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fix my tabs

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This commit is contained in:
pitust 2021-11-27 11:01:47 +00:00
parent 47bb8ce3fa
commit ea615eb9c8
2 changed files with 62 additions and 62 deletions
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122
stage23/drivers/fwcfg.s2.c
View File

@ -12,10 +12,10 @@ struct dma_descr {
};
struct fw_cfg_file {
uint32_t size;
uint16_t select;
uint16_t reserved;
char name[56];
uint32_t size;
uint16_t select;
uint16_t reserved;
char name[56];
};
struct fw_cfg_files {
uint32_t count;
@ -23,78 +23,78 @@ struct fw_cfg_files {
};
static uint16_t bswap16(uint16_t value) {
uint8_t* value_ptr = (uint8_t*)&value;
return value_ptr[0]<<8|value_ptr[1];
uint8_t* value_ptr = (uint8_t*)&value;
return value_ptr[0]<<8|value_ptr[1];
}
static uint32_t bswap32(uint32_t value) {
uint8_t* value_ptr = (uint8_t*)&value;
return value_ptr[0]<<24|value_ptr[1]<<16|value_ptr[2]<<8|value_ptr[3];
uint8_t* value_ptr = (uint8_t*)&value;
return value_ptr[0]<<24|value_ptr[1]<<16|value_ptr[2]<<8|value_ptr[3];
}
static void fwcfg_disp_read(uint16_t sel, uint32_t outsz, uint8_t* outbuf) {
outw(0x510, sel);
for (uint32_t i = 0;i < outsz;i++) outbuf[i] = inb(0x511);
outw(0x510, sel);
for (uint32_t i = 0;i < outsz;i++) outbuf[i] = inb(0x511);
}
static struct fw_cfg_files* filebuf = NULL;
static const char* simple_mode_config =
"TIMEOUT=0\n"
":simple mode config\n"
"KERNEL_PATH=fwcfg:///opt/org.limine-bootloader.kernel";
"TIMEOUT=0\n"
":simple mode config\n"
"KERNEL_PATH=fwcfg:///opt/org.limine-bootloader.kernel";
static const char* simple_mode_bg_config =
"TIMEOUT=0\n"
"GRAPHICS=yes\n"
"THEME_BACKGROUND=50000000\n"
"BACKGROUND_PATH=fwcfg:///opt/org.limine-bootloader.background\n"
"BACKGROUND_STYLE=stretched\n"
":simple mode config\n"
"KERNEL_PATH=fwcfg:///opt/org.limine-bootloader.kernel";
"TIMEOUT=0\n"
"GRAPHICS=yes\n"
"THEME_BACKGROUND=50000000\n"
"BACKGROUND_PATH=fwcfg:///opt/org.limine-bootloader.background\n"
"BACKGROUND_STYLE=stretched\n"
":simple mode config\n"
"KERNEL_PATH=fwcfg:///opt/org.limine-bootloader.kernel";
static bool simple_mode = false;
bool fwcfg_open(struct file_handle *handle, const char *name) {
char sig[5] = { 0 };
fwcfg_disp_read(/* signature */ 0x0000, 4, (uint8_t*)sig);
if (strcmp(sig, "QEMU")) return false;
uint32_t count;
fwcfg_disp_read(0x0019, 4, (uint8_t*)&count);
count = bswap32(count);
if (!filebuf) {
filebuf = (struct fw_cfg_files*)ext_mem_alloc(count * 64 + 4);
fwcfg_disp_read(0x0019, count * 64 + 4, (uint8_t*)filebuf);
}
bool fwcfg_open(struct file_handle *handle, const char *name) {
char sig[5] = { 0 };
fwcfg_disp_read(/* signature */ 0x0000, 4, (uint8_t*)sig);
if (strcmp(sig, "QEMU")) return false;
uint32_t count;
fwcfg_disp_read(0x0019, 4, (uint8_t*)&count);
count = bswap32(count);
if (!filebuf) {
filebuf = (struct fw_cfg_files*)ext_mem_alloc(count * 64 + 4);
fwcfg_disp_read(0x0019, count * 64 + 4, (uint8_t*)filebuf);
}
bool has_kernel = false, has_background = false;
for (uint32_t i = 0;i < count;i++) {
if (!strncmp(filebuf->f[i].name, name, 56)) {
uint16_t sel = bswap16(filebuf->f[i].select);
handle->size = bswap32(filebuf->f[i].size);
handle->is_memfile = true;
uint8_t* buf = (uint8_t*)(handle->fd = ext_mem_alloc(handle->size));
fwcfg_disp_read(sel, handle->size, buf);
return true;
}
if (!strncmp(filebuf->f[i].name, "opt/org.limine-bootloader.background", 56)) {
has_background = true;
}
if (!strncmp(filebuf->f[i].name, "opt/org.limine-bootloader.kernel", 56)) {
has_kernel = true;
}
}
if (has_kernel && !strcmp(name, "opt/org.limine-bootloader.config")) {
const char* conf = has_background ? simple_mode_bg_config : simple_mode_config;
handle->size = strlen(conf);
handle->is_memfile = true;
char* buf = (char*)(handle->fd = ext_mem_alloc(handle->size + 1));
strcpy(buf, conf);
simple_mode = true;
return true;
}
bool has_kernel = false, has_background = false;
for (uint32_t i = 0;i < count;i++) {
if (!strncmp(filebuf->f[i].name, name, 56)) {
uint16_t sel = bswap16(filebuf->f[i].select);
handle->size = bswap32(filebuf->f[i].size);
handle->is_memfile = true;
uint8_t* buf = (uint8_t*)(handle->fd = ext_mem_alloc(handle->size));
fwcfg_disp_read(sel, handle->size, buf);
return true;
}
if (!strncmp(filebuf->f[i].name, "opt/org.limine-bootloader.background", 56)) {
has_background = true;
}
if (!strncmp(filebuf->f[i].name, "opt/org.limine-bootloader.kernel", 56)) {
has_kernel = true;
}
}
if (has_kernel && !strcmp(name, "opt/org.limine-bootloader.config")) {
const char* conf = has_background ? simple_mode_bg_config : simple_mode_config;
handle->size = strlen(conf);
handle->is_memfile = true;
char* buf = (char*)(handle->fd = ext_mem_alloc(handle->size + 1));
strcpy(buf, conf);
simple_mode = true;
return true;
}
return false;
return false;
}

2
stage23/lib/config.c
View File

@ -23,7 +23,7 @@ int init_config_disk(struct volume *part) {
if ((f = fopen(part, "/limine.cfg")) == NULL
&& (f = fopen(part, "/boot/limine.cfg")) == NULL
&& (f = fopen(part, "/EFI/BOOT/limine.cfg")) == NULL
&& (f = uri_open("fwcfg:///opt/org.limine-bootloader.config")) == NULL) {
&& (f = uri_open("fwcfg:///opt/org.limine-bootloader.config")) == NULL) {
return -1;
}