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arch: common: isr_tables: add shell command

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Add a shell command to dump the isr_tables.

```CONFIG_SYMTAB=n
uart:~$ isr_table sw_isr_table
_sw_isr_table[1035]

   7: 0x800056e2(0)
  11: 0x80005048(0x80008148)
  22: 0x800054ee(0x80008170)
```

```CONFIG_SYMTAB=y
uart:~$ isr_table sw_isr_table
_sw_isr_table[1035]

   7: timer_isr(0)
  11: plic_irq_handler(0x80008188)
  22: uart_ns16550_isr(0x800081b0)
```

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
This commit is contained in:
Yong Cong Sin 2024-08-08 11:00:42 +08:00 committed by Carles Cufí
parent d6e0b43006
commit 5107320075
3 changed files with 79 additions and 0 deletions
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5
arch/common/CMakeLists.txt
View file

@ -17,6 +17,11 @@ if(CONFIG_GEN_ISR_TABLES)
)
endif()
zephyr_library_sources_ifdef(
CONFIG_ISR_TABLE_SHELL
isr_tables_shell.c
)
zephyr_library_sources_ifdef(
CONFIG_MULTI_LEVEL_INTERRUPTS
multilevel_irq.c

7
arch/common/Kconfig
View file

@ -30,3 +30,10 @@ config LEGACY_MULTI_LEVEL_TABLE_GENERATION
help
A make-shift Kconfig to continue generating the multi-level interrupt LUT
with the legacy way using DT macros.
config ISR_TABLE_SHELL
bool "Shell command to dump the ISR tables"
depends on GEN_SW_ISR_TABLE
depends on SHELL
help
This option enables a shell command to dump the ISR tables.

67
arch/common/isr_tables_shell.c Normal file
View file

@ -0,0 +1,67 @@
/*
* Copyright (c) 2024 Meta Platforms.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/debug/symtab.h>
#include <zephyr/shell/shell.h>
#include <zephyr/sw_isr_table.h>
static void dump_isr_table_entry(const struct shell *sh, int idx, struct _isr_table_entry *entry)
{
if ((entry->isr == z_irq_spurious) || (entry->isr == NULL)) {
return;
}
#ifdef CONFIG_SYMTAB
const char *name = symtab_find_symbol_name((uintptr_t)entry->isr, NULL);
shell_print(sh, "%4d: %s(%p)", idx, name, entry->arg);
#else
shell_print(sh, "%4d: %p(%p)", idx, entry->isr, entry->arg);
#endif /* CONFIG_SYMTAB */
}
static int cmd_sw_isr_table(const struct shell *sh, size_t argc, char **argv)
{
shell_print(sh, "_sw_isr_table[%d]\n", IRQ_TABLE_SIZE);
for (int idx = 0; idx < IRQ_TABLE_SIZE; idx++) {
dump_isr_table_entry(sh, idx, &_sw_isr_table[idx]);
}
return 0;
}
#ifdef CONFIG_SHARED_INTERRUPTS
static int cmd_shared_sw_isr_table(const struct shell *sh, size_t argc, char **argv)
{
shell_print(sh, "z_shared_sw_isr_table[%d][%d]\n", IRQ_TABLE_SIZE,
CONFIG_SHARED_IRQ_MAX_NUM_CLIENTS);
for (int idx = 0; idx < IRQ_TABLE_SIZE; idx++) {
for (int c = 0; c < z_shared_sw_isr_table[idx].client_num; c++) {
dump_isr_table_entry(sh, idx, &z_shared_sw_isr_table[idx].clients[c]);
}
}
return 0;
}
#endif /* CONFIG_SHARED_INTERRUPTS */
SHELL_STATIC_SUBCMD_SET_CREATE(isr_table_cmds,
SHELL_CMD_ARG(sw_isr_table, NULL,
"Dump _sw_isr_table.\n"
"Usage: isr_table sw_isr_table",
cmd_sw_isr_table, 1, 0),
#ifdef CONFIG_SHARED_INTERRUPTS
SHELL_CMD_ARG(shared_sw_isr_table, NULL,
"Dump z_shared_sw_isr_table.\n"
"Usage: isr_table shared_sw_isr_table",
cmd_shared_sw_isr_table, 1, 0),
#endif /* CONFIG_SHARED_INTERRUPTS */
SHELL_SUBCMD_SET_END);
SHELL_CMD_ARG_REGISTER(isr_table, &isr_table_cmds, "ISR tables shell command",
NULL, 0, 0);