summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/Makefile1
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c34
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c118
-rw-r--r--arch/blackfin/kernel/cplb-nompu/cplbhdlr.S2
-rw-r--r--arch/blackfin/kernel/cplb-nompu/cplbinit.c6
-rw-r--r--arch/blackfin/kernel/dualcore_test.c49
-rw-r--r--arch/blackfin/kernel/entry.S5
-rw-r--r--arch/blackfin/kernel/kgdb.c16
-rw-r--r--arch/blackfin/kernel/module.c74
-rw-r--r--arch/blackfin/kernel/process.c2
-rw-r--r--arch/blackfin/kernel/ptrace.c28
-rw-r--r--arch/blackfin/kernel/setup.c90
-rw-r--r--arch/blackfin/kernel/traps.c296
-rw-r--r--arch/blackfin/kernel/vmlinux.lds.S40
14 files changed, 598 insertions, 163 deletions
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 6140cd69c78..606adc78aa8 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -18,6 +18,5 @@ endif
obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_BFIN_DMA_5XX) += bfin_dma_5xx.o
-obj-$(CONFIG_DUAL_CORE_TEST_MODULE) += dualcore_test.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index d54f19085f3..93229b3d6e3 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -472,6 +472,40 @@ unsigned long get_dma_curr_addr(unsigned int channel)
}
EXPORT_SYMBOL(get_dma_curr_addr);
+#ifdef CONFIG_PM
+int blackfin_dma_suspend(void)
+{
+ int i;
+
+#ifdef CONFIG_BF561 /* IMDMA channels doesn't have a PERIPHERAL_MAP */
+ for (i = 0; i <= CH_MEM_STREAM3_SRC; i++) {
+#else
+ for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++) {
+#endif
+ if (dma_ch[i].chan_status == DMA_CHANNEL_ENABLED) {
+ printk(KERN_ERR "DMA Channel %d failed to suspend\n", i);
+ return -EBUSY;
+ }
+
+ dma_ch[i].saved_peripheral_map = dma_ch[i].regs->peripheral_map;
+ }
+
+ return 0;
+}
+
+void blackfin_dma_resume(void)
+{
+ int i;
+
+#ifdef CONFIG_BF561 /* IMDMA channels doesn't have a PERIPHERAL_MAP */
+ for (i = 0; i <= CH_MEM_STREAM3_SRC; i++)
+#else
+ for (i = 0; i < MAX_BLACKFIN_DMA_CHANNEL; i++)
+#endif
+ dma_ch[i].regs->peripheral_map = dma_ch[i].saved_peripheral_map;
+}
+#endif
+
static void *__dma_memcpy(void *dest, const void *src, size_t size)
{
int direction; /* 1 - address decrease, 0 - address increase */
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index b6d89d1644c..ecbd141e0ef 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -186,7 +186,10 @@ static struct str_ident {
char name[RESOURCE_LABEL_SIZE];
} str_ident[MAX_RESOURCES];
-#if defined(CONFIG_PM) && !defined(CONFIG_BF54x)
+#if defined(CONFIG_PM)
+#if defined(CONFIG_BF54x)
+static struct gpio_port_s gpio_bank_saved[gpio_bank(MAX_BLACKFIN_GPIOS)];
+#else
static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)];
static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS];
static struct gpio_port_s gpio_bank_saved[gpio_bank(MAX_BLACKFIN_GPIOS)];
@@ -206,7 +209,7 @@ static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PORTF_INT
#ifdef BF561_FAMILY
static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB};
#endif
-
+#endif
#endif /* CONFIG_PM */
#if defined(BF548_FAMILY)
@@ -667,7 +670,7 @@ static int bfin_gpio_wakeup_type(unsigned gpio, unsigned char type)
return 0;
}
-u32 bfin_pm_setup(void)
+u32 bfin_pm_standby_setup(void)
{
u16 bank, mask, i, gpio;
@@ -679,7 +682,7 @@ u32 bfin_pm_setup(void)
gpio_bankb[bank]->maskb = 0;
if (mask) {
-#ifdef BF537_FAMILY
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
gpio_bank_saved[bank].fer = *port_fer[bank];
#endif
gpio_bank_saved[bank].inen = gpio_bankb[bank]->inen;
@@ -715,7 +718,7 @@ u32 bfin_pm_setup(void)
return 0;
}
-void bfin_pm_restore(void)
+void bfin_pm_standby_restore(void)
{
u16 bank, mask, i;
@@ -724,7 +727,7 @@ void bfin_pm_restore(void)
bank = gpio_bank(i);
if (mask) {
-#ifdef BF537_FAMILY
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_bankb[bank]->inen = gpio_bank_saved[bank].inen;
@@ -743,8 +746,111 @@ void bfin_pm_restore(void)
AWA_DUMMY_READ(maskb);
}
+void bfin_gpio_pm_hibernate_suspend(void)
+{
+ int i, bank;
+
+ for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
+ bank = gpio_bank(i);
+
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+ gpio_bank_saved[bank].fer = *port_fer[bank];
+#ifdef BF527_FAMILY
+ gpio_bank_saved[bank].mux = *port_mux[bank];
+#else
+ if (bank == 0)
+ gpio_bank_saved[bank].mux = bfin_read_PORT_MUX();
+#endif
+#endif
+ gpio_bank_saved[bank].data = gpio_bankb[bank]->data;
+ gpio_bank_saved[bank].inen = gpio_bankb[bank]->inen;
+ gpio_bank_saved[bank].polar = gpio_bankb[bank]->polar;
+ gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir;
+ gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge;
+ gpio_bank_saved[bank].both = gpio_bankb[bank]->both;
+ gpio_bank_saved[bank].maska = gpio_bankb[bank]->maska;
+ }
+
+ AWA_DUMMY_READ(maska);
+}
+
+void bfin_gpio_pm_hibernate_restore(void)
+{
+ int i, bank;
+
