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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38c2a1c35e1sm3314215f8f.82.2025.01.24.09.52.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Jan 2025 09:52:30 -0800 (PST) Message-ID: <32a9172f-367d-4344-ae63-a9d98dfe8d9a@linaro.org> Date: Fri, 24 Jan 2025 18:52:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] hw/hppa: Support up to 256 GiB RAM on 64-bit machines To: deller@kernel.org, qemu-devel@nongnu.org Cc: Helge Deller , Richard Henderson References: <20250122180913.18667-1-deller@kernel.org> <20250122180913.18667-2-deller@kernel.org> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20250122180913.18667-2-deller@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::42c; envelope-from=philmd@linaro.org; helo=mail-wr1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 22/1/25 19:09, deller@kernel.org wrote: > From: Helge Deller > > Allow up to 256 GB RAM, which is the maximum a rp8440 machine (the very > last 64-bit PA-RISC machine) physically supports. > > Signed-off-by: Helge Deller > --- > hw/hppa/hppa_hardware.h | 2 ++ > hw/hppa/machine.c | 26 +++++++++++++++++++------- > 2 files changed, 21 insertions(+), 7 deletions(-) > > diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h > index a9be7bb851..a276240967 100644 > --- a/hw/hppa/hppa_hardware.h > +++ b/hw/hppa/hppa_hardware.h > @@ -49,4 +49,6 @@ > #define CPU_HPA_CR_REG 7 /* store CPU HPA in cr7 (SeaBIOS internal) */ > #define PIM_STORAGE_SIZE 600 /* storage size of pdc_pim_toc_struct (64bit) */ > > +#define RAM_MAP_HIGH 0x0100000000 /* memory above 3.75 GB is mapped here */ Should we use ull suffix? > + > #endif