | PAGE_RW | PAGE_US | PAGE_PRESENT;
-    if(level != 0) {
-        memset(untyped, 0, 0x1000);
-    }
-    untyped_entry->type = KO_MEMORY_MAPPING;
-    untyped_entry->data |= level - 1;
-
-#ifdef DBG_SYSCALL
-    klogf("map %p[%p] to pml%i %p[%i]\n", untyped_entry, untyped_phys, level, target_pml, pmli);
-#endif
-
-    mtx_release(&untyped_entry->lock);
-    return 0;
-}
-
-static int (*s_invoke_handles[])(objdir_t*, objdir_entry_t*, uint8_t*, size_t) = {
-    [INVOKE_MAPPING_RELEASE] = s_handle_invoke_mapping_release,
-    [INVOKE_MAPPING_GET] = s_handle_invoke_mapping_get,
-    [INVOKE_MAPPING_MAP] = s_handle_invoke_mapping_map,
-};
-
-static size_t s_invoke_handles_count = sizeof(s_invoke_handles) / sizeof(void*);
-
-int
-syscall_handle_invoke_mapping(
-        objdir_t *root_dir, 
-        objdir_entry_t *target, 
-        uint8_t *payload, 
-        size_t payload_at
-        )
-{
-    uint8_t funcid;
-    SYSCALL_PAYLOAD_TAKEL(payload, payload_at, funcid, uint8_t);
-
-    if(funcid >= s_invoke_handles_count) return KE_BADFUNC;
-    int r = s_invoke_handles[funcid](root_dir, target, payload, payload_at);
-#ifdef DBG_SYSCALL
-    klogf("Call returns %i\n", r);
-#endif
-    return r;
-}