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Diffstat (limited to 'target/linux/sibyte/patches-3.3')
-rw-r--r--target/linux/sibyte/patches-3.3/101-rhone_physmap.patch82
-rw-r--r--target/linux/sibyte/patches-3.3/103-m41t80_smbus.patch367
-rw-r--r--target/linux/sibyte/patches-3.3/104-sibyte_rtc_cleanup.patch80
-rw-r--r--target/linux/sibyte/patches-3.3/105-sibyte_hwmon.patch23
-rw-r--r--target/linux/sibyte/patches-3.3/106-no_module_reloc.patch370
5 files changed, 0 insertions, 922 deletions
diff --git a/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch b/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch
deleted file mode 100644
index fb91737..0000000
--- a/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch
+++ /dev/null
@@ -1,82 +0,0 @@
---- a/arch/mips/sibyte/swarm/platform.c
-+++ b/arch/mips/sibyte/swarm/platform.c
-@@ -5,6 +5,7 @@
- #include <linux/platform_device.h>
- #include <linux/ata_platform.h>
-
-+#include <asm/addrspace.h>
- #include <asm/sibyte/board.h>
- #include <asm/sibyte/sb1250_genbus.h>
- #include <asm/sibyte/sb1250_regs.h>
-@@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi
- return ret;
- }
- device_initcall(sb1250_device_init);
-+
-+#ifdef CONFIG_SIBYTE_RHONE
-+
-+#include <linux/mtd/partitions.h>
-+#include <linux/mtd/physmap.h>
-+
-+/* The board has 16MB flash but CFE sets up only 2MB */
-+#define PHYS_TO_K1(a) CKSEG1ADDR(a)
-+#define BOOTROM_SIZE 0x100
-+
-+static void fixup_cs0_size(void)
-+{
-+ SBWRITECSR(((A_IO_EXT_CS_BASE(0)) + R_IO_EXT_MULT_SIZE), BOOTROM_SIZE);
-+}
-+
-+static struct mtd_partition flash_parts[] = {
-+ {
-+ .name = "cfe",
-+ .offset = 0x00000000,
-+ .size = 0x00200000,
-+ .mask_flags = MTD_WRITEABLE,
-+ },
-+ {
-+ .name = "os",
-+ .offset = 0x00200000,
-+ .size = 0x00d00000,
-+ },
-+ {
-+ .name = "environment",
-+ .offset = 0x00f00000,
-+ .size = 0x00100000,
-+ .mask_flags = MTD_WRITEABLE,
-+ },
-+};
-+
-+static struct physmap_flash_data flash_data = {
-+ .width = 1,
-+ .nr_parts = ARRAY_SIZE(flash_parts),
-+ .parts = flash_parts,
-+};
-+
-+static struct resource flash_resource = {
-+ .start = 0x1fc00000,
-+ .end = 0x20bfffff,
-+ .flags = IORESOURCE_MEM,
-+};
-+
-+static struct platform_device flash_device = {
-+ .name = "physmap-flash",
-+ .id = 0,
-+ .resource = &flash_resource,
-+ .num_resources = 1,
-+ .dev = {
-+ .platform_data = &flash_data,
-+ },
-+};
-+
-+static int __init flash_setup(void)
-+{
-+ fixup_cs0_size();
-+ platform_device_register(&flash_device);
-+
-+ return 0;
-+};
-+
-+device_initcall(flash_setup);
-+
-+#endif /* CONFIG_SIBYTE_RHONE */
diff --git a/target/linux/sibyte/patches-3.3/103-m41t80_smbus.patch b/target/linux/sibyte/patches-3.3/103-m41t80_smbus.patch
deleted file mode 100644
index 667d07c..0000000
--- a/target/linux/sibyte/patches-3.3/103-m41t80_smbus.patch