+ for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
+ bank = gpio_bank(i);
+
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+#ifdef BF527_FAMILY
+ *port_mux[bank] = gpio_bank_saved[bank].mux;
+#else
+ if (bank == 0)
+ bfin_write_PORT_MUX(gpio_bank_saved[bank].mux);
+#endif
+ *port_fer[bank] = gpio_bank_saved[bank].fer;
+#endif
+ gpio_bankb[bank]->inen = gpio_bank_saved[bank].inen;
+ gpio_bankb[bank]->dir = gpio_bank_saved[bank].dir;
+ gpio_bankb[bank]->polar = gpio_bank_saved[bank].polar;
+ gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge;
+ gpio_bankb[bank]->both = gpio_bank_saved[bank].both;
+
+ gpio_bankb[bank]->data_set = gpio_bank_saved[bank].data
+ | gpio_bank_saved[bank].dir;
+
+ gpio_bankb[bank]->maska = gpio_bank_saved[bank].maska;
+ }
+ AWA_DUMMY_READ(maska);
+}
+
+
#endif
#else /* BF548_FAMILY */
+#ifdef CONFIG_PM
+
+u32 bfin_pm_standby_setup(void)
+{
+ return 0;
+}
+
+void bfin_pm_standby_restore(void)
+{
+
+}
+
+void bfin_gpio_pm_hibernate_suspend(void)
+{
+ int i, bank;
+
+ for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
+ bank = gpio_bank(i);
+
+ gpio_bank_saved[bank].fer = gpio_array[bank]->port_fer;
+ gpio_bank_saved[bank].mux = gpio_array[bank]->port_mux;
+ gpio_bank_saved[bank].data = gpio_array[bank]->port_data;
+ gpio_bank_saved[bank].data = gpio_array[bank]->port_data;
+ gpio_bank_saved[bank].inen = gpio_array[bank]->port_inen;
+ gpio_bank_saved[bank].dir = gpio_array[bank]->port_dir_set;
+ }
+}
+
+void bfin_gpio_pm_hibernate_restore(void)
+{
+ int i, bank;
+
+ for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
+ bank = gpio_bank(i);
+
+ gpio_array[bank]->port_mux = gpio_bank_saved[bank].mux;
+ gpio_array[bank]->port_fer = gpio_bank_saved[bank].fer;
+ gpio_array[bank]->port_inen = gpio_bank_saved[bank].inen;
+ gpio_array[bank]->port_dir_set = gpio_bank_saved[bank].dir;
+ gpio_array[bank]->port_set = gpio_bank_saved[bank].data
+ | gpio_bank_saved[bank].dir;
+ }
+}
+#endif
unsigned short get_gpio_dir(unsigned gpio)
{
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbhdlr.S b/arch/blackfin/kernel/cplb-nompu/cplbhdlr.S
index 2788532de72..ecbabc0a1fe 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbhdlr.S
+++ b/arch/blackfin/kernel/cplb-nompu/cplbhdlr.S
@@ -125,6 +125,6 @@ ENTRY(__cplb_hdr)
SP += -12;
call _panic_cplb_error;
SP += 12;
- JUMP _handle_bad_cplb;
+ JUMP.L _handle_bad_cplb;
ENDPROC(__cplb_hdr)
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 6be0c50122e..224e7cc30bc 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -26,11 +26,7 @@
#include <asm/cplb.h>
#include <asm/cplbinit.h>
-#ifdef CONFIG_MAX_MEM_SIZE
-# define CPLB_MEM CONFIG_MAX_MEM_SIZE
-#else
-# define CPLB_MEM CONFIG_MEM_SIZE
-#endif
+#define CPLB_MEM CONFIG_MAX_MEM_SIZE
/*
* Number of required data CPLB switchtable entries
diff --git a/arch/blackfin/kernel/dualcore_test.c b/arch/blackfin/kernel/dualcore_test.c
deleted file mode 100644
index 0fcba74840b..00000000000
--- a/arch/blackfin/kernel/dualcore_test.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * File: arch/blackfin/kernel/dualcore_test.c
- * Based on:
- * Author:
- *
- * Created:
- * Description: Small test code for CoreB on a BF561
- *
- * Modified:
- * Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-
-static int *testarg = (int *)0xfeb00000;
-
-static int test_init(void)
-{
- *testarg = 1;
- printk(KERN_INFO "Dual core test module inserted: set testarg = [%d]\n @ [%p]\n",
- *testarg, testarg);
- return 0;
-}
-
-static void test_exit(void)
-{
- printk(KERN_INFO "Dual core test module removed: testarg = [%d]\n", *testarg);
-}
-
-module_init(test_init);
-module_exit(test_exit);
diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S
index 65f4e67a65c..31bd9bf3efa 100644
--- a/arch/blackfin/kernel/entry.S
+++ b/arch/blackfin/kernel/entry.S
@@ -64,6 +64,11 @@ ENDPROC(_ret_from_fork)
ENTRY(_sys_fork)
r0 = -EINVAL;
+#if (ANOMALY_05000371)
+ nop;
+ nop;
+ nop;
+#endif
rts;
ENDPROC(_sys_fork)
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index a9c15515bfd..a1f9641a642 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -203,6 +203,8 @@ struct hw_breakpoint {
int kgdb_arch_init(void)
{
+ debugger_step = 0;
+
kgdb_remove_all_hw_break();
return 0;
}
@@ -368,6 +370,7 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
char *ptr;
int newPC;
int wp_status;
+ int i;
switch (remcom_in_buffer[0]) {
case 'c':
@@ -392,7 +395,18 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo,
/* set the trace bit if we're stepping */
if (remcom_in_buffer[0] == 's') {
linux_regs->syscfg |= 0x1;
- debugger_step = 1;
+ debugger_step = linux_regs->ipend;
+ debugger_step >>= 6;
+ for (i = 10; i > 0; i--, debugger_step >>= 1)
+ if (debugger_step & 1)
+ break;
+ /* i indicate event priority of current stopped instruction
+ * user space instruction is 0, IVG15 is 1, IVTMR is 10.
