reorganize a bit

1 files changed, 0 insertions, 268 deletions

diff --git a/kjarna/file.c b/kjarna/file.c
deleted file mode 100644
index 6888390..0000000
--- a/kjarna/file.c
+++ /dev/null
@@ -1,268 +0,0 @@
-#include <efi/types.h>
-#include <efi/error.h>
-#include <efi/media.h>
-#include <efi/tables.h>
-
-#include <posix/unistd.h>
-#include <libc/stdlib.h>
-#include <libc/string.h>
-
-#include "kjarna_efi.h"
-
-#define FD_COUNT 16
-#define FD_MIN 3
-#define FD_MAX (FD_MIN + FD_COUNT - 1)
-
-static EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *fd_to_outconsole(int fd)
-{
-	switch (fd)
-	{
-		case STDOUT_FILENO:
-			return efi_context->system_table->ConOut;
-		case STDERR_FILENO:
-			return efi_context->system_table->StdErr;
-		default:
-			return nullptr;
-	}
-}
-
-static EFI_SIMPLE_TEXT_INPUT_PROTOCOL *fd_to_inconsole(int fd)
-{
-	return fd == STDIN_FILENO ? efi_context->system_table->ConIn : nullptr;
-}
-
-static EFI_FILE_PROTOCOL *open_files[FD_COUNT];
-
-static EFI_FILE_PROTOCOL *fd_to_file(int fd)
-{
-	if (fd < FD_MIN || fd > FD_MAX)
-	{
-		return nullptr;
-	}
-
-	return open_files[fd];
-}
-
-static int alloc_fd(void)
-{
-	for (int i = 0; i < FD_COUNT; i++)
-	{
-		if (open_files[i] == nullptr)
-		{
-			return FD_MIN + i;
-		}
-	}
-
-	return -1;
-}
-
-static void free_fd(int fd)
-{
-	if (fd < FD_MIN || fd > FD_MAX)
-	{
-		open_files[fd] = nullptr;
-	}
-}
-
-int efi_open(const char *path, int flags, int mode)
-{
-	EFI_GUID lip_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
-	EFI_LOADED_IMAGE_PROTOCOL *lip = nullptr;
-
-	efi_errno = gBS->OpenProtocol(
-			efi_context->handle,
-			&lip_guid,
-			(void **)&lip,
-			efi_context->handle,
-			nullptr,
-			EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-
-	if (lip == nullptr)
-	{
-		return -1;
-	}
-
-	EFI_GUID sfsp_guid = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
-	EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *sfsp = nullptr;
-
-	efi_errno = gBS->OpenProtocol(
-			lip->DeviceHandle,
-			&sfsp_guid,
-			(void **)&sfsp,
-			efi_context->handle,
-			nullptr,
-			EFI_OPEN_PROTOCOL_GET_PROTOCOL);
-
-	if (sfsp == nullptr)
-	{
-		return -1;
-	}
-
-	EFI_FILE_PROTOCOL *root = nullptr;
-
-	efi_errno = sfsp->OpenVolume(sfsp, &root);
-
-	if (root == nullptr)
-	{
-		return -1;
-	}
-
-	int fd = alloc_fd();
-
-	if (fd < FD_MIN)
-	{
-		return -1;
-	}
-
-	size_t path_len = strlen(path) + 1;
-	CHAR16 *wcpath = efi_calloc_pool(path_len, sizeof(*wcpath));
-
-	if(mbstowcs(wcpath, path, path_len) == (size_t)-1)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-	}
-	else
-	{
-		efi_errno = root->Open(
-				root, 
-				&open_files[fd], 
-				wcpath, 
-				EFI_FILE_MODE_READ, 
-				0);
-	}
-
-	efi_free_pool(wcpath);
-
-	(void)flags;
-	(void)mode;
-
-	return !EFI_ERROR(efi_errno) ? fd : -1;
-}
-
-int efi_close(int fd)
-{
-	EFI_FILE_PROTOCOL *file = fd_to_file(fd);
-
-	if (file == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	free_fd(fd);
-
-	efi_errno = file->Close(file);
-
-	return !EFI_ERROR(efi_errno) ? 0 : -1;
-}
-
-off_t efi_lseek(int fd, off_t offset, int whence)
-{
-	if (whence != SEEK_SET)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	EFI_FILE_PROTOCOL *file = fd_to_file(fd);
-
-	if (file == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	efi_errno = file->SetPosition(file, (UINTN)offset);
-
-	return !EFI_ERROR(efi_errno) ? offset : -1;
-}
-
-static ssize_t efi_console_read(EFI_SIMPLE_TEXT_INPUT_PROTOCOL *console, CHAR16 *buffer, size_t length)
-{
-	(void)console;
-	(void)buffer;
-	efi_errno = EFI_INVALID_PARAMETER;
-	return !EFI_ERROR(efi_errno) ? length : -1;
-}
-
-ssize_t efi_read(int fd, void *buffer, size_t length)
-{
-	if (buffer == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	EFI_SIMPLE_TEXT_INPUT_PROTOCOL *console = fd_to_inconsole(fd);
-
-	if (console != nullptr)
-	{
-		return efi_console_read(console, buffer, length);
-	}
-
-	EFI_FILE_PROTOCOL *file = fd_to_file(fd);
-
-	if (file == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	size_t bytes = length;
-	efi_errno = file->Read(file, &bytes, buffer);
-
-	return !EFI_ERROR(efi_errno) ? bytes : -1;
-}
-
-static ssize_t efi_console_write(EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *console, const void *buffer, size_t length)
-{
-	if (length == (size_t)-1)
-	{
-		length = strlen(buffer);
-	}
-
-	wchar_t *ws = efi_calloc_pool(length + 1, sizeof(*ws));
-
-	if(mbstowcs(ws, buffer, length + 1) == (size_t)-1)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-	}
-	else
-	{
-		efi_errno = console->OutputString(console, ws);
-	}
-
-	efi_free_pool(ws);
-
-	return !EFI_ERROR(efi_errno) ? length : -1;
-}
-
-ssize_t efi_write(int fd, const void *buffer, size_t length)
-{
-	if (buffer == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *console = fd_to_outconsole(fd);
-
-	if (console != nullptr)
-	{
-		return efi_console_write(console, buffer, length);
-	}
-
-	EFI_FILE_PROTOCOL *file = fd_to_file(fd);
-
-	if (file == nullptr)
-	{
-		efi_errno = EFI_INVALID_PARAMETER;
-		return -1;
-	}
-
-	size_t bytes = length;
-	efi_errno = file->Write(file, &bytes, (void *)buffer);
-
-	return !EFI_ERROR(efi_errno) ? bytes : -1;
-}
-