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-rw-r--r--util/ifdtool/ifdtool.c137
-rw-r--r--util/ifdtool/ifdtool.h15
2 files changed, 141 insertions, 11 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c
index 7655fd4dce..9eadc0a33c 100644
--- a/util/ifdtool/ifdtool.c
+++ b/util/ifdtool/ifdtool.c
@@ -49,10 +49,6 @@ static fdbar_t *find_fd(char *image, int size)
return (fdbar_t *) (image + i);
}
-typedef struct {
- int base, limit, size;
-} region_t;
-
static region_t get_region(frba_t *frba, int region_type)
{
region_t region;
@@ -125,14 +121,27 @@ static const char *region_filename(int region_type)
return region_filenames[region_type];
}
+static void dump_region(int num, frba_t *frba)
+{
+ region_t region = get_region(frba, num);
+ printf(" Flash Region %d (%s): %08x - %08x %s\n",
+ num, region_name(num), region.base, region.limit,
+ region.size < 1 ? "(unused)" : "");
+}
+
static void dump_frba(frba_t * frba)
{
- printf("\nFound Region Section\n");
+ printf("Found Region Section\n");
printf("FLREG0: 0x%08x\n", frba->flreg0);
+ dump_region(0, frba);
printf("FLREG1: 0x%08x\n", frba->flreg1);
+ dump_region(1, frba);
printf("FLREG2: 0x%08x\n", frba->flreg2);
+ dump_region(2, frba);
printf("FLREG3: 0x%08x\n", frba->flreg3);
+ dump_region(3, frba);
printf("FLREG4: 0x%08x\n", frba->flreg4);
+ dump_region(4, frba);
}
static void decode_spi_frequency(unsigned int freq)
@@ -200,7 +209,17 @@ static void dump_fcba(fcba_t * fcba)
decode_component_density(fcba->flcomp & 7);
printf("\n");
printf("FLILL 0x%08x\n", fcba->flill);
- printf("FLPB 0x%08x\n\n", fcba->flpb);
+ printf(" Invalid Instruction 3: 0x%02x\n",
+ (fcba->flill >> 24) & 0xff);
+ printf(" Invalid Instruction 2: 0x%02x\n",
+ (fcba->flill >> 16) & 0xff);
+ printf(" Invalid Instruction 1: 0x%02x\n",
+ (fcba->flill >> 8) & 0xff);
+ printf(" Invalid Instruction 0: 0x%02x\n",
+ fcba->flill & 0xff);
+ printf("FLPB 0x%08x\n", fcba->flpb);
+ printf(" Flash Partition Boundary Address: 0x%06x\n\n",
+ (fcba->flpb & 0xfff) << 12);
}
static void dump_fpsba(fpsba_t * fpsba)
@@ -221,7 +240,9 @@ static void dump_fpsba(fpsba_t * fpsba)
printf("PCHSTRP12: 0x%08x\n", fpsba->pchstrp12);
printf("PCHSTRP13: 0x%08x\n", fpsba->pchstrp13);
printf("PCHSTRP14: 0x%08x\n", fpsba->pchstrp14);
- printf("PCHSTRP15: 0x%08x\n\n", fpsba->pchstrp15);
+ printf("PCHSTRP15: 0x%08x\n", fpsba->pchstrp15);
+ printf("PCHSTRP16: 0x%08x\n", fpsba->pchstrp16);
+ printf("PCHSTRP17: 0x%08x\n\n", fpsba->pchstrp17);
}
static void decode_flmstr(uint32_t flmstr)
@@ -272,6 +293,95 @@ static void dump_fmsba(fmsba_t * fmsba)
printf("????: 0x%08x\n", fmsba->data[3]);
}
+static void dump_jid(uint32_t jid)
+{
+ printf(" SPI Componend Device ID 1: 0x%02x\n",
+ (jid >> 16) & 0xff);
+ printf(" SPI Componend Device ID 0: 0x%02x\n",
+ (jid >> 8) & 0xff);
+ printf(" SPI Componend Vendor ID: 0x%02x\n",
+ jid & 0xff);
+}
+
+static void dump_vscc(uint32_t vscc)
+{
+ printf(" Lower Erase Opcode: 0x%02x\n",
+ vscc >> 24);
+ printf(" Lower Write Enable on Write Status: 0x%02x\n",
+ vscc & (1 << 20) ? 0x06 : 0x50);
+ printf(" Lower Write Status Required: %s\n",
+ vscc & (1 << 19) ? "Yes" : "No");
+ printf(" Lower Write Granularity: %d bytes\n",
