Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Bhushan Bharat-R65777
, 2013 5:43 PM To: Bhushan Bharat-R65777 Cc: qemu-...@nongnu.org; qemu-devel@nongnu.org; ag...@suse.de; Wood Scott- B07421; Bhushan Bharat-R65777 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 So IIUC we can only allow 63 bits due to signedness

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Alexander Graf
Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 On 10.06.2013, at 19:20, Scott Wood wrote: On 06/10/2013 09:26:18 AM, Alexander Graf wrote: On 06/10/2013 02:47 PM, Bhushan Bharat-R65777 wrote: -Original Message- From: Andreas Färber [mailto:afaer

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Alexander Graf
-...@nongnu.org; qemu- de...@nongnu.org; Wood Scott-B07421 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 On 10.06.2013, at 19:20, Scott Wood wrote: On 06/10/2013 09:26:18 AM, Alexander Graf wrote: On 06/10/2013 02:47 PM, Bhushan Bharat-R65777 wrote

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Bhushan Bharat-R65777
...@nongnu.org; Wood Scott-B07421 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 On 10.06.2013, at 19:20, Scott Wood wrote: On 06/10/2013 09:26:18 AM, Alexander Graf wrote: On 06/10/2013 02:47 PM, Bhushan Bharat-R65777 wrote: -Original

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Bhushan Bharat-R65777
...@nongnu.org Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 On 06/11/2013 01:40 PM, Bhushan Bharat-R65777 wrote: -Original Message- From: Alexander Graf [mailto:ag...@suse.de] Sent: Monday, June 10, 2013 11:40 PM To: Wood Scott-B07421

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-11 Thread Alexander Graf
-...@nongnu.org; qemu- de...@nongnu.org Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 On 06/11/2013 01:40 PM, Bhushan Bharat-R65777 wrote: -Original Message- From: Alexander Graf [mailto:ag...@suse.de] Sent: Monday, June 10, 2013 11:40 PM

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Peter Maydell
On 10 June 2013 08:55, Bharat Bhushan r65...@freescale.com wrote: QEMU timer supports a maximum timer of INT64_MAX. So starting timer only for time which is calculated using target_bit 62 and deactivate/stop timer if the target bit is above 61. Is this really what the hardware does? Or do we

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Bhushan Bharat-R65777
-Original Message- From: Peter Maydell [mailto:peter.mayd...@linaro.org] Sent: Monday, June 10, 2013 2:56 PM To: Bhushan Bharat-R65777 Cc: qemu-...@nongnu.org; qemu-devel@nongnu.org; ag...@suse.de; Wood Scott- B07421; Bhushan Bharat-R65777 Subject: Re: [Qemu-devel] [PATCH v2]booke

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Andreas Färber
Am 10.06.2013 09:55, schrieb Bharat Bhushan: QEMU timer supports a maximum timer of INT64_MAX. So starting timer only for time which is calculated using target_bit 62 and deactivate/stop timer if the target bit is above 61. This patch also fix the time calculation from target_bit. The code

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Bhushan Bharat-R65777
-Original Message- From: Andreas Färber [mailto:afaer...@suse.de] Sent: Monday, June 10, 2013 5:43 PM To: Bhushan Bharat-R65777 Cc: qemu-...@nongnu.org; qemu-devel@nongnu.org; ag...@suse.de; Wood Scott- B07421; Bhushan Bharat-R65777 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Alexander Graf
Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 Am 10.06.2013 09:55, schrieb Bharat Bhushan: QEMU timer supports a maximum timer of INT64_MAX. So starting timer only for time which is calculated using target_bit 62 and deactivate/stop timer if the target

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Scott Wood
...@suse.de; Wood Scott- B07421; Bhushan Bharat-R65777 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 So IIUC we can only allow 63 bits due to signedness, thus a maximum of (1 62), thus target_bit= 61. Any chance at least the comment can be worded

Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61

2013-06-10 Thread Alexander Graf
-...@nongnu.org; qemu-devel@nongnu.org; ag...@suse.de; Wood Scott- B07421; Bhushan Bharat-R65777 Subject: Re: [Qemu-devel] [PATCH v2]booke: timer: Deactivate timer for target_bit above 61 So IIUC we can only allow 63 bits due to signedness, thus a maximum of (1 62), thus target_bit= 61. Any