+++ /dev/null
@@ -1,367 +0,0 @@
---- a/drivers/rtc/rtc-m41t80.c
-+++ b/drivers/rtc/rtc-m41t80.c
-@@ -6,6 +6,7 @@
- * Based on m41t00.c by Mark A. Greer <mgreer@mvista.com>
- *
- * 2006 (c) mycable GmbH
-+ * Copyright (c) 2008 Maciej W. Rozycki
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
-@@ -38,6 +39,8 @@
- #define M41T80_REG_DAY 5
- #define M41T80_REG_MON 6
- #define M41T80_REG_YEAR 7
-+#define M41T80_REG_CONTROL 8
-+#define M41T80_REG_WATCHDOG 9
- #define M41T80_REG_ALARM_MON 0xa
- #define M41T80_REG_ALARM_DAY 0xb
- #define M41T80_REG_ALARM_HOUR 0xc
-@@ -66,7 +69,7 @@
- #define M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */
- #define M41T80_FEATURE_SQ_ALT (1 << 4) /* RSx bits are in reg 4 */
-
--#define DRV_VERSION "0.05"
-+#define DRV_VERSION "0.06"
-
- static DEFINE_MUTEX(m41t80_rtc_mutex);
- static const struct i2c_device_id m41t80_id[] = {
-@@ -89,31 +92,88 @@ struct m41t80_data {
- struct rtc_device *rtc;
- };
-
--static int m41t80_get_datetime(struct i2c_client *client,
-- struct rtc_time *tm)
-+
-+static int m41t80_write_block_data(struct i2c_client *client,
-+ u8 reg, u8 num, u8 *buf)
- {
-- u8 buf[M41T80_DATETIME_REG_SIZE], dt_addr[1] = { M41T80_REG_SEC };
-- struct i2c_msg msgs[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1,
-- .buf = dt_addr,
-- },
-- {
-- .addr = client->addr,
-- .flags = I2C_M_RD,
-- .len = M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
-- .buf = buf + M41T80_REG_SEC,
-- },
-- };
-+ int i, rc;
-
-- if (i2c_transfer(client->adapter, msgs, 2) < 0) {
-- dev_err(&client->dev, "read error\n");
-- return -EIO;
-+ if (i2c_check_functionality(client->adapter,
-+ I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)) {
-+ i = i2c_smbus_write_i2c_block_data(client, reg, num, buf);
-+ } else {
-+ for (i = 0; i < num; i++) {
-+ rc = i2c_smbus_write_byte_data(client, reg + i,
-+ buf[i]);
-+ if (rc < 0) {
-+ i = rc;
-+ goto out;
-+ }
-+ }
- }
-+out:
-+ return i;
-+}
-+
-+static int m41t80_read_block_data(struct i2c_client *client,
-+ u8 reg, u8 num, u8 *buf)
-+{
-+ int i, rc;
-+
-+ if (i2c_check_functionality(client->adapter,
-+ I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
-+ i = i2c_smbus_read_i2c_block_data(client, reg, num, buf);
-+ } else {
-+ for (i = 0; i < num; i++) {
-+ rc = i2c_smbus_read_byte_data(client, reg + i);
-+ if (rc < 0) {
-+ i = rc;
-+ goto out;
-+ }
-+ buf[i] = rc;
-+ }
-+ }
-+out:
-+ return i;
-+}
-+
-+static int m41t80_get_datetime(struct i2c_client *client, struct rtc_time *tm)
-+{
-+ u8 buf[M41T80_DATETIME_REG_SIZE];
-+ int loops = 2;
-+ int sec0, sec1;
-+
-+ /*
-+ * Time registers are latched by this chip if an I2C block
-+ * transfer is used, but with SMBus-style byte accesses
-+ * this is not the case, so check seconds for a wraparound.
