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Re: [PATCH] target/rx/cpu: Use address_space_ldl() to read reset vector
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From: |
Richard Henderson |
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Subject: |
Re: [PATCH] target/rx/cpu: Use address_space_ldl() to read reset vector address |
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Date: |
Sun, 15 Mar 2020 11:50:55 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 3/15/20 6:48 AM, Philippe Mathieu-Daudé wrote:
> From: Philippe Mathieu-Daudé <address@hidden>
>
> The RX code flash is not a Masked ROM but a EEPROM (electrically
> erasable programmable flash memory).
> When implementing the flash hardware, the rom_ptr() returns NULL
> and the reset vector is not set.
> Instead, use the address_space ld/st API to fetch the reset vector
> address from the code flash.
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> Based-on: <address@hidden>
>
> Same issue might occurs in Cortex-M arm_cpu_reset()
> ---
> target/rx/cpu.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~