Revert "arch: riscv: added support for custom initialization of gp register"
This reverts commit 7b09d031fa
. Because
context save of GP register is removed, we don't need to initialize GP
at thread init. GP will be a constant value so that it could only be
initialized at program start.
Signed-off-by: Jim Shu <cwshu@andestech.com>
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parent
e3fe63a221
commit
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4 changed files with 0 additions and 18 deletions
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@ -90,12 +90,6 @@ config RISCV_SOC_INTERRUPT_INIT
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Enable SOC-based interrupt initialization
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(call soc_interrupt_init, within _IntLibInit when enabled)
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config RISCV_SOC_INIT_GP_VALUE
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bool "Enable SOC-based global pointer register initialization"
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help
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Enable SOC-based pointer register initialization
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(call __soc_get_gp_initial_value when initializing a thread)
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config RISCV_GENERIC_TOOLCHAIN
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bool "Compile using generic riscv32 toolchain"
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default y
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@ -47,10 +47,6 @@ void arch_new_thread(struct k_thread *thread, k_thread_stack_t *stack,
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stack_init->a2 = (ulong_t)p2;
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stack_init->a3 = (ulong_t)p3;
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#ifdef CONFIG_RISCV_SOC_INIT_GP_VALUE
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stack_init->gp = __soc_get_gp_initial_value();
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#endif
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#ifdef CONFIG_THREAD_LOCAL_STORAGE
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stack_init->tp = (ulong_t)thread->tls;
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#endif
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@ -186,9 +186,3 @@ int arch_irq_is_enabled(unsigned int irq)
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{
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return (REG_READ(INTERRUPT_CORE0_CPU_INT_ENABLE_REG) & (1 << irq));
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}
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ulong_t __soc_get_gp_initial_value(void)
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{
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extern uint32_t __global_pointer$;
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return (ulong_t)&__global_pointer$;
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}
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@ -41,8 +41,6 @@ extern STATUS esp_rom_uart_tx_one_char(uint8_t chr);
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extern STATUS esp_rom_uart_rx_one_char(uint8_t *chr);
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extern void esp_rom_ets_set_user_start(uint32_t start);
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ulong_t __soc_get_gp_initial_value(void);
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#endif /* _ASMLANGUAGE */
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#endif /* __SOC_H__ */
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