+ * debugger_step > 0 means in single step mode
+ */
+ debugger_step = i + 1;
+ } else {
+ debugger_step = 0;
}
wp_status = bfin_read_WPSTAT();
diff --git a/arch/blackfin/kernel/module.c b/arch/blackfin/kernel/module.c
index 14a42848f37..e1bebc80a5b 100644
--- a/arch/blackfin/kernel/module.c
+++ b/arch/blackfin/kernel/module.c
@@ -173,7 +173,7 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
for (s = sechdrs; s < sechdrs_end; ++s) {
if ((strcmp(".l1.text", secstrings + s->sh_name) == 0) ||
((strcmp(".text", secstrings + s->sh_name) == 0) &&
- (hdr->e_flags & FLG_CODE_IN_L1) && (s->sh_size > 0))) {
+ (hdr->e_flags & EF_BFIN_CODE_IN_L1) && (s->sh_size > 0))) {
dest = l1_inst_sram_alloc(s->sh_size);
mod->arch.text_l1 = dest;
if (dest == NULL) {
@@ -188,7 +188,7 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
}
if ((strcmp(".l1.data", secstrings + s->sh_name) == 0) ||
((strcmp(".data", secstrings + s->sh_name) == 0) &&
- (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {
+ (hdr->e_flags & EF_BFIN_DATA_IN_L1) && (s->sh_size > 0))) {
dest = l1_data_sram_alloc(s->sh_size);
mod->arch.data_a_l1 = dest;
if (dest == NULL) {
@@ -203,7 +203,7 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
}
if (strcmp(".l1.bss", secstrings + s->sh_name) == 0 ||
((strcmp(".bss", secstrings + s->sh_name) == 0) &&
- (hdr->e_flags & FLG_DATA_IN_L1) && (s->sh_size > 0))) {
+ (hdr->e_flags & EF_BFIN_DATA_IN_L1) && (s->sh_size > 0))) {
dest = l1_data_sram_alloc(s->sh_size);
mod->arch.bss_a_l1 = dest;
if (dest == NULL) {
@@ -242,6 +242,51 @@ module_frob_arch_sections(Elf_Ehdr * hdr, Elf_Shdr * sechdrs,
s->sh_flags &= ~SHF_ALLOC;
s->sh_addr = (unsigned long)dest;
}
+ if ((strcmp(".l2.text", secstrings + s->sh_name) == 0) ||
+ ((strcmp(".text", secstrings + s->sh_name) == 0) &&
+ (hdr->e_flags & EF_BFIN_CODE_IN_L2) && (s->sh_size > 0))) {
+ dest = l2_sram_alloc(s->sh_size);
+ mod->arch.text_l2 = dest;
+ if (dest == NULL) {
+ printk(KERN_ERR
+ "module %s: L2 SRAM allocation failed\n",
+ mod->name);
+ return -1;
+ }
+ memcpy(dest, (void *)s->sh_addr, s->sh_size);
+ s->sh_flags &= ~SHF_ALLOC;
+ s->sh_addr = (unsigned long)dest;
+ }
+ if ((strcmp(".l2.data", secstrings + s->sh_name) == 0) ||
+ ((strcmp(".data", secstrings + s->sh_name) == 0) &&
+ (hdr->e_flags & EF_BFIN_DATA_IN_L2) && (s->sh_size > 0))) {
+ dest = l2_sram_alloc(s->sh_size);
+ mod->arch.data_l2 = dest;
+ if (dest == NULL) {
+ printk(KERN_ERR
+ "module %s: L2 SRAM allocation failed\n",
+ mod->name);
+ return -1;
+ }
+ memcpy(dest, (void *)s->sh_addr, s->sh_size);
+ s->sh_flags &= ~SHF_ALLOC;
+ s->sh_addr = (unsigned long)dest;
+ }
+ if (strcmp(".l2.bss", secstrings + s->sh_name) == 0 ||
+ ((strcmp(".bss", secstrings + s->sh_name) == 0) &&
+ (hdr->e_flags & EF_BFIN_DATA_IN_L2) && (s->sh_size > 0))) {
+ dest = l2_sram_alloc(s->sh_size);
+ mod->arch.bss_l2 = dest;
+ if (dest == NULL) {
+ printk(KERN_ERR
+ "module %s: L2 SRAM allocation failed\n",
+ mod->name);
+ return -1;
+ }
+ memset(dest, 0, s->sh_size);
+ s->sh_flags &= ~SHF_ALLOC;
+ s->sh_addr = (unsigned long)dest;
+ }
}
return 0;
}
@@ -411,9 +456,10 @@ module_finalize(const Elf_Ehdr * hdr,
continue;
if ((sechdrs[i].sh_type == SHT_RELA) &&
- ((strcmp(".rela.l1.text", secstrings + sechdrs[i].sh_name) == 0) ||
+ ((strcmp(".rela.l2.text", secstrings + sechdrs[i].sh_name) == 0) ||
+ (strcmp(".rela.l1.text", secstrings + sechdrs[i].sh_name) == 0) ||
((strcmp(".rela.text", secstrings + sechdrs[i].sh_name) == 0) &&
- (hdr->e_flags & FLG_CODE_IN_L1)))) {
+ (hdr->e_flags & (EF_BFIN_CODE_IN_L1|EF_BFIN_CODE_IN_L2))))) {
apply_relocate_add((Elf_Shdr *) sechdrs, strtab,
symindex, i, mod);
}
@@ -423,14 +469,12 @@ module_finalize(const Elf_Ehdr * hdr,
void module_arch_cleanup(struct module *mod)
