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comparison boot/bootx64.c @ 18:bd4c99e700e8

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add close and read, seek
author taiki
date Thu, 07 Feb 2013 06:11:26 +0900
parents 2013da6b3211
children 2fbe46f63d4c
comparison
equal deleted inserted replaced
17:30fd7afa7222 18:bd4c99e700e8
4 * 4 *
5 * Author: Taiki TAIRA. 5 * Author: Taiki TAIRA.
6 */ 6 */
7 7
8 #include "bootx64.h" 8 #include "bootx64.h"
9 #include "mach-o/mach_o.h"
9 10
10 INTN 11 INTN
11 efi_error(CHAR16* error_massage, EFI_STATUS status) 12 efi_error(CHAR16* error_massage, EFI_STATUS status)
12 { 13 {
13 Print(L"%s", error_massage); 14 Print(L"%s", error_massage);
14 if (status < 0) return ERROR; 15 if (status < 0) return ERROR;
15 return SUCCESS; 16 return SUCCESS;
16 } 17 }
17 18
18 EFI_STATUS 19 EFI_STATUS
19 load_mach_o() 20 open(CHAR16 *name, EFI_FILE_HANDLE *fd, fs_t *fs)
20 {
21 Print(L"kernel load ... \n");
22 return EFI_SUCCESS;
23 }
24
25 EFI_STATUS
26 open(CHAR16 *name, UINTN *fd, fs_t *fs)
27 { 21 {
28 EFI_STATUS status; 22 EFI_STATUS status;
29 EFI_FILE_HANDLE fh;
30 23
31 if (name == NULL || fd == NULL) return EFI_INVALID_PARAMETER; 24 if (name == NULL || fd == NULL) return EFI_INVALID_PARAMETER;
32 25
33 status = uefi_call_wrapper(fs->volume->Open, 5, fs->volume, &fh, name, EFI_FILE_MODE_READ, (UINT64)0); 26 status = uefi_call_wrapper(fs->volume->Open, 5, fs->volume, &fd, name, EFI_FILE_MODE_READ, (UINT64)0);
34 if (status == EFI_SUCCESS) { 27
35 *fd = (UINTN)fh;
36 }
37 return status; 28 return status;
29 }
30
31 EFI_STATUS
32 close(fs_t *fs, EFI_FILE_HANDLE *fd)
33 {
34 if (fs == NULL || fd == NULL) return EFI_INVALID_PARAMETER;
35
36 return uefi_call_wrapper(fs->volume->Close, 1, fd);
37 }
38
39 EFI_STATUS
40 read(fs_t *fs, EFI_FILE_HANDLE *fd, VOID *buf, UINTN *size)
41 {
42 if (buf == NULL || fd == NULL || size == NULL) return EFI_INVALID_PARAMETER;
43 return uefi_call_wrapper(fs->volume->Read, 3, fd, size, buf);
44 }
45
46 EFI_STATUS
47 seek(fs_t *fs, EFI_FILE_HANDLE fd, UINTN newpos)
48 {
49 if (newpos <= 0 || fd == NULL || fs == NULL) return EFI_INVALID_PARAMETER;
50 return uefi_call_wrapper(fs->volume->SetPosition, 2, fd, newpos);
38 } 51 }
39 52
40 EFI_STATUS 53 EFI_STATUS
41 config_fs_one(EFI_HANDLE dev, VOID *fs) 54 config_fs_one(EFI_HANDLE dev, VOID *fs)
42 { 55 {
133 } 146 }
134 147
135 return EFI_SUCCESS; 148 return EFI_SUCCESS;
136 } 149 }
137 150
151 EFI_STATUS
152 load(fs_t *fs, EFI_FILE_HANDLE *fd, CHAR16 *kname)
153 {
154 VOID *buf = NULL;
155 UINTN size;
156 read(fs ,fd, buf, &size);
157 //seek(fs ,fd);
158
159
160
161 return EFI_SUCCESS;
162 }
163
138 164
139 static inline void 165 static inline void
140 start_kernel() 166 start_kernel()
141 { 167 {
142 } 168 }
163 189
164 fs_t fs; 190 fs_t fs;
165 dev_tab_t boot_dev; 191 dev_tab_t boot_dev;
166 status = config_fs(info->DeviceHandle, &fs, &boot_dev); 192 status = config_fs(info->DeviceHandle, &fs, &boot_dev);
167 193
168 UINTN fd; 194 EFI_FILE_HANDLE fd;
169 open(kname, &fd, &fs); 195 open(kname, &fd, &fs);
170 196
171 load_mach_o(); 197 load(&fs, &fd, kname);
198
199 close(&fs, &fd);
172 200
173 UINTN cookie = 0; 201 UINTN cookie = 0;
174 uefi_call_wrapper(BS->ExitBootServices, 2, image, cookie); 202 uefi_call_wrapper(BS->ExitBootServices, 2, image, cookie);
175 203
176 start_kernel(); 204 start_kernel();