remove explicit framebuffer in kernel. reduce locking in syscalls

1 files changed, 0 insertions, 99 deletions

diff --git a/sys/syscall_initrd_file.c b/sys/syscall_initrd_file.c
deleted file mode 100644
index 904039d..0000000
--- a/sys/syscall_initrd_file.c
+++ /dev/null
@@ -1,99 +0,0 @@
-#include "api/error.h"
-#include "boot/initrd.h"
-#include "lib/printf.h"
-#include "sys/message.h"
-#include "sys/syscall.h"
-#include "lib/string.h"
-
-int
-s_syscall_initrd_file_name(
-        jove_owned_obj_t *initrd_file,
-        jove_owned_obj_t *message,
-        void *message_data)
-{
-    const char *filename = initrd_file_name(initrd_file);
-    size_t filename_len = strlen(filename);
-
-    size_t bytes_left = 0x1000;
-    size_t bytes_needed = filename_len + sizeof(struct syscall_initrd_file_name_ret);
-
-    CHECK_TOOSMALL(bytes_needed, bytes_left, "Message is too small for file name.");
-    struct syscall_initrd_file_name_ret *payload = message_data;
-
-    payload->len = filename_len;
-    memcpy(payload->c_str, filename, filename_len);
-    return 0;
-}
-
-int
-s_syscall_initrd_file_size(jove_owned_obj_t *initrd_file)
-{
-    return initrd_file_size(initrd_file);
-}
-
-int
-s_syscall_initrd_file_read(
-        jove_owned_obj_t *initrd_file,
-        jove_owned_obj_t *message,
-        void *message_data,
-        size_t bytes_left,
-        void *payload_data)
-{
-    //Ensure that the message payload could hold the required read payload.
-    size_t bytes_needed = sizeof(struct syscall_initrd_file_read);
-    CHECK_TOOSMALL(bytes_needed, bytes_left, 
-            "Message is too small to hold read payload.");
-
-    struct syscall_initrd_file_read *payload = payload_data;
-    bytes_needed = payload->read_size;
-    bytes_left = 0x1000;
-
-    //Ensure that the message is big enough to hold the read file data.
-    CHECK_TOOSMALL(bytes_needed, bytes_left,
-            "Message is too small to hold read bytes.");
-
-    size_t file_size = initrd_file_size(initrd_file);
-    char *file_data = initrd_file_data(initrd_file);
-
-    //Ensure that the start index is within the file.
-    if(payload->start_index >= file_size) {
-        klogf("Start index exceeds file length! (%i > %i)\n",
-                payload->start_index, file_size);
-        return -EOOB;
-    }
-
-    //Ensure that the read bounds is within the file.
-    if(payload->start_index + payload->read_size > file_size) {
-        klogf("Read bounds exceed file length! (%i+%i > %i)\n",
-                payload->start_index, payload->read_size, file_size);
-        return -ETOOBIG;
-    }
-    
-    memcpy(message_data, file_data + payload->start_index, payload->read_size);
-    return 0;
-}
-
-int
-_syscall_handle_initrd_file(syscall_context_t *ctx)
-{
-    switch(ctx->header->callid) {
-        case SYSCALL_INITRD_FILE_NAME:
-            if(ctx->target.permissions & SYSCALL_PERM_INITRD_FILE_NAME)
-                return s_syscall_initrd_file_name(
-                        ctx->target.obj, ctx->message.obj, (void*)ctx->header);
-            return -EPERM;
-        
-        case SYSCALL_INITRD_FILE_SIZE:
-            if(ctx->target.permissions & SYSCALL_PERM_INITRD_FILE_SIZE)
-                return s_syscall_initrd_file_size(ctx->target.obj);
-            return -EPERM;
-
-        case SYSCALL_INITRD_FILE_READ:
-            if(ctx->target.permissions & SYSCALL_PERM_INITRD_FILE_READ)
-                return s_syscall_initrd_file_read(
-                        ctx->target.obj, ctx->message.obj, (void*)ctx->header, ctx->bytes_left, ctx->payload);
-            return -EPERM;
-        default:
-            return -EBADCALL;
-    }
-}