From d6e36e0c43bcfc84afcc507b724e35fce4772a3d Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Sat, 12 May 2012 10:49:30 +0000 Subject: sibyte: remove 2.6.37 support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31682 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/sibyte/patches/101-rhone_physmap.patch | 82 ----- target/linux/sibyte/patches/103-m41t80_smbus.patch | 367 -------------------- .../sibyte/patches/104-sibyte_rtc_cleanup.patch | 80 ----- target/linux/sibyte/patches/105-sibyte_hwmon.patch | 23 -- .../linux/sibyte/patches/106-no_module_reloc.patch | 370 --------------------- 5 files changed, 922 deletions(-) delete mode 100644 target/linux/sibyte/patches/101-rhone_physmap.patch delete mode 100644 target/linux/sibyte/patches/103-m41t80_smbus.patch delete mode 100644 target/linux/sibyte/patches/104-sibyte_rtc_cleanup.patch delete mode 100644 target/linux/sibyte/patches/105-sibyte_hwmon.patch delete mode 100644 target/linux/sibyte/patches/106-no_module_reloc.patch (limited to 'target/linux/sibyte/patches') diff --git a/target/linux/sibyte/patches/101-rhone_physmap.patch b/target/linux/sibyte/patches/101-rhone_physmap.patch deleted file mode 100644 index fb917379ec..0000000000 --- a/target/linux/sibyte/patches/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 - #include - -+#include - #include - #include - #include -@@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi - return ret; - } - device_initcall(sb1250_device_init); -+ -+#ifdef CONFIG_SIBYTE_RHONE -+ -+#include -+#include -+ -+/* 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/103-m41t80_smbus.patch b/target/linux/sibyte/patches/103-m41t80_smbus.patch deleted file mode 100644 index 84c0eba353..0000000000 --- a/target/linux/sibyte/patches/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 - * - * 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; - } -@@ -252,34 +290,11 @@ 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; - } -@@ -289,7 +304,6 @@ 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 ? -@@ -303,7 +317,8 @@ 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; - } -@@ -323,24 +338,10 @@ 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; - } -@@ -513,26 +514,16 @@ 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 -@@ -541,7 +532,7 @@ 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); - } - - /** -@@ -551,36 +542,8 @@ 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); - } - - /** -@@ -782,8 +745,8 @@ 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/104-sibyte_rtc_cleanup.patch b/target/linux/sibyte/patches/104-sibyte_rtc_cleanup.patch deleted file mode 100644 index 0483142b10..0000000000 --- a/target/linux/sibyte/patches/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/105-sibyte_hwmon.patch b/target/linux/sibyte/patches/105-sibyte_hwmon.patch deleted file mode 100644 index 93dd4230d5..0000000000 --- a/target/linux/sibyte/patches/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 - #include - -+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/106-no_module_reloc.patch b/target/linux/sibyte/patches/106-no_module_reloc.patch deleted file mode 100644 index 108b498088..0000000000 --- a/target/linux/sibyte/patches/106-no_module_reloc.patch +++ /dev/null @@ -1,370 +0,0 @@ ---- a/arch/mips/Makefile -+++ b/arch/mips/Makefile -@@ -93,8 +93,8 @@ 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 -@@ -43,117 +43,6 @@ 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 -@@ -169,99 +58,21 @@ void *module_alloc(unsigned long size) - - return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL); - #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; - } - -@@ -284,36 +95,28 @@ 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", -@@ -322,31 +125,17 @@ 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; -@@ -611,32 +400,11 @@ 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); -- cgit v1.2.3