-+ */
-+ do {
-+ if (m41t80_read_block_data(client, M41T80_REG_SEC,
-+ M41T80_DATETIME_REG_SIZE -
-+ M41T80_REG_SEC,
-+ buf + M41T80_REG_SEC) < 0) {
-+ dev_err(&client->dev, "read error\n");
-+ return -EIO;
-+ }
-+ if (i2c_check_functionality(client->adapter,
-+ I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
-+ sec1 = buf[M41T80_REG_SEC];
-+ break;
-+ }
-+
-+ sec0 = buf[M41T80_REG_SEC];
-+ sec1 = i2c_smbus_read_byte_data(client, M41T80_REG_SEC);
-+ if (sec1 < 0) {
-+ dev_err(&client->dev, "read error\n");
-+ return -EIO;
-+ }
-+
-+ sec0 = bcd2bin(sec0 & 0x7f);
-+ sec1 = bcd2bin(sec1 & 0x7f);
-+ } while (sec1 < sec0 && --loops);
-
-- tm->tm_sec = bcd2bin(buf[M41T80_REG_SEC] & 0x7f);
-+ tm->tm_sec = sec1;
- tm->tm_min = bcd2bin(buf[M41T80_REG_MIN] & 0x7f);
- tm->tm_hour = bcd2bin(buf[M41T80_REG_HOUR] & 0x3f);
- tm->tm_mday = bcd2bin(buf[M41T80_REG_DAY] & 0x3f);
-@@ -128,39 +188,16 @@ static int m41t80_get_datetime(struct i2
- /* Sets the given date and time to the real time clock. */
- static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)
- {
-- u8 wbuf[1 + M41T80_DATETIME_REG_SIZE];
-- u8 *buf = &wbuf[1];
-- u8 dt_addr[1] = { M41T80_REG_SEC };
-- struct i2c_msg msgs_in[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1,
-- .buf = dt_addr,
-- },
-- {
-- .addr = client->addr,
-- .flags = I2C_M_RD,
-- .len = M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
-- .buf = buf + M41T80_REG_SEC,
-- },
-- };
-- struct i2c_msg msgs[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1 + M41T80_DATETIME_REG_SIZE,
-- .buf = wbuf,
-- },
-- };
-+ u8 buf[M41T80_DATETIME_REG_SIZE];
-
- /* Read current reg values into buf[1..7] */
-- if (i2c_transfer(client->adapter, msgs_in, 2) < 0) {
-+ if (m41t80_read_block_data(client, M41T80_REG_SEC,
-+ M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
-+ buf + M41T80_REG_SEC) < 0) {
- dev_err(&client->dev, "read error\n");
- return -EIO;
- }
-
-- wbuf[0] = 0; /* offset into rtc's regs */
- /* Merge time-data and register flags into buf[0..7] */
- buf[M41T80_REG_SSEC] = 0;
- buf[M41T80_REG_SEC] =
-@@ -178,7 +215,8 @@ static int m41t80_set_datetime(struct i2
- /* assume 20YY not 19YY */
- buf[M41T80_REG_YEAR] = bin2bcd(tm->tm_year % 100);
-
-- if (i2c_transfer(client->adapter, msgs, 1) != 1) {
-+ if (m41t80_write_block_data(client, M41T80_REG_SSEC,
-+ M41T80_DATETIME_REG_SIZE, buf) < 0) {
- dev_err(&client->dev, "write error\n");
- return -EIO;
- }
-@@ -238,34 +276,11 @@ err:
- static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
- {
- struct i2c_client *client = to_i2c_client(dev);
-- u8 wbuf[1 + M41T80_ALARM_REG_SIZE];
-- u8 *buf = &wbuf[1];
-+ u8 buf[M41T80_ALARM_REG_SIZE];
- u8 *reg = buf - M41T80_REG_ALARM_MON;
-- u8 dt_addr[1] = { M41T80_REG_ALARM_MON };
-- struct i2c_msg msgs_in[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1,
-- .buf = dt_addr,
-- },
-- {
-- .addr = client->addr,
-- .flags = I2C_M_RD,
-- .len = M41T80_ALARM_REG_SIZE,
-- .buf = buf,
-- },
-- };
-- struct i2c_msg msgs[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1 + M41T80_ALARM_REG_SIZE,
-- .buf = wbuf,
-- },
-- };
-
-- if (i2c_transfer(client->adapter, msgs_in, 2) < 0) {
-+ if (m41t80_read_block_data(client, M41T80_REG_ALARM_MON,
-+ M41T80_ALARM_REG_SIZE, buf) < 0) {
- dev_err(&client->dev, "read error\n");
- return -EIO;
- }
-@@ -275,7 +290,6 @@ static int m41t80_rtc_set_alarm(struct d
- reg[M41T80_REG_ALARM_MIN] = 0;
- reg[M41T80_REG_ALARM_SEC] = 0;
-
-- wbuf[0] = M41T80_REG_ALARM_MON; /* offset into rtc's regs */
- reg[M41T80_REG_ALARM_SEC] |= t->time.tm_sec >= 0 ?
- bin2bcd(t->time.tm_sec) : 0x80;
- reg[M41T80_REG_ALARM_MIN] |= t->time.tm_min >= 0 ?