{
- if (mod->arch.text_l1)
- l1_inst_sram_free((void *)mod->arch.text_l1);
- if (mod->arch.data_a_l1)
- l1_data_sram_free((void *)mod->arch.data_a_l1);
- if (mod->arch.bss_a_l1)
- l1_data_sram_free((void *)mod->arch.bss_a_l1);
- if (mod->arch.data_b_l1)
- l1_data_B_sram_free((void *)mod->arch.data_b_l1);
- if (mod->arch.bss_b_l1)
- l1_data_B_sram_free((void *)mod->arch.bss_b_l1);
+ l1_inst_sram_free(mod->arch.text_l1);
+ l1_data_A_sram_free(mod->arch.data_a_l1);
+ l1_data_A_sram_free(mod->arch.bss_a_l1);
+ l1_data_B_sram_free(mod->arch.data_b_l1);
+ l1_data_B_sram_free(mod->arch.bss_b_l1);
+ l2_sram_free(mod->arch.text_l2);
+ l2_sram_free(mod->arch.data_l2);
+ l2_sram_free(mod->arch.bss_l2);
}
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 53c2cd25544..77800dd83e5 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -105,7 +105,7 @@ void cpu_idle(void)
#endif
if (!idle)
idle = default_idle;
- tick_nohz_stop_sched_tick();
+ tick_nohz_stop_sched_tick(1);
while (!need_resched())
idle();
tick_nohz_restart_sched_tick();
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index f51ab088098..bf1a51d8e60 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -220,6 +220,20 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
copied = sizeof(tmp);
} else
#endif
+#if L1_DATA_A_LENGTH != 0
+ if (addr + add >= L1_DATA_A_START
+ && addr + add + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
+ memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
+ copied = sizeof(tmp);
+ } else
+#endif
+#if L1_DATA_B_LENGTH != 0
+ if (addr + add >= L1_DATA_B_START
+ && addr + add + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
+ memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
+ copied = sizeof(tmp);
+ } else
+#endif
if (addr + add >= FIXED_CODE_START
&& addr + add + sizeof(tmp) <= FIXED_CODE_END) {
memcpy(&tmp, (const void *)(addr + add), sizeof(tmp));
@@ -290,6 +304,20 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
copied = sizeof(data);
} else
#endif
+#if L1_DATA_A_LENGTH != 0
+ if (addr + add >= L1_DATA_A_START
+ && addr + add + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) {
+ memcpy((void *)(addr + add), &data, sizeof(data));
+ copied = sizeof(data);
+ } else
+#endif
+#if L1_DATA_B_LENGTH != 0
+ if (addr + add >= L1_DATA_B_START
+ && addr + add + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) {
+ memcpy((void *)(addr + add), &data, sizeof(data));
+ copied = sizeof(data);
+ } else
+#endif
if (addr + add >= FIXED_CODE_START
&& addr + add + sizeof(data) <= FIXED_CODE_END) {
memcpy((void *)(addr + add), &data, sizeof(data));
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8efea004aec..23e637eb78d 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -104,6 +104,7 @@ void __init bf53x_relocate_l1_mem(void)
unsigned long l1_code_length;
unsigned long l1_data_a_length;
unsigned long l1_data_b_length;
+ unsigned long l2_length;
l1_code_length = _etext_l1 - _stext_l1;
if (l1_code_length > L1_CODE_LENGTH)
@@ -129,6 +130,15 @@ void __init bf53x_relocate_l1_mem(void)
/* Copy _sdata_b_l1 to _ebss_b_l1 to L1 data bank B SRAM */
dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
l1_data_a_length, l1_data_b_length);
+
+#ifdef L2_LENGTH
+ l2_length = _ebss_l2 - _stext_l2;
+ if (l2_length > L2_LENGTH)
+ panic("L2 SRAM Overflow\n");
+
+ /* Copy _stext_l2 to _edata_l2 to L2 SRAM */
+ dma_memcpy(_stext_l2, _l2_lma_start, l2_length);
+#endif
}
/* add_memory_region to memmap */
@@ -664,11 +674,8 @@ static __init void setup_bootmem_allocator(void)
})
static inline int __init get_mem_size(void)
{
-#ifdef CONFIG_MEM_SIZE
- return CONFIG_MEM_SIZE;
-#else
-# if defined(EBIU_SDBCTL)
-# if defined(BF561_FAMILY)
+#if defined(EBIU_SDBCTL)
+# if defined(BF561_FAMILY)
