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firmware: Add 15.0 and function to check SFW against a range

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2024-09-17 23:42:05 +09:00
parent 8a122f86c4
commit 793ca17209
2 changed files with 60 additions and 2 deletions
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49
src/firmware.c
View file

@ -2,6 +2,7 @@
#include "firmware.h"
#include "adt.h"
#include "stdint.h"
#include "string.h"
#include "types.h"
#include "utils.h"
@ -38,6 +39,9 @@ const struct fw_version_info fw_versions[NUM_FW_VERSIONS] = {
[V13_5] = {V13_5, "13.5", {13, 5, 0}, 3, "iBoot-8422.141.2"},
[V13_6_2] = {V13_6_2, "13.6.2", {13, 6, 2}, 3, "iBoot-8422.141.2.700.1"},
[V14_1_1] = {V14_1_1, "14.1.1", {14, 1, 1}, 3, "iBoot-10151.41.12"},
[V15_0B1] = {V15_0B1, "15.0 beta", {14, 99, 1}, 3, "iBoot-11881.0.80.0.2"},
[V15_0] = {V15_0, "15.0", {15, 0, 0}, 3, "iBoot-11881.1.1"},
// clang-format on
};
@ -54,6 +58,21 @@ int firmware_set_fdt(void *fdt, int node, const char *prop, const struct fw_vers
return 0;
}
static void parse_version(const char *s, u32 *out)
{
memset(out, 0, sizeof(*out) * IBOOT_VER_COMP);
for (int i = 0; i < IBOOT_VER_COMP; i++) {
while (*s && !(*s >= '0' && *s <= '9'))
s++;
if (!*s)
break;
out[i] = atol(s);
while (*s >= '0' && *s <= '9')
s++;
}
}
static void detect_firmware(struct fw_version_info *info, const char *ver)
{
for (size_t i = 0; i < ARRAY_SIZE(fw_versions); i++) {
@ -67,6 +86,36 @@ static void detect_firmware(struct fw_version_info *info, const char *ver)
info->iboot = ver;
}
// Note: semi-open range
bool firmware_sfw_in_range(enum fw_version lower_bound, enum fw_version upper_bound)
{
u32 min[IBOOT_VER_COMP] = {0};
u32 max[IBOOT_VER_COMP] = {UINT32_MAX};
u32 this[IBOOT_VER_COMP] = {0};
if (lower_bound > V_UNKNOWN && lower_bound < NUM_FW_VERSIONS)
parse_version(fw_versions[lower_bound].iboot, min);
if (upper_bound > V_UNKNOWN && upper_bound < NUM_FW_VERSIONS)
parse_version(fw_versions[upper_bound].iboot, max);
parse_version(system_firmware.iboot, this);
int i;
for (i = 0; i < IBOOT_VER_COMP; i++)
if (this[i] != min[i])
break;
if (this[i] < min[i])
return false;
for (i = 0; i < IBOOT_VER_COMP; i++)
if (this[i] != max[i])
break;
return this[i] < max[i];
}
int firmware_init(void)
{
int node = adt_path_offset(adt, "/chosen");

13
src/firmware.h
View file

@ -6,7 +6,7 @@
#include "types.h"
enum fw_version {
V_UNKNOWN,
V_UNKNOWN = 0,
V12_1,
V12_2,
V12_3,
@ -23,13 +23,21 @@ enum fw_version {
V13_5,
V13_6_2,
V14_1_1,
V15_0B1,
V15_0,
NUM_FW_VERSIONS,
};
#define FW_MIN V_UNKNOWN
#define FW_MAX V_UNKNOWN
#define OS_VER_COMP 4
#define IBOOT_VER_COMP 5
struct fw_version_info {
enum fw_version version;
const char *string;
u32 num[4];
u32 num[OS_VER_COMP];
size_t num_length;
const char *iboot;
};
@ -40,5 +48,6 @@ extern const struct fw_version_info fw_versions[NUM_FW_VERSIONS];
int firmware_init(void);
int firmware_set_fdt(void *fdt, int node, const char *prop, const struct fw_version_info *ver);
bool firmware_sfw_in_range(enum fw_version lower_bound, enum fw_version upper_bound);
#endif