-@@ -289,7 +303,8 @@ static int m41t80_rtc_set_alarm(struct d
- else
- reg[M41T80_REG_ALARM_DAY] |= 0x40;
-
-- if (i2c_transfer(client->adapter, msgs, 1) != 1) {
-+ if (m41t80_write_block_data(client, M41T80_REG_ALARM_MON,
-+ M41T80_ALARM_REG_SIZE, buf) < 0) {
- dev_err(&client->dev, "write error\n");
- return -EIO;
- }
-@@ -309,24 +324,10 @@ static int m41t80_rtc_read_alarm(struct
- {
- struct i2c_client *client = to_i2c_client(dev);
- u8 buf[M41T80_ALARM_REG_SIZE + 1]; /* all alarm regs and flags */
-- u8 dt_addr[1] = { M41T80_REG_ALARM_MON };
- u8 *reg = buf - M41T80_REG_ALARM_MON;
-- struct i2c_msg msgs[] = {
-- {
-- .addr = client->addr,
-- .flags = 0,
-- .len = 1,
-- .buf = dt_addr,
-- },
-- {
-- .addr = client->addr,
-- .flags = I2C_M_RD,
-- .len = M41T80_ALARM_REG_SIZE + 1,
-- .buf = buf,
-- },
-- };
-
-- if (i2c_transfer(client->adapter, msgs, 2) < 0) {
-+ if (m41t80_read_block_data(client, M41T80_REG_ALARM_MON,
-+ M41T80_ALARM_REG_SIZE + 1, buf) < 0) {
- dev_err(&client->dev, "read error\n");
- return -EIO;
- }
-@@ -508,26 +509,16 @@ static int boot_flag;
- */
- static void wdt_ping(void)
- {
-- unsigned char i2c_data[2];
-- struct i2c_msg msgs1[1] = {
-- {
-- .addr = save_client->addr,
-- .flags = 0,
-- .len = 2,
-- .buf = i2c_data,
-- },
-- };
-- struct m41t80_data *clientdata = i2c_get_clientdata(save_client);
-+ u8 wdt = 0x80; /* WDS = 1 (0x80) */
-
-- i2c_data[0] = 0x09; /* watchdog register */
-+ struct m41t80_data *clientdata = i2c_get_clientdata(save_client);
-
- if (wdt_margin > 31)
-- i2c_data[1] = (wdt_margin & 0xFC) | 0x83; /* resolution = 4s */
-+ /* mulitplier = WD_TIMO / 4, resolution = 4s (0x3) */
-+ wdt |= (wdt_margin & 0xfc) | 0x3;
- else
-- /*
-- * WDS = 1 (0x80), mulitplier = WD_TIMO, resolution = 1s (0x02)
-- */
-- i2c_data[1] = wdt_margin<<2 | 0x82;
-+ /* mulitplier = WD_TIMO, resolution = 1s (0x2) */
-+ wdt |= wdt_margin << 2 | 0x2;
-
- /*
- * M41T65 has three bits for watchdog resolution. Don't set bit 7, as
-@@ -536,7 +527,7 @@ static void wdt_ping(void)
- if (clientdata->features & M41T80_FEATURE_WD)
- i2c_data[1] &= ~M41T80_WATCHDOG_RB2;
-
-- i2c_transfer(save_client->adapter, msgs1, 1);
-+ i2c_smbus_write_byte_data(save_client, M41T80_REG_WATCHDOG, wdt);
- }
-
- /**
-@@ -546,36 +537,8 @@ static void wdt_ping(void)
- */
- static void wdt_disable(void)
- {
-- unsigned char i2c_data[2], i2c_buf[0x10];
-- struct i2c_msg msgs0[2] = {
-- {
-- .addr = save_client->addr,
-- .flags = 0,
-- .len = 1,
-- .buf = i2c_data,
-- },
-- {
-- .addr = save_client->addr,
-- .flags = I2C_M_RD,
-- .len = 1,
-- .buf = i2c_buf,
-- },
-- };
-- struct i2c_msg msgs1[1] = {
-- {
-- .addr = save_client->addr,
-- .flags = 0,
-- .len = 2,
-- .buf = i2c_data,
-- },
-- };
--
-- i2c_data[0] = 0x09;
-- i2c_transfer(save_client->adapter, msgs0, 2);
--
-- i2c_data[0] = 0x09;
-- i2c_data[1] = 0x00;
-- i2c_transfer(save_client->adapter, msgs1, 1);
-+ i2c_smbus_read_byte_data(save_client, M41T80_REG_WATCHDOG);
-+ i2c_smbus_write_byte_data(save_client, M41T80_REG_WATCHDOG, 0);
- }
-
- /**
-@@ -777,8 +740,8 @@ static int m41t80_probe(struct i2c_clien
- struct rtc_time tm;
- struct m41t80_data *clientdata = NULL;
-
-- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C
-- | I2C_FUNC_SMBUS_BYTE_DATA)) {
-+ if (!i2c_check_functionality(client->adapter,
-+ I2C_FUNC_SMBUS_BYTE_DATA)) {
- rc = -ENODEV;
- goto exit;
- }
diff --git a/target/linux/sibyte/patches-3.3/104-sibyte_rtc_cleanup.patch b/target/linux/sibyte/patches-3.3/104-sibyte_rtc_cleanup.patch
deleted file mode 100644
index 0483142..0000000
--- a/target/linux/sibyte/patches-3.3/104-sibyte_rtc_cleanup.patch
+++ /dev/null
@@ -1,80 +0,0 @@
---- a/arch/mips/sibyte/swarm/setup.c
-+++ b/arch/mips/sibyte/swarm/setup.c
-@@ -56,14 +56,6 @@ extern void sb1250_setup(void);
- #error invalid SiByte board configuration
- #endif
-
--extern int xicor_probe(void);
--extern int xicor_set_time(unsigned long);
--extern unsigned long xicor_get_time(void);
--
--extern int m41t81_probe(void);
--extern int m41t81_set_time(unsigned long);
--extern unsigned long m41t81_get_time(void);
--
- const char *get_system_type(void)
- {
- return "SiByte " SIBYTE_BOARD_NAME;
-@@ -79,49 +71,18 @@ int swarm_be_handler(struct pt_regs *reg
- return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
- }
-
--enum swarm_rtc_type {
-- RTC_NONE,
-- RTC_XICOR,
-- RTC_M41T81,
--};
--
--enum swarm_rtc_type swarm_rtc_type;
--
- void read_persistent_clock(struct timespec *ts)
- {
- unsigned long sec;
-
-- switch (swarm_rtc_type) {
-- case RTC_XICOR:
-- sec = xicor_get_time();
-- break;
--
-- case RTC_M41T81:
-- sec = m41t81_get_time();
-- break;
--
-- case RTC_NONE:
-- default:
-- sec = mktime(2000, 1, 1, 0, 0, 0);
-- break;
-- }
-+ sec = mktime(2000, 1, 1, 0, 0, 0);
- ts->tv_sec = sec;
- ts->tv_nsec = 0;
- }
-
- int rtc_mips_set_time(unsigned long sec)
- {
-- switch (swarm_rtc_type) {
-- case RTC_XICOR:
-- return xicor_set_time(sec);
--
-- case RTC_M41T81:
-- return m41t81_set_time(sec);
--
-- case RTC_NONE:
-- default:
- return -1;
-- }
- }
-
- void __init plat_mem_setup(void)
-@@ -138,11 +99,6 @@ void __init plat_mem_setup(void)
-
- board_be_handler = swarm_be_handler;
-
-- if (xicor_probe())
-- swarm_rtc_type = RTC_XICOR;
-- if (m41t81_probe())
-- swarm_rtc_type = RTC_M41T81;
--
- #ifdef CONFIG_VT
- screen_info = (struct screen_info) {
- .orig_video_page = 52,
diff --git a/target/linux/sibyte/patches-3.3/105-sibyte_hwmon.patch b/target/linux/sibyte/patches-3.3/105-sibyte_hwmon.patch
deleted file mode 100644
index 93dd423..0000000
--- a/target/linux/sibyte/patches-3.3/105-sibyte_hwmon.patch
+++ /dev/null
@@ -1,23 +0,0 @@
---- a/arch/mips/sibyte/swarm/swarm-i2c.c
-+++ b/arch/mips/sibyte/swarm/swarm-i2c.c
-@@ -13,6 +13,11 @@
- #include <linux/init.h>
- #include <linux/kernel.h>
-
-+static struct i2c_board_info swarm_i2c_info0[] __initdata = {
-+ {
-+ I2C_BOARD_INFO("lm90", 0x2a),
-+ },
-+};
-
- static struct i2c_board_info swarm_i2c_info1[] __initdata = {
- {
-@@ -24,6 +29,8 @@ static int __init swarm_i2c_init(void)
- {
- int err;
-
-+ err = i2c_register_board_info(0, swarm_i2c_info0,
-+ ARRAY_SIZE(swarm_i2c_info0));
- err = i2c_register_board_info(1, swarm_i2c_info1,
- ARRAY_SIZE(swarm_i2c_info1));
- if (err < 0)
diff --git a/target/linux/sibyte/patches-3.3/106-no_module_reloc.patch b/target/linux/sibyte/patches-3.3/106-no_module_reloc.patch