int ret = 0;
u32 sdbctl = bfin_read_EBIU_SDBCTL();
ret += EBSZ_TO_MEG(sdbctl >> 0);
@@ -676,10 +683,10 @@ static inline int __init get_mem_size(void)
ret += EBSZ_TO_MEG(sdbctl >> 16);
ret += EBSZ_TO_MEG(sdbctl >> 24);
return ret;
-# else
+# else
return EBSZ_TO_MEG(bfin_read_EBIU_SDBCTL());
-# endif
-# elif defined(EBIU_DDRCTL1)
+# endif
+#elif defined(EBIU_DDRCTL1)
u32 ddrctl = bfin_read_EBIU_DDRCTL1();
int ret = 0;
switch (ddrctl & 0xc0000) {
@@ -693,8 +700,9 @@ static inline int __init get_mem_size(void)
case DEVWD_8: ret *= 2;
case DEVWD_16: break;
}
+ if ((ddrctl & 0xc000) == 0x4000)
+ ret *= 2;
return ret;
-# endif
#endif
BUG();
}
@@ -763,6 +771,9 @@ void __init setup_arch(char **cmdline_p)
_bfin_swrst = bfin_read_SWRST();
+ /* If we double fault, reset the system - otherwise we hang forever */
+ bfin_write_SWRST(DOUBLE_FAULT);
+
if (_bfin_swrst & RESET_DOUBLE)
printk(KERN_INFO "Recovering from Double Fault event\n");
else if (_bfin_swrst & RESET_WDOG)
@@ -842,38 +853,55 @@ static int __init topology_init(void)
subsys_initcall(topology_init);
+/* Get the voltage input multiplier */
+static u_long cached_vco_pll_ctl, cached_vco;
static u_long get_vco(void)
{
u_long msel;
- u_long vco;
- msel = (bfin_read_PLL_CTL() >> 9) & 0x3F;
+ u_long pll_ctl = bfin_read_PLL_CTL();
+ if (pll_ctl == cached_vco_pll_ctl)
+ return cached_vco;
+ else
+ cached_vco_pll_ctl = pll_ctl;
+
+ msel = (pll_ctl >> 9) & 0x3F;
if (0 == msel)
msel = 64;
- vco = CONFIG_CLKIN_HZ;
- vco >>= (1 & bfin_read_PLL_CTL()); /* DF bit */
- vco = msel * vco;
- return vco;
+ cached_vco = CONFIG_CLKIN_HZ;
+ cached_vco >>= (1 & pll_ctl); /* DF bit */
+ cached_vco *= msel;
+ return cached_vco;
}
/* Get the Core clock */
+static u_long cached_cclk_pll_div, cached_cclk;
u_long get_cclk(void)
{
u_long csel, ssel;
+
if (bfin_read_PLL_STAT() & 0x1)
return CONFIG_CLKIN_HZ;
ssel = bfin_read_PLL_DIV();
+ if (ssel == cached_cclk_pll_div)
+ return cached_cclk;
+ else
+ cached_cclk_pll_div = ssel;
+
csel = ((ssel >> 4) & 0x03);
ssel &= 0xf;
if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
- return get_vco() / ssel;
- return get_vco() >> csel;
+ cached_cclk = get_vco() / ssel;
+ else
+ cached_cclk = get_vco() >> csel;
+ return cached_cclk;
}
EXPORT_SYMBOL(get_cclk);
/* Get the System clock */
+static u_long cached_sclk_pll_div, cached_sclk;
u_long get_sclk(void)
{
u_long ssel;
@@ -881,13 +909,20 @@ u_long get_sclk(void)
if (bfin_read_PLL_STAT() & 0x1)
return CONFIG_CLKIN_HZ;
- ssel = (bfin_read_PLL_DIV() & 0xf);
+ ssel = bfin_read_PLL_DIV();
+ if (ssel == cached_sclk_pll_div)
+ return cached_sclk;
+ else
+ cached_sclk_pll_div = ssel;
+
+ ssel &= 0xf;
if (0 == ssel) {
printk(KERN_WARNING "Invalid System Clock\n");
ssel = 1;
}
- return get_vco() / ssel;
+ cached_sclk = get_vco() / ssel;
+ return cached_sclk;
}
EXPORT_SYMBOL(get_sclk);
@@ -916,7 +951,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
uint32_t revid;
u_long cclk = 0, sclk = 0;
- u_int dcache_size = 0, dsup_banks = 0;
+ u_int icache_size = BFIN_ICACHESIZE / 1024, dcache_size = 0, dsup_banks = 0;
cpu = CPU;
mmu = "none";
@@ -985,12 +1020,15 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}
/* Is it turned on? */
- if (!((bfin_read_DMEM_CONTROL()) & (ENDCPLB | DMC_ENABLE)))
+ if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE))
dcache_size = 0;
+ if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB))
+ icache_size = 0;
+
seq_printf(m, "cache size\t: %d KB(L1 icache) "
"%d KB(L1 dcache-%s) %d KB(L2 cache)\n",
- BFIN_ICACHESIZE / 1024, dcache_size,
+ icache_size, dcache_size,
#if defined CONFIG_BFIN_WB
"wb"
#elif defined CONFIG_BFIN_WT
@@ -1000,8 +1038,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "%s\n", cache);
- seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n",
- BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
+ if (icache_size)
+ seq_printf(m, "icache setup\t: %d Sub-banks/%d Ways, %d Lines/Way\n",
+ BFIN_ISUBBANKS, BFIN_IWAYS, BFIN_ILINES);
+ else
+ seq_printf(m, "icache setup\t: off\n");
+
seq_printf(m,
"dcache setup\t: %d Super-banks/%d Sub-banks/%d Ways, %d Lines/Way\n",
dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index f061f518162..ad922ab9154 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -69,8 +69,6 @@ void __init trap_init(void)
unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr;
-int kstack_depth_to_print = 48;
-
static void decode_address(char *buf, unsigned long address)
{
struct vm_list_struct *vml;
@@ -163,6 +161,9 @@ static void decode_address(char *buf, unsigned long address)
if (!in_atomic)
mmput(mm);
+ if (!strlen(buf))
+ sprintf(buf, "<0x%p> [ %s ] dynamic memory", (void *)address, name);
+
goto done;
}
@@ -173,7 +174,7 @@ static void decode_address(char *buf, unsigned long address)
}
/* we were unable to find this address anywhere */
- sprintf(buf, "<0x%p> /* unknown address */", (void *)address);
+ sprintf(buf, "<0x%p> /* kernel dynamic memory */", (void *)address);
done:
write_unlock_irqrestore(&tasklist_lock, flags);
@@ -494,7 +495,7 @@ asmlinkage void trap_c(struct pt_regs *fp)
BUG_ON(sig == 0);
if (sig != SIGTRAP) {
- unsigned long stack;
+ unsigned long *stack;
dump_bfin_process(fp);
dump_bfin_mem(fp);
show_regs(fp);
@@ -508,14 +509,23 @@ asmlinkage void trap_c(struct pt_regs *fp)
else
#endif
dump_bfin_trace_buffer();
- show_stack(current, &stack);
+
if (oops_in_progress) {
+ /* Dump the current kernel stack */
+ printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n");
+ show_stack(current, NULL);
+
print_modules();
#ifndef CONFIG_ACCESS_CHECK
printk(KERN_EMERG "Please turn on "
"CONFIG_ACCESS_CHECK\n");
#endif
panic("Kernel exception");
+ } else {
+ /* Dump the user space stack */
+ stack = (unsigned long *)rdusp();
+ printk(KERN_NOTICE "Userspace Stack\n");
+ show_stack(NULL, stack);
}
}
@@ -532,11 +542,71 @@ asmlinkage void trap_c(struct pt_regs *fp)
#define EXPAND_LEN ((1 << CONFIG_DEBUG_BFIN_HWTRACE_EXPAND_LEN) * 256 - 1)
+/*
+ * Similar to get_user, do some address checking, then dereference
+ * Return true on sucess, false on bad address
+ */
+bool get_instruction(unsigned short *val, unsigned short *address)
+{
+
+ unsigned long addr;
+
+ addr = (unsigned long)address;
+
+ /* Check for odd addresses */
+ if (addr & 0x1)
+ return false;
+
+ /* Check that things do not wrap around */
+ if (addr > (addr + 2))
+ return false;
+
+ /*
+ * Since we are in exception context, we need to do a little address checking
+ * We need to make sure we are only accessing valid memory, and
+ * we don't read something in the async space that can hang forever
+ */
+ if ((addr >= FIXED_CODE_START && (addr + 2) <= physical_mem_end) ||
+#ifdef L2_START
+ (addr >= L2_START && (addr + 2) <= (L2_START + L2_LENGTH)) ||
+#endif
+ (addr >= BOOT_ROM_START && (addr + 2) <= (BOOT_ROM_START + BOOT_ROM_LENGTH)) ||
+#if L1_DATA_A_LENGTH != 0
+ (addr >= L1_DATA_A_START && (addr + 2) <= (L1_DATA_A_START + L1_DATA_A_LENGTH)) ||
+#endif
+#if L1_DATA_B_LENGTH != 0
+ (addr >= L1_DATA_B_START && (addr + 2) <= (L1_DATA_B_START + L1_DATA_B_LENGTH)) ||
+#endif
+ (addr >= L1_SCRATCH_START && (addr + 2) <= (L1_SCRATCH_START + L1_SCRATCH_LENGTH)) ||
+ (!(bfin_read_EBIU_AMBCTL0() & B0RDYEN) &&
+ addr >= ASYNC_BANK0_BASE && (addr + 2) <= (ASYNC_BANK0_BASE + ASYNC_BANK0_SIZE)) ||
+ (!(bfin_read_EBIU_AMBCTL0() & B1RDYEN) &&
+ addr >= ASYNC_BANK1_BASE && (addr + 2) <= (ASYNC_BANK1_BASE + ASYNC_BANK1_SIZE)) ||
+ (!(bfin_read_EBIU_AMBCTL1() & B2RDYEN) &&