+ vscc & (1 << 18) ? 64 : 1);
+ printf(" Lower Block / Sector Erase Size: ");
+ switch ((vscc >> 16) & 0x3) {
+ case 0:
+ printf("256 Byte\n");
+ break;
+ case 1:
+ printf("4KB\n");
+ break;
+ case 2:
+ printf("8KB\n");
+ break;
+ case 3:
+ printf("64KB\n");
+ break;
+ }
+
+ printf(" Upper Erase Opcode: 0x%02x\n",
+ (vscc >> 8) & 0xff);
+ printf(" Upper Write Enable on Write Status: 0x%02x\n",
+ vscc & (1 << 4) ? 0x06 : 0x50);
+ printf(" Upper Write Status Required: %s\n",
+ vscc & (1 << 3) ? "Yes" : "No");
+ printf(" Upper Write Granularity: %d bytes\n",
+ vscc & (1 << 2) ? 64 : 1);
+ printf(" Upper Block / Sector Erase Size: ");
+ switch (vscc & 0x3) {
+ case 0:
+ printf("256 Byte\n");
+ break;
+ case 1:
+ printf("4KB\n");
+ break;
+ case 2:
+ printf("8KB\n");
+ break;
+ case 3:
+ printf("64KB\n");
+ break;
+ }
+}
+
+static void dump_vtba(vtba_t *vtba, int vtl)
+{
+ int i;
+ int num = (vtl >> 1) < 8 ? (vtl >> 1) : 8;
+
+ printf("ME VSCC table:\n");
+ for (i = 0; i < num; i++) {
+ printf(" JID%d: 0x%08x\n", i, vtba->entry[i].jid);
+ dump_jid(vtba->entry[i].jid);
+ printf(" VSCC%d: 0x%08x\n", i, vtba->entry[i].vscc);
+ dump_vscc(vtba->entry[i].vscc);
+ }
+ printf("\n");
+}
+
+static void dump_oem(uint8_t *oem)
+{
+ int i, j;
+ printf("OEM Section:\n");
+ for (i = 0; i < 4; i++) {
+ printf("%02x:", i << 4);
+ for (j = 0; j < 16; j++)
+ printf(" %02x", oem[(i<<4)+j]);
+ printf ("\n");
+ }
+ printf ("\n");
+}
+
static void dump_fd(char *image, int size)
{
fdbar_t *fdb = find_fd(image, size);
@@ -295,7 +405,14 @@ static void dump_fd(char *image, int size)
printf(" FMSBA: 0x%x\n", ((fdb->flmap2) & 0xff) << 4);
printf("FLUMAP1: 0x%08x\n", fdb->flumap1);
-
+ printf(" Intel ME VSCC Table Length (VTL): %d\n",
+ (fdb->flumap1 >> 8) & 0xff);
+ printf(" Intel ME VSCC Table Base Address (VTBA): 0x%06x\n\n",
+ (fdb->flumap1 & 0xff) << 4);
+ dump_vtba((vtba_t *)
+ (image + ((fdb->flumap1 & 0xff) << 4)),
+ (fdb->flumap1 >> 8) & 0xff);
+ dump_oem((uint8_t *)image + 0xf00);
dump_frba((frba_t *)
(image + (((fdb->flmap0 >> 16) & 0xff) << 4)));
dump_fcba((fcba_t *) (image + (((fdb->flmap0) & 0xff) << 4)));
@@ -318,9 +435,7 @@ static void write_regions(char *image, int size)
for (i = 0; i<5; i++) {
region_t region = get_region(frba, i);
- printf("Flash Region %d (%s): %08x - %08x %s\n",
- i, region_name(i), region.base, region.limit,
- region.size < 1 ? "(unused)" : "");
+ dump_region(i, frba);
if (region.size > 0) {
int region_fd;
region_fd = open(region_filename(i),
diff --git a/util/ifdtool/ifdtool.h b/util/ifdtool/ifdtool.h
index db237a3bf2..7537f1d009 100644
--- a/util/ifdtool/ifdtool.h
+++ b/util/ifdtool/ifdtool.h
@@ -79,6 +79,8 @@ typedef struct {
uint32_t pchstrp13;
uint32_t pchstrp14;
uint32_t pchstrp15;
+ uint32_t pchstrp16;
+ uint32_t pchstrp17;
} __attribute__((packed)) fpsba_t;
// master
@@ -93,4 +95,17 @@ typedef struct {
uint32_t data[8];
} __attribute__((packed)) fmsba_t;
+// ME VSCC
+typedef struct {
+ uint32_t jid;
+ uint32_t vscc;
+} vscc_t;
+
+typedef struct {
+ // Actual number of entries specified in vtl
+ vscc_t entry[8];
+} vtba_t;
+typedef struct {
+ int base, limit, size;
+} region_t;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-01 09:26:55 +0000