deleted file mode 100644
index 8082c3d..0000000
--- a/target/linux/sibyte/patches-3.3/106-no_module_reloc.patch
+++ /dev/null
@@ -1,370 +0,0 @@
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -90,8 +90,8 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
- cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
- cflags-y += -msoft-float
- LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
--KBUILD_AFLAGS_MODULE += -mno-long-calls
--KBUILD_CFLAGS_MODULE += -mno-long-calls
-+KBUILD_AFLAGS_MODULE += -mlong-calls
-+KBUILD_CFLAGS_MODULE += -mlong-calls
-
- cflags-y += -ffreestanding
-
---- a/arch/mips/include/asm/module.h
-+++ b/arch/mips/include/asm/module.h
-@@ -9,11 +9,6 @@ struct mod_arch_specific {
- struct list_head dbe_list;
- const struct exception_table_entry *dbe_start;
- const struct exception_table_entry *dbe_end;
--
-- void *phys_plt_tbl;
-- void *virt_plt_tbl;
-- unsigned int phys_plt_offset;
-- unsigned int virt_plt_offset;
- };
-
- typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
---- a/arch/mips/kernel/module.c
-+++ b/arch/mips/kernel/module.c
-@@ -44,117 +44,6 @@ static struct mips_hi16 *mips_hi16_list;
- static LIST_HEAD(dbe_list);
- static DEFINE_SPINLOCK(dbe_lock);
-
--/*
-- * Get the potential max trampolines size required of the init and
-- * non-init sections. Only used if we cannot find enough contiguous
-- * physically mapped memory to put the module into.
-- */
--static unsigned int
--get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
-- const char *secstrings, unsigned int symindex, bool is_init)
--{
-- unsigned long ret = 0;
-- unsigned int i, j;
-- Elf_Sym *syms;
--
-- /* Everything marked ALLOC (this includes the exported symbols) */
-- for (i = 1; i < hdr->e_shnum; ++i) {
-- unsigned int info = sechdrs[i].sh_info;
--
-- if (sechdrs[i].sh_type != SHT_REL
-- && sechdrs[i].sh_type != SHT_RELA)
-- continue;
--
-- /* Not a valid relocation section? */
-- if (info >= hdr->e_shnum)
-- continue;
--
-- /* Don't bother with non-allocated sections */
-- if (!(sechdrs[info].sh_flags & SHF_ALLOC))
-- continue;
--
-- /* If it's called *.init*, and we're not init, we're
-- not interested */
-- if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
-- != is_init)
-- continue;
--
-- syms = (Elf_Sym *) sechdrs[symindex].sh_addr;
-- if (sechdrs[i].sh_type == SHT_REL) {
-- Elf_Mips_Rel *rel = (void *) sechdrs[i].sh_addr;
-- unsigned int size = sechdrs[i].sh_size / sizeof(*rel);
--
-- for (j = 0; j < size; ++j) {
-- Elf_Sym *sym;
--
-- if (ELF_MIPS_R_TYPE(rel[j]) != R_MIPS_26)
-- continue;
--
-- sym = syms + ELF_MIPS_R_SYM(rel[j]);
-- if (!is_init && sym->st_shndx != SHN_UNDEF)
-- continue;
--
-- ret += 4 * sizeof(int);
-- }
-- } else {
-- Elf_Mips_Rela *rela = (void *) sechdrs[i].sh_addr;
-- unsigned int size = sechdrs[i].sh_size / sizeof(*rela);
--
-- for (j = 0; j < size; ++j) {
-- Elf_Sym *sym;
--
-- if (ELF_MIPS_R_TYPE(rela[j]) != R_MIPS_26)
-- continue;
--
-- sym = syms + ELF_MIPS_R_SYM(rela[j]);
-- if (!is_init && sym->st_shndx != SHN_UNDEF)
-- continue;
--
-- ret += 4 * sizeof(int);
-- }
-- }
-- }
--
-- return ret;
--}
--
--#ifndef MODULE_START
--static void *alloc_phys(unsigned long size)
--{