+ addr >= ASYNC_BANK2_BASE && (addr + 2) <= (ASYNC_BANK2_BASE + ASYNC_BANK1_SIZE)) ||
+ (!(bfin_read_EBIU_AMBCTL1() & B3RDYEN) &&
+ addr >= ASYNC_BANK3_BASE && (addr + 2) <= (ASYNC_BANK3_BASE + ASYNC_BANK1_SIZE))) {
+ *val = *address;
+ return true;
+ }
+
+#if L1_CODE_LENGTH != 0
+ if (addr >= L1_CODE_START && (addr + 2) <= (L1_CODE_START + L1_CODE_LENGTH)) {
+ dma_memcpy(val, address, 2);
+ return true;
+ }
+#endif
+
+
+ return false;
+}
+
void dump_bfin_trace_buffer(void)
{
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
int tflags, i = 0;
char buf[150];
+ unsigned short val = 0, *addr;
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_EXPAND
int j, index;
#endif
@@ -549,8 +619,42 @@ void dump_bfin_trace_buffer(void)
for (; bfin_read_TBUFSTAT() & TBUFCNT; i++) {
decode_address(buf, (unsigned long)bfin_read_TBUF());
printk(KERN_NOTICE "%4i Target : %s\n", i, buf);
- decode_address(buf, (unsigned long)bfin_read_TBUF());
- printk(KERN_NOTICE " Source : %s\n", buf);
+ addr = (unsigned short *)bfin_read_TBUF();
+ decode_address(buf, (unsigned long)addr);
+ printk(KERN_NOTICE " Source : %s ", buf);
+ if (get_instruction(&val, addr)) {
+ if (val == 0x0010)
+ printk("RTS");
+ else if (val == 0x0011)
+ printk("RTI");
+ else if (val == 0x0012)
+ printk("RTX");
+ else if (val >= 0x0050 && val <= 0x0057)
+ printk("JUMP (P%i)", val & 7);
+ else if (val >= 0x0060 && val <= 0x0067)
+ printk("CALL (P%i)", val & 7);
+ else if (val >= 0x0070 && val <= 0x0077)
+ printk("CALL (PC+P%i)", val & 7);
+ else if (val >= 0x0080 && val <= 0x0087)
+ printk("JUMP (PC+P%i)", val & 7);
+ else if ((val >= 0x1000 && val <= 0x13FF) ||
+ (val >= 0x1800 && val <= 0x1BFF))
+ printk("IF !CC JUMP");
+ else if ((val >= 0x1400 && val <= 0x17ff) ||
+ (val >= 0x1c00 && val <= 0x1fff))
+ printk("IF CC JUMP");
+ else if (val >= 0x2000 && val <= 0x2fff)
+ printk("JUMP.S");
+ else if (val >= 0xe080 && val <= 0xe0ff)
+ printk("LSETUP");
+ else if (val >= 0xe200 && val <= 0xe2ff)
+ printk("JUMP.L");
+ else if (val >= 0xe300 && val <= 0xe3ff)
+ printk("CALL pcrel");
+ else
+ printk("0x%04x", val);
+ }
+ printk("\n");
}
}
@@ -582,59 +686,151 @@ void dump_bfin_trace_buffer(void)
}
EXPORT_SYMBOL(dump_bfin_trace_buffer);
-static void show_trace(struct task_struct *tsk, unsigned long *sp)
+/*
+ * Checks to see if the address pointed to is either a
+ * 16-bit CALL instruction, or a 32-bit CALL instruction
+ */
+bool is_bfin_call(unsigned short *addr)
{
- unsigned long addr;
+ unsigned short opcode = 0, *ins_addr;
+ ins_addr = (unsigned short *)addr;
- printk(KERN_NOTICE "\n" KERN_NOTICE "Call Trace:\n");
-
- while (!kstack_end(sp)) {
- addr = *sp++;
- /*
- * If the address is either in the text segment of the
- * kernel, or in the region which contains vmalloc'ed
- * memory, it *may* be the address of a calling
- * routine; if so, print it so that someone tracing
- * down the cause of the crash will be able to figure
- * out the call path that was taken.
- */
- if (kernel_text_address(addr))
- print_ip_sym(addr);
- }
+ if (!get_instruction(&opcode, ins_addr))
+ return false;
- printk(KERN_NOTICE "\n");
-}
+ if ((opcode >= 0x0060 && opcode <= 0x0067) ||
+ (opcode >= 0x0070 && opcode <= 0x0077))
+ return true;
+
+ ins_addr--;
+ if (!get_instruction(&opcode, ins_addr))
+ return false;
+ if (opcode >= 0xE300 && opcode <= 0xE3FF)
+ return true;
+
+ return false;
+
+}
void show_stack(struct task_struct *task, unsigned long *stack)
{
- unsigned long *endstack, addr;
- int i;
+ unsigned int *addr, *endstack, *fp = 0, *frame;
+ unsigned short *ins_addr;
+ char buf[150];
+ unsigned int i, j, ret_addr, frame_no = 0;
- /* Cannot call dump_bfin_trace_buffer() here as show_stack() is
- * called externally in some places in the kernel.