-- unsigned order;
-- struct page *page;
-- struct page *p;
--
-- size = PAGE_ALIGN(size);
-- order = get_order(size);
--
-- page = alloc_pages(GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN |
-- __GFP_THISNODE, order);
-- if (!page)
-- return NULL;
--
-- split_page(page, order);
--
-- for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p)
-- __free_page(p);
--
-- return page_address(page);
--}
--#endif
--
--static void free_phys(void *ptr, unsigned long size)
--{
-- struct page *page;
-- struct page *end;
--
-- page = virt_to_page(ptr);
-- end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT);
--
-- for (; page < end; ++page)
-- __free_page(page);
--}
--
--
- void *module_alloc(unsigned long size)
- {
- #ifdef MODULE_START
-@@ -162,99 +51,21 @@ void *module_alloc(unsigned long size)
- GFP_KERNEL, PAGE_KERNEL, -1,
- __builtin_return_address(0));
- #else
-- void *ptr;
--
- if (size == 0)
- return NULL;
--
-- ptr = alloc_phys(size);
--
-- /* If we failed to allocate physically contiguous memory,
-- * fall back to regular vmalloc. The module loader code will
-- * create jump tables to handle long jumps */
-- if (!ptr)
-- return vmalloc(size);
--
-- return ptr;
--#endif
--}
--
--static inline bool is_phys_addr(void *ptr)
--{
--#ifdef CONFIG_64BIT
-- return (KSEGX((unsigned long)ptr) == CKSEG0);
--#else
-- return (KSEGX(ptr) == KSEG0);
-+ return vmalloc(size);
- #endif
- }
-
- /* Free memory returned from module_alloc */
- void module_free(struct module *mod, void *module_region)
- {
-- if (is_phys_addr(module_region)) {
-- if (mod->module_init == module_region)
-- free_phys(module_region, mod->init_size);
-- else if (mod->module_core == module_region)
-- free_phys(module_region, mod->core_size);
-- else
-- BUG();
-- } else {
-- vfree(module_region);
-- }
--}
--
--static void *__module_alloc(int size, bool phys)
--{
-- void *ptr;
--
-- if (phys)
-- ptr = kmalloc(size, GFP_KERNEL);
-- else
-- ptr = vmalloc(size);
-- return ptr;
--}
--
--static void __module_free(void *ptr)
--{
-- if (is_phys_addr(ptr))
-- kfree(ptr);
-- else
-- vfree(ptr);
-+ vfree(module_region);
- }
-
- int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
- char *secstrings, struct module *mod)
- {
-- unsigned int symindex = 0;
-- unsigned int core_size, init_size;
-- int i;
--
-- for (i = 1; i < hdr->e_shnum; i++)
-- if (sechdrs[i].sh_type == SHT_SYMTAB)
-- symindex = i;
--
-- core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false);
-- init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true);
--
-- mod->arch.phys_plt_offset = 0;
-- mod->arch.virt_plt_offset = 0;
-- mod->arch.phys_plt_tbl = NULL;
-- mod->arch.virt_plt_tbl = NULL;
--
-- if ((core_size + init_size) == 0)
-- return 0;
--
-- mod->arch.phys_plt_tbl = __module_alloc(core_size + init_size, 1);
-- if (!mod->arch.phys_plt_tbl)
-- return -ENOMEM;
--
-- mod->arch.virt_plt_tbl = __module_alloc(core_size + init_size, 0);
-- if (!mod->arch.virt_plt_tbl) {
-- __module_free(mod->arch.phys_plt_tbl);
-- mod->arch.phys_plt_tbl = NULL;
-- return -ENOMEM;
-- }
--
- return 0;
- }
-
-@@ -277,36 +88,28 @@ static int apply_r_mips_32_rela(struct m
- return 0;
- }
-
--static Elf_Addr add_plt_entry_to(unsigned *plt_offset,