+ /*
+ * If we have been passed a specific stack, use that one otherwise
+ * if we have been passed a task structure, use that, otherwise
+ * use the stack of where the variable "stack" exists
*/
- if (!stack) {
- if (task)
+ if (stack == NULL) {
+ if (task) {
+ /* We know this is a kernel stack, so this is the start/end */
stack = (unsigned long *)task->thread.ksp;
- else
+ endstack = (unsigned int *)(((unsigned int)(stack) & ~(THREAD_SIZE - 1)) + THREAD_SIZE);
+ } else {
+ /* print out the existing stack info */
stack = (unsigned long *)&stack;
+ endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
+ }
+ } else
+ endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack);
+
+ decode_address(buf, (unsigned int)stack);
+ printk(KERN_NOTICE "Stack info:\n" KERN_NOTICE " SP: [0x%p] %s\n", stack, buf);
+ addr = (unsigned int *)((unsigned int)stack & ~0x3F);
+
+ /* First thing is to look for a frame pointer */
+ for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
+ addr < endstack; addr++, i++) {
+ if (*addr & 0x1)
+ continue;
+ ins_addr = (unsigned short *)*addr;
+ ins_addr--;
+ if (is_bfin_call(ins_addr))
+ fp = addr - 1;
+
+ if (fp) {
+ /* Let's check to see if it is a frame pointer */
+ while (fp >= (addr - 1) && fp < endstack && fp)
+ fp = (unsigned int *)*fp;
+ if (fp == 0 || fp == endstack) {
+ fp = addr - 1;
+ break;
+ }
+ fp = 0;
+ }
}
+ if (fp) {
+ frame = fp;
+ printk(" FP: (0x%p)\n", fp);
+ } else
+ frame = 0;
- addr = (unsigned long)stack;
- endstack = (unsigned long *)PAGE_ALIGN(addr);
+ /*
+ * Now that we think we know where things are, we
+ * walk the stack again, this time printing things out
+ * incase there is no frame pointer, we still look for
+ * valid return addresses
+ */
- printk(KERN_NOTICE "Stack from %08lx:", (unsigned long)stack);
- for (i = 0; i < kstack_depth_to_print; i++) {
- if (stack + 1 > endstack)
- break;
- if (i % 8 == 0)
- printk("\n" KERN_NOTICE " ");
- printk(" %08lx", *stack++);
+ /* First time print out data, next time, print out symbols */
+ for (j = 0; j <= 1; j++) {
+ if (j)
+ printk(KERN_NOTICE "Return addresses in stack:\n");
+ else
+ printk(KERN_NOTICE " Memory from 0x%08lx to %p", ((long unsigned int)stack & ~0xF), endstack);
+
+ fp = frame;
+ frame_no = 0;
+
+ for (addr = (unsigned int *)((unsigned int)stack & ~0xF), i = 0;
+ addr <= endstack; addr++, i++) {
+
+ ret_addr = 0;
+ if (!j && i % 8 == 0)
+ printk("\n" KERN_NOTICE "%p:",addr);
+
+ /* if it is an odd address, or zero, just skip it */
+ if (*addr & 0x1 || !*addr)
+ goto print;
+
+ ins_addr = (unsigned short *)*addr;
+
+ /* Go back one instruction, and see if it is a CALL */
+ ins_addr--;
+ ret_addr = is_bfin_call(ins_addr);
+ print:
+ if (!j && stack == (unsigned long *)addr)
+ printk("[%08x]", *addr);
+ else if (ret_addr)
+ if (j) {
+ decode_address(buf, (unsigned int)*addr);
+ if (frame == addr) {
+ printk(KERN_NOTICE " frame %2i : %s\n", frame_no, buf);
+ continue;
+ }
+ printk(KERN_NOTICE " address : %s\n", buf);
+ } else
+ printk("<%08x>", *addr);
+ else if (fp == addr) {
+ if (j)
+ frame = addr+1;
+ else
+ printk("(%08x)", *addr);
+
+ fp = (unsigned int *)*addr;
+ frame_no++;
+
+ } else if (!j)
+ printk(" %08x ", *addr);
+ }
+ if (!j)
+ printk("\n");
}
- printk("\n");
- show_trace(task, stack);
}
void dump_stack(void)
@@ -715,19 +911,9 @@ void dump_bfin_mem(struct pt_regs *fp)
if (!((unsigned long)addr & 0xF))
printk("\n" KERN_NOTICE "0x%p: ", addr);
- if (get_user(val, addr)) {
- if (addr >= (unsigned short *)L1_CODE_START &&
- addr < (unsigned short *)(L1_CODE_START + L1_CODE_LENGTH)) {
- dma_memcpy(&val, addr, sizeof(val));
- sprintf(buf, "%04x", val);
- } else if (addr >= (unsigned short *)FIXED_CODE_START &&
- addr <= (unsigned short *)memory_start) {
- val = bfin_read16(addr);
- sprintf(buf, "%04x", val);
- } else {
+ if (get_instruction(&val, addr)) {
val = 0;
sprintf(buf, "????");
- }
} else
sprintf(buf, "%04x", val);
diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index 3ecc64cab3b..0896e38d610 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -101,6 +101,11 @@ SECTIONS
#if !L1_DATA_B_LENGTH
*(.l1.data.B)
#endif
+#ifndef L2_LENGTH
+ . = ALIGN(32);
+ *(.data_l2.cacheline_aligned)
+ *(.l2.data)
+#endif
DATA_DATA
*(.data.*)
@@ -182,14 +187,13 @@ SECTIONS
*(.l1.data)
__edata_l1 = .;
- . = ALIGN(4);
- __sbss_l1 = .;
- *(.l1.bss)
-
. = ALIGN(32);
*(.data_l1.cacheline_aligned)
. = ALIGN(4);
+ __sbss_l1 = .;
+ *(.l1.bss)
+ . = ALIGN(4);
__ebss_l1 = .;
}
@@ -203,11 +207,37 @@ SECTIONS
. = ALIGN(4);
__sbss_b_l1 = .;
*(.l1.bss.B)
-
. = ALIGN(4);
__ebss_b_l1 = .;
}
+#ifdef L2_LENGTH
+ __l2_lma_start = .;
+
+ .text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1))
+ {
+ . = ALIGN(4);
+ __stext_l2 = .;
+ *(.l1.text)
+ . = ALIGN(4);
+ __etext_l2 = .;
+
+ . = ALIGN(4);
+ __sdata_l2 = .;
+ *(.l1.data)
+ __edata_l2 = .;
+
+ . = ALIGN(32);
+ *(.data_l2.cacheline_aligned)
+
+ . = ALIGN(4);
+ __sbss_l2 = .;
+ *(.l1.bss)
+ . = ALIGN(4);
+ __ebss_l2 = .;
+ }
+#endif
+
/* Force trailing alignment of our init section so that when we
* free our init memory, we don't leave behind a partial page.
*/
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 15:17:45 +0000