-- void *start, Elf_Addr v)
-+static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
- {
-- unsigned *tramp = start + *plt_offset;
-- *plt_offset += 4 * sizeof(int);
--
-- /* adjust carry for addiu */
-- if (v & 0x00008000)
-- v += 0x10000;
--
-- tramp[0] = 0x3c190000 | (v >> 16); /* lui t9, hi16 */
-- tramp[1] = 0x27390000 | (v & 0xffff); /* addiu t9, t9, lo16 */
-- tramp[2] = 0x03200008; /* jr t9 */
-- tramp[3] = 0x00000000; /* nop */
-+ if (v % 4) {
-+ pr_err("module %s: dangerous R_MIPS_26 REL relocation\n",
-+ me->name);
-+ return -ENOEXEC;
-+ }
-
-- return (Elf_Addr) tramp;
--}
-+ if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-+ printk(KERN_ERR
-+ "module %s: relocation overflow\n",
-+ me->name);
-+ return -ENOEXEC;
-+ }
-
--static Elf_Addr add_plt_entry(struct module *me, void *location, Elf_Addr v)
--{
-- if (is_phys_addr(location))
-- return add_plt_entry_to(&me->arch.phys_plt_offset,
-- me->arch.phys_plt_tbl, v);
-- else
-- return add_plt_entry_to(&me->arch.virt_plt_offset,
-- me->arch.virt_plt_tbl, v);
-+ *location = (*location & ~0x03ffffff) |
-+ ((*location + (v >> 2)) & 0x03ffffff);
-
-+ return 0;
- }
-
--static int set_r_mips_26(struct module *me, u32 *location, u32 ofs, Elf_Addr v)
-+static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
- {
- if (v % 4) {
- pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n",
-@@ -315,31 +118,17 @@ static int set_r_mips_26(struct module *
- }
-
- if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-- v = add_plt_entry(me, location, v + (ofs << 2));
-- if (!v) {
-- printk(KERN_ERR
-+ printk(KERN_ERR
- "module %s: relocation overflow\n",
- me->name);
-- return -ENOEXEC;
-- }
-- ofs = 0;
-+ return -ENOEXEC;
- }
-
-- *location = (*location & ~0x03ffffff) | ((ofs + (v >> 2)) & 0x03ffffff);
-+ *location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff);
-
- return 0;
- }
-
--static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
--{
-- return set_r_mips_26(me, location, *location & 0x03ffffff, v);
--}
--
--static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
--{
-- return set_r_mips_26(me, location, 0, v);
--}
--
- static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v)
- {
- struct mips_hi16 *n;
-@@ -607,32 +396,11 @@ int module_finalize(const Elf_Ehdr *hdr,
- list_add(&me->arch.dbe_list, &dbe_list);
- spin_unlock_irq(&dbe_lock);
- }
--
-- /* Get rid of the fixup trampoline if we're running the module
-- * from physically mapped address space */
-- if (me->arch.phys_plt_offset == 0) {
-- __module_free(me->arch.phys_plt_tbl);
-- me->arch.phys_plt_tbl = NULL;
-- }
-- if (me->arch.virt_plt_offset == 0) {
-- __module_free(me->arch.virt_plt_tbl);
-- me->arch.virt_plt_tbl = NULL;
-- }
--
- return 0;
- }
-
- void module_arch_cleanup(struct module *mod)
- {
-- if (mod->arch.phys_plt_tbl) {
-- __module_free(mod->arch.phys_plt_tbl);
-- mod->arch.phys_plt_tbl = NULL;
-- }
-- if (mod->arch.virt_plt_tbl) {
-- __module_free(mod->arch.virt_plt_tbl);
-- mod->arch.virt_plt_tbl = NULL;
-- }
--
- spin_lock_irq(&dbe_lock);
- list_del(&mod->arch.dbe_list);
- spin_unlock_irq(&dbe_lock);
generated by cgit v1.1 at 2024-11-22 04:12